| I 90 over Water Blackstone River | 1957 | 130,647 | Fair |
| I 290 over Hwy Seymour St | 1959 | 126,972 | Fair |
| I 290 over Hwy Endicott St | 1959 | 126,870 | Fair |
| I 290 & Ramps over Hwy Prospect St | 1958 | 114,878 | Fair |
| I 90 over Water French River | 1957 | 104,900 | Fair |
| I 290 over ST146 Millbury St | 2007 | 96,092 | Good |
| I 90 over Water Diversion Channel | 1957 | 95,494 | Fair |
| I 290 over Water Kettle Brook | 1965 | 94,134 | Fair |
| I 90 over Water Dark Brook | 1957 | 93,785 | Fair |
| I 90 over Water Quinsigamond River | 1957 | 93,785 | Fair |
| I 90 over Comb I-90rmp-canal-pwrr | 1997 | 91,703 | Fair |
| I 290 over Water Kettle Brook | 1965 | 89,302 | Good |
| I 290 WB over Comb 4 City Sts & CSX | 1958 | 76,700 | Fair |
| I 290 WB over St 70 Lncln St & on Ramp | 1961 | 71,116 | Fair |
| I 495 over Water Sudbury River | 1966 | 69,784 | Good |
| I 290 EB over St 70 Lncln St & on Ramp | 1961 | 69,694 | Fair |
| I 290 EB over Hwy E Central St | 1958 | 65,611 | Poor |
| St 2 over Water N Nashua River | 1951 | 65,083 | Fair |
| I 290 EB over Comb 4 City Sts & CSX | 1958 | 64,769 | Fair |
| I 290 WB over Hwy E Central St | 1958 | 62,637 | Poor |
| I 90 WB over RR Mbta/csx | 1957 | 61,456 | Fair |
| I 90 WB over US 20 Washington St | 1957 | 61,303 | Fair |
| I 90 EB over Hwy Parkerville Rd | 1957 | 57,994 | Good |
| St 2 over RR Bmrr | 1951 | 57,765 | Poor |
| I 90 EB over Hwy Wheelock Ave | 1957 | 55,570 | Fair |
| St 2 over Water Sawmill Pond | 1946 | 55,358 | Poor |
| St 2 over Water Monoosnoc Brook | 1937 | 54,761 | Fair |
| I 495 NB over St 9 Turnpike Rd | 1962 | 54,367 | Fair |
| St 9 Turnpike Rd over Water Assabet River | 1930 | 53,646 | Fair |
| I 90 EB over Hwy Brookfield Rd | 1957 | 53,063 | Fair |
| I 90 EB over Hwy Oxford St | 1957 | 53,063 | Fair |
| ST146 SB Off Ramp over Water Blackstone River | 1998 | 52,912 | Good |
| St 2 over Hwy Depot St | 1951 | 52,262 | Fair |
| I 90 EB over Comb West St & Relief | 1957 | 52,157 | Fair |
| I 495 SB over St 85 Cedar St | 1967 | 52,091 | Fair |
| I 90 WB over Hwy Brookfield Rd | 1957 | 51,836 | Fair |
| I 90 WB over Hwy Oxford St | 1957 | 51,836 | Fair |
| I 495 SB over ST109 Medway Rd | 1968 | 51,812 | Poor |
| I 495 SB over Hwy Flanders Rd | 1966 | 51,588 | Fair |
| I 495 SB over RR Mbta/csx | 1968 | 51,588 | Poor |
| St 2 over Hwy Harvard St | 1951 | 51,467 | Poor |
| I 90 EB over Hwy Woodland Rd | 1957 | 51,120 | Good |
| I 90 EB over St 85 Cordaville Rd | 2021 | 51,120 | Good |
| I 495 NB over St 85 Cedar St | 1967 | 51,016 | Fair |
| I 90 WB over Comb West St & Relief | 1957 | 50,958 | Fair |
| I 90 EB over St 31 City Depot Rd | 1957 | 50,891 | Fair |
| I 90 WB over Hwy Woodland Rd | 1957 | 50,878 | Good |
| I 90 WB over St 85 Cordaville Rd | 2021 | 50,878 | Good |
| I 495 NB over Hwy Haven St | 1967 | 50,507 | Fair |
| I 90 Ex 90 Int 10 over St 12 Southbridge St | 1957 | 50,341 | Good |
| I 290 WB over Hwy Sword St | 1965 | 50,331 | Fair |
| I 290 EB over St 70 Lincoln St | 1967 | 49,604 | Fair |
| I 90 EB over I 290 | 1965 | 49,080 | Fair |
| I 290 EB over Hwy Mckeon Rd | 1966 | 49,028 | Fair |
| I 290 EB over St 12 Hope Ave | 1965 | 48,961 | Fair |
| I 90 WB over St 31 City Depot Rd | 1957 | 48,925 | Fair |
| I 90 EB over Hwy Millbury Ave | 1957 | 48,906 | Fair |
| St 2 over Water Bennetts Brook | 1949 | 48,577 | Fair |
| I 90 WB over Hwy Millbury Ave | 1957 | 48,475 | Fair |
| I 90 WB over Hwy Wheelock Ave | 1957 | 48,475 | Fair |
| ST146 Wor-pvd Tpk over Hwy W Main St | 2020 | 48,300 | Good |
| I 90 over Water Tufts Brook | 1957 | 47,799 | Fair |
| I 290 WB over Hwy Reservoir St | 1968 | 47,712 | Fair |
| I 495 NB over Hwy S Bolton Rd | 1963 | 47,667 | Fair |
| I 495 NB over St 62 Central St | 1963 | 47,667 | Fair |
| I 495 NB over ST109 Medway Rd | 1968 | 47,650 | Fair |
| I 90 WB over Hwy Parkerville Rd | 1957 | 47,606 | Good |
| I 495 NB over Hwy Stow Rd | 1963 | 47,482 | Fair |
| I 90 EB over RR Abandoned Pwrr | 1957 | 47,432 | Fair |
| I 90 EB over Hwy Flanders Rd | 1957 | 47,144 | Good |
| St 9 Bstn-wrcstr over ST140 Grafton St | 1932 | 47,107 | Poor |
| I 290 EB over Hwy Colby Av | 1967 | 47,092 | Fair |
| St 2 over Water Monoosnoc Brook | 1937 | 47,074 | Fair |
| St 9 Bstn-wrcstr over US 20 Southwest Cutoff | 1930 | 46,980 | Fair |
| I 290 EB over Comb Access Rd & Bmrr | 1961 | 46,758 | Fair |
| I 495 NB over Hwy Flanders Rd | 1966 | 46,713 | Fair |
| I 495 NB over RR Mbta/csx | 1968 | 46,713 | Poor |
| St 2 over Water Wyman Brook | 1947 | 46,691 | Poor |
| I 495 SB over Hwy S Bolton Rd | 1963 | 46,600 | Fair |
| I 495 SB over St 62 Central St | 1963 | 46,600 | Fair |
| St 2 over Hwy Tank Rd | 1951 | 46,584 | Fair |
| St 2 over Water Bowers Brook | 1949 | 46,584 | Fair |
| I 290 WB over St 70 Lincoln St | 1967 | 46,267 | Fair |
| I 90 EB over St 56 Leicester St | 1957 | 45,702 | Fair |
| I 90 WB over Hwy Flanders Rd | 1957 | 45,694 | Good |
| I 90 EB over Hwy Adams Rd | 1957 | 45,381 | Fair |
| I 495 SB over Hwy Stow Rd | 1963 | 45,362 | Fair |
| I 90 WB over RR Abandoned Pwrr | 1957 | 45,130 | Fair |
| I 495 NB over RR Bmrr (abandoned) | 1963 | 45,106 | Fair |
| I 495 NB over Other Bike Trail | 1968 | 44,595 | Fair |
| I 290 WB over Comb Sthbrg St & Mdl R | 1966 | 44,468 | Fair |
| I 290 WB over Hwy Mckeon Rd | 1966 | 44,468 | Fair |
| I 290 WB over Hwy Southbridge St | 1966 | 44,468 | Fair |
| I 90 WB over St 56 Leicester St | 1957 | 44,233 | Fair |
| ST146 over Water Cold Spring Brook | 1938 | 44,195 | Fair |
| I 290 WB over Hwy Colby Av | 1967 | 44,117 | Fair |
| I 290 WB over St 12 Hope Ave | 1965 | 43,806 | Fair |
| I 290 EB over Comb Sthbrg St & Mdl R | 1966 | 43,750 | Fair |
| I 290 EB over Hwy Southbridge St | 1966 | 43,750 | Fair |
| I 290 over Water Middle River | 1966 | 43,750 | Fair |
| I 290 WB over Comb Access Rd & Bmrr | 1961 | 43,744 | Fair |
| I 495 SB over St 9 Turnpike Rd | 1964 | 43,734 | Fair |
| I 90 EB over Comb Snow Rd & Gurr | 1957 | 43,661 | Fair |
| I 90 WB over Comb Snow Rd & Gurr | 1957 | 43,661 | Fair |
| I 90 WB over Hwy Bowman St | 1957 | 43,598 | Fair |
| I 495 NB over St 16 E Main St | 1968 | 43,541 | Fair |
| I 90 & WB Ramps over Water Hobbs Brook | 1957 | 43,197 | Fair |
| I 495 SB over ST117 Main St | 1963 | 43,185 | Fair |
| I 495 NB over Hwy Northboro Rd | 1963 | 43,147 | Fair |
| I 290 WB over Hwy W Main St | 1968 | 43,007 | Fair |
| I 290 WB over RR Pwrr | 1966 | 42,976 | Fair |
| I 90 EB over St 12 Southbridge St | 1957 | 42,886 | Poor |
| I 290 WB over Other 146 Ramp & Pwrr | 1966 | 42,881 | Fair |
| I 495 NB over ST117 Main St | 1963 | 42,628 | Fair |
| I 190 over Water Wekepeke Brook | 1978 | 42,337 | Good |
| I 290 EB over Comb Mdc Aqueduct & CSX | 1968 | 42,242 | Fair |
| I 290 EB over Other 146 Ramp & Pwrr | 1966 | 42,189 | Fair |
| I 495 SB over Other Bike Trail | 1968 | 41,829 | Fair |
| I 90 WB over St 12 Southbridge St | 1957 | 41,794 | Poor |
| I 495 NB over Comb Mdc Aqueduct & CSX | 1962 | 41,712 | Fair |
| I 90 EB over St 19 Brimfield Rd | 1957 | 41,638 | Fair |
| I 90 WB over St 19 Brimfield Rd | 1957 | 41,638 | Fair |
| I 290 WB over Hwy N Quinsigamond Ave | 1968 | 41,561 | Fair |
| I 495 SB over Comb Mdc Aqueduct & CSX | 1962 | 41,411 | Fair |
| I 495 SB over St 16 E Main St | 1968 | 41,348 | Fair |
| I 90 EB over Comb Cntrl Mlbry & Pwrr | 1957 | 41,235 | Poor |
| I 290 WB over St 12 Southbridge St | 1965 | 41,165 | Fair |
| I 290 EB over St 12 Southbridge St | 1965 | 40,979 | Fair |
| I 90 WB over Hwy Adams Rd | 1957 | 40,939 | Fair |
| I 90 EB over Hwy Bowman St | 1957 | 40,902 | Fair |
| I 290 WB over Hwy Gulf St | 1967 | 40,892 | Fair |
| I 290 WB over Comb Lk Quinsig&lk Av N | 1969 | 40,891 | Fair |
| I 290 EB over RR Pwrr | 1966 | 40,641 | Fair |
| I 290 EB over Hwy Gulf St | 1967 | 40,203 | Fair |
| I 290 EB over Hwy W Main St | 1968 | 40,110 | Good |
| ST146 over RR Pwrr | 1981 | 40,001 | Fair |
| I 290 EB over Hwy Sword St | 1965 | 39,438 | Fair |
| I 290 EB over Comb Lk Quinsig&lk Av N | 1968 | 39,309 | Fair |
| US 20 Connector over Comb Pwrr & Blkstn Riv | 1996 | 39,293 | Fair |
| I 90 WB over ST122 Worcester St | 1957 | 39,220 | Fair |
| I 290 EB over Hwy Whitney St | 1968 | 39,181 | Fair |
| I 290 WB over Hwy Whitney St | 1968 | 38,819 | Fair |
| I 290 EB over Hwy Water St | 1965 | 38,742 | Fair |
| I 90 over Water Long Pond Inlet | 1957 | 38,585 | Fair |
| I 290 EB over Hwy Church St | 1968 | 38,490 | Fair |
| I 290 WB over Hwy Plantation St | 1967 | 38,485 | Fair |
| I 90 EB over Hwy Deernolm St | 1957 | 38,314 | Fair |
| I 495 SB over Hwy Haven St | 1967 | 38,043 | Fair |
| I 290 EB over Hwy N Quinsigamond Ave | 1968 | 37,886 | Fair |
| I 90 EB over ST122 Worcester St | 1957 | 37,706 | Fair |
| St 9 Turnpike Rd over ST135 Milk St | 1930 | 37,691 | Fair |
| ST146 over Water Singletary Brook | 1936 | 37,631 | Fair |
| I 290 WB over Hwy Church St | 1968 | 37,537 | Fair |
| I 190 over Hwy Agricltrl Undrps | 1979 | 37,374 | Fair |
| I 190 over Hwy Agricltrl Undrps | 1979 | 37,374 | Good |
| I 290 WB over Comb Mdc Aqueduct & CSX | 1968 | 37,304 | Fair |
| I 90 WB over Hwy Deernolm St | 1957 | 36,707 | Fair |
| I 290 WB over Hwy Water St | 1965 | 36,674 | Fair |
| I 190 SB over RR Pwrr | 1962 | 36,505 | Fair |
| I 290 EB over Hwy Plantation St | 1967 | 36,321 | Fair |
| I 495 SB over Hwy Northboro Rd | 1963 | 36,100 | Fair |
| I 190 SB over St 12 NB & Ramp B | 1977 | 35,606 | Fair |
| I 90 EB over RR Mbta/csx | 1957 | 35,483 | Fair |
| Hwy Mccracken Rd over Comb ST146&PWRR&BLKSTN | 1998 | 35,000 | Good |
| Hwy Swanson Rd over I 290 | 1965 | 34,930 | Good |
| I 290 EB over Hwy Auburn St | 1965 | 34,930 | Good |
| I 290 WB over Hwy Auburn St | 1965 | 34,930 | Fair |
| I 290 WB over Hwy Ashmont Ave | 1959 | 34,298 | Good |
| I 90 EB over ST146 | 1997 | 34,144 | Good |
| I 90 WB over ST146 | 1997 | 34,144 | Good |
| I 84 EB over St 15 Mashapaug Rd | 1970 | 33,677 | Fair |
| I 84 WB over US 20 Wb/charlton Rd | 1973 | 33,049 | Fair |
| I 84 WB over US 20 Eb/charlton Rd | 1973 | 33,044 | Fair |
| St 2 WB over Hwy Nashua St | 1975 | 32,888 | Fair |
| St 9 /ST12/PARK over Water Beaver Brook | 1910 | 32,720 | Fair |
| US 20 Southbrge Rd over Water French River | 1956 | 32,520 | Fair |
| I 495 NB over St 30 Main St | 1962 | 32,128 | Fair |
| I 190 SB & ST2 EB over Hwy Nashua St | 1975 | 31,735 | Fair |
| I 84 EB over US 20 Eb/charlton Rd | 1974 | 31,721 | Fair |
| I 190 SB over Hwy Shore Dr | 1976 | 31,485 | Fair |
| I 84 EB over Water Quinebaug River | 1970 | 31,153 | Fair |
| I 84 WB over St 15 Mashapaug Rd | 1970 | 30,938 | Fair |
| I 495 SB over St 30 Main St | 1962 | 30,782 | Fair |
| St 9 Turnpike Rd over St 30 E Main St | 1930 | 30,492 | Fair |
| Hwy Daniel Shays over Water Millers River | 1935 | 30,258 | Fair |
| St 12 N Main St over St 2 | 1949 | 30,091 | Good |
| St 9 Belmont St E over Water Lake Quinsigamond | 2016 | 29,900 | Good |
| I 84 WB over ST131 Main St | 1973 | 29,476 | Fair |
| I 84 EB over ST131 Main St | 1973 | 29,081 | Fair |
| ST146 NB over St 98 Aldrich St | 1984 | 29,065 | Fair |
| I 84 WB over Water Quinebaug River | 1970 | 28,923 | Fair |
| ST146 /ST122A/SB over Water Blackstone River | 1997 | 28,704 | Good |
| ST146 SB over Water Blackstone River | 1997 | 28,704 | Fair |
| I 395 NB over Hwy Federal Hill Rd | 1976 | 28,186 | Fair |
| I 290 Ramp A over I 290 /millbrook/ramp C | 1962 | 28,076 | Fair |
| I 395 NB over Water Wellington Brook | 1976 | 28,031 | Good |
| US 20 Sturbrdge Rd over Water Cady Brook | 1957 | 28,000 | Poor |
| I 90 EB over I 90 Rmps Ex 78 Int 9 | 1957 | 27,839 | Fair |
| ST146 SB over St 16 Douglas St | 1983 | 27,775 | Fair |
| St 9 Belmont St W over Water Lake Quinsigamond | 2015 | 27,700 | Good |
| I 495 SB over RR Bmrr (abandoned) | 1963 | 27,582 | Fair |
| I 190 NB over St 12 SB | 1977 | 27,107 | Fair |
| Hwy Lincoln St over RR Pwrr/bmrr | 1953 | 27,038 | Fair |
| I 395 SB over Water Wellington Brook | 1976 | 26,878 | Good |
| I 190 NB over Water N Nashua River | 1977 | 26,866 | Fair |
| I 190 NB over St 12 NB & Ramp B | 1977 | 26,688 | Fair |
| I 190 SB over Water N Nashua River | 1977 | 26,127 | Fair |
| I 290 EB over Hwy Ashmont Ave | 1959 | 25,849 | Good |
| I 190 SB over ST117 N Main St | 1977 | 25,633 | Fair |
| St 2 WB over Hwy St 2 WB Off Ramp J | 1975 | 25,511 | Fair |
| I 395 NB over Hwy Dana Rd | 1973 | 25,262 | Fair |
| I 395 NB over Hwy Millbury Rd | 1976 | 25,262 | Fair |
| St 2 EB over Water Nashua River | 1953 | 25,151 | Fair |
| I 395 NB over RR Pwrr | 1976 | 25,036 | Fair |
| ST146 SB on Ramp over ST146 | 2005 | 24,939 | Good |
| I 190 NB over RR Pwrr | 1962 | 24,907 | Fair |
| I 84 EB Ext Ramp over Water Hobbs Brook | 1957 | 24,894 | Fair |
| I 190 SB over Hwy Mechanic St | 1977 | 24,800 | Fair |
| US 20 Connector over ST146 | 1996 | 24,616 | Good |
| I 190 NB over Hwy Shore Dr | 1976 | 24,428 | Fair |
| I 395 SB over Hwy Dana Rd | 1973 | 24,313 | Fair |
| I 190 NB over Hwy Flanagan Hill Rd | 1978 | 24,184 | Fair |
| US 20 Hartford Tpk over Water Flint Pond | 2001 | 24,182 | Good |
| US 20 Sturbrdge Rd over Water Little River | 1957 | 24,099 | Fair |
| I 395 SB over Hwy Millbury Rd | 1976 | 23,968 | Fair |
| I 90 WB over I 90 Rmps Ex 78 Int 9 | 1957 | 23,651 | Fair |
| St 2 WB over Water Nashua River | 1953 | 23,614 | Fair |
| I 90 WB over Hwy Clarke Rd | 1957 | 23,602 | Fair |
| St 2 EB over Hwy Bacon St | 1965 | 23,594 | Fair |
| St 2 over Water Otter River | 1969 | 23,526 | Fair |
| I 190 SB over Hwy Malden St | 1975 | 23,512 | Fair |
| I 190 SB over I 190 SB Off Ramp N | 1979 | 23,512 | Fair |
| I 190 SB over Hwy W Boylston Dr | 1977 | 23,489 | Fair |
| St 9 Belmont St over I 290 | 1958 | 23,391 | Good |
| I 90 EB over Hwy Clarke Rd | 1957 | 23,116 | Fair |
| St 2 WB over Hwy Bacon St | 1965 | 22,861 | Fair |
| ST146 SB over Hwy Main St | 1982 | 22,745 | Good |
| I 190 NB over Hwy Malden St | 1975 | 22,712 | Fair |
| I 190 NB over I 190 SB Off Ramp N | 1979 | 22,712 | Fair |
| St 13 Main St over Water N Nashua River | 1872 | 22,603 | Fair |
| I 190 SB over St 12 SB | 1977 | 22,557 | Fair |
| I 190 NB over Hwy W Boylston Dr | 1977 | 22,366 | Fair |
| St 2 WB over ST140 W Main St | 2012 | 22,309 | Good |
| Hwy Oxford St over Water Kettle Brook | 1880 | 22,200 | Poor |
| ST146 SB over Hwy Smith Rd | 1982 | 22,016 | Fair |
| ST146 /ST122A/NB over Water Blackstone River | 1997 | 21,856 | Good |
| ST146 NB over Water Blackstone River | 1997 | 21,856 | Good |
| I 190 SB over Hwy Leominster Conn | 1977 | 21,812 | Fair |
| ST146 NB over Water Blackstone River | 1998 | 21,806 | Good |
| I 90 WB over I 290 | 1965 | 21,797 | Fair |
| ST122 Pleasant St over Water Tatnuk Brook | 1937 | 21,724 | Fair |
| I 190 NB over Water Quinapoxet River | 1979 | 21,322 | Fair |
| I 395 NB over Water Lowes Pond | 1973 | 21,321 | Fair |
| Hwy Frncis Mgrth over ST122 A/madison St | 1958 | 21,187 | Fair |
| ST146 NB over Hwy Smith Rd | 1982 | 21,116 | Fair |
| ST146 SB over Water Blackstone River | 1998 | 21,065 | Good |
| I 190 SB & Off Rmp over Hwy Woodland St | 1979 | 21,017 | Fair |
| ST122 A/vernon St over I 290 | 1959 | 21,000 | Fair |
| ST122 A/main St over RR Pwrr | 1900 | 20,712 | Fair |
| I 90 WB over Hwy Arnold Rd | 1957 | 20,658 | Fair |
| I 395 SB over Water Lowes Pond | 1973 | 20,576 | Poor |
| I 190 NB over RR CSX | 1978 | 20,575 | Fair |
| St 12 Central St over Water Monoosnoc Brook | 1900 | 20,557 | Fair |
| I 190 NB over Hwy Pratt Junction Rd | 1978 | 20,501 | Fair |
| Hwy Brotherton W over Water Ramshorn Brook | 1962 | 20,500 | Fair |
| I 190 NB over St 12 Leominster Rd | 1978 | 20,448 | Fair |
| I 190 NB & on Rmp over Hwy Woodland St | 1979 | 20,399 | Fair |
| I 190 SB over St 12 Leominster Rd | 1978 | 20,320 | Fair |
| I 190 NB over Hwy River St | 1979 | 20,270 | Fair |
| I 395 SB over RR Pwrr | 1976 | 20,227 | Fair |
| US202 /ST2 over St 2 A/state Rd | 1959 | 20,172 | Good |
| ST146 SB over Hwy Lackey Dam Rd | 1983 | 20,057 | Fair |
| I 190 SB over Water Stillwater River | 1979 | 19,853 | Fair |
| ST146 SB over Hwy Mendon Rd | 1982 | 19,851 | Fair |
| I 90 EB over Hwy Arnold Rd | 1957 | 19,822 | Fair |
| Hwy Leomstr Conn over Water N Nashua River | 1977 | 19,749 | Fair |
| I 190 SB & Ramp C over RR CSX | 1978 | 19,688 | Fair |
| US 20 Washngton St over RR Pwrr | 1931 | 19,645 | Fair |
| I 190 NB over ST117 N Main St | 1977 | 19,428 | Fair |
| ST146 SB over Water Mumford River | 1983 | 19,123 | Fair |
| ST146 NB over Hwy Main St | 1950 | 18,954 | Fair |
| ST146 NB over Hwy Lackey Dam Rd | 1950 | 18,950 | Fair |
| I 395 SB over Hwy Federal Hill Rd | 1976 | 18,945 | Fair |
| US 20 Washngton St over Water Worc Dvrsn Channel | 1958 | 18,927 | Fair |
| I 190 SB over Hwy River St | 1979 | 18,780 | Fair |
| I 190 SB over Water Quinapoxet River | 1979 | 18,780 | Fair |
| St 2 EB over Hwy Pearson Blvd SB | 1961 | 18,730 | Fair |
| St 2 EB over St 68 Nb/timpany Blvd | 1961 | 18,730 | Good |
| St 2 EB over St 68 Sb/timpany Blvd | 1961 | 18,730 | Good |
| St 2 WB over Hwy Pearson Blvd SB | 1961 | 18,730 | Fair |
| St 2 WB over St 68 Nb/timpany Blvd | 1961 | 18,730 | Good |
| St 2 WB over St 68 Sb/timpany Blvd | 1961 | 18,730 | Good |
| St 2 EB over ST140 W Main St | 2013 | 18,681 | Good |
| I 190 SB over Hwy Flanagan Hill Rd | 1978 | 18,369 | Good |
| ST122 Grafton St over US 20 SW Cut Off | 1931 | 18,356 | Poor |
| I 190 SB over Hwy Pratt Junction Rd | 1978 | 18,340 | Good |
| I 395 NB over St 16 Gore Rd | 1969 | 17,860 | Good |
| I 190 SB over Hwy Greenland Rd | 1979 | 17,787 | Fair |
| I 190 SB over Hwy Rowley Hill Rd | 1980 | 17,787 | Fair |
| I 190 NB over Hwy Greenland Rd | 1979 | 17,773 | Fair |
| I 190 NB over Hwy Rowley Hill Rd | 1980 | 17,773 | Fair |
| I 190 NB over Water Stillwater River | 1979 | 17,773 | Fair |
| I 395 SB over St 16 Gore Rd | 1969 | 17,194 | Good |
| I 190 NB over St 62 Princeton Rd | 1980 | 17,155 | Fair |
| I 190 NB over Hwy Prospect St | 1979 | 17,114 | Fair |
| ST146 SB over Comb Choclg Rd&emrsn Bk | 1984 | 16,960 | Fair |
| Hwy Mckeon Rd over Comb Blkstne Riv / Bkwy | 2005 | 16,902 | Fair |
| Hwy Mckeon Rd over ST146 /ST122A & NB on Rp | 2005 | 16,902 | Good |
| ST146 NB Off Ramp over Other Bikeway | 2006 | 16,858 | Good |
| ST117 Main St over Water Still River | 1937 | 16,803 | Poor |
| ST146 NB & Ramp C over Comb Choclg Rd&emrsn Bk | 1984 | 16,744 | Fair |
| I 190 NB over I 190 Ramp L (SB On) | 1979 | 16,740 | Fair |
| St 2 A/water St over Comb Boulder Dr & Bmrr | 1900 | 16,708 | Poor |
| I 190 NB over Hwy Dana Hill Rd | 1979 | 16,694 | Good |
| St 12 Spring St over Water Millers River | 1927 | 16,680 | Fair |
| ST146 NB over St 16 Douglas St | 1950 | 16,652 | Fair |
| ST146 NB over Water Mumford River | 2022 | 16,652 | Good |
| I 190 SB over Hwy Dana Hill Rd | 1979 | 16,555 | Good |
| I 90 Int 90 Ramps over I 90 | 1957 | 16,513 | Fair |
| St 2 WB over US202 /ST2 A | 1969 | 16,422 | Fair |
| St 2 A/lnenbrg St over Water Baker Brook | 1954 | 16,255 | Poor |
| ST117 Seven Brg Rd over Water Nashua River | 1927 | 16,182 | Fair |
| ST146 NB over ST146 A/quaker Hwy | 1984 | 15,941 | Good |
| ST146 NB over Hwy Mendon Rd | 1950 | 15,800 | Fair |
| ST146 SB over Hwy Elmwood Ave | 1984 | 15,752 | Fair |
| I 190 SB over St 62 Princeton Rd | 1980 | 15,728 | Fair |
| Hwy W Main St over Water Lake Quinsigamond | 1939 | 15,666 | Fair |
| Hwy Charlton St over Water French River | 1880 | 15,646 | Fair |
| I 190 SB over Hwy John Dee Rd | 1979 | 15,480 | Fair |
| I 190 NB over Hwy Leominster Conn | 1977 | 15,405 | Fair |
| I 190 NB over St 2 EB | 1975 | 15,405 | Fair |
| ST140 N Main St over Water Quinsigamond River | 1850 | 15,384 | Fair |
| St 9 W Main St over Water Seven Mile River | 1911 | 15,292 | Fair |
| I 290 EB on Ramp over I 395 SB | 1965 | 15,239 | Fair |
| ST140 Boylston St over I 290 | 1967 | 15,092 | Good |
| I 190 NB over Hwy John Dee Rd | 1979 | 15,077 | Fair |
| ST122 /ST140/WCSTR over Water Quinsigamond River | 1905 | 15,053 | Fair |
| St 2 EB over US202 /ST2 A | 1969 | 15,000 | Fair |
| Hwy Church St over RR Pwrr | 1900 | 14,986 | Good |
| I 190 NB over Hwy Mechanic St | 1976 | 14,985 | Fair |
| St 2 over Water Lake Ellis | 1954 | 14,910 | Fair |
| ST146 NB over Hwy Elmwood Ave | 1984 | 14,833 | Fair |
| Hwy Central St over Other Blackstone Canal | 2006 | 14,800 | Good |
| Hwy Central St over Water Blackstone River | 2006 | 14,740 | Good |
| ST131 Main St over Water Hobbs Brook | 1960 | 14,644 | Good |
| Hwy Grove St over Water Salisbury Pnd Otlt | 1953 | 14,614 | Fair |
| ST146 SB over ST146 A/quaker Hwy | 1984 | 14,523 | Good |
| I 190 Ramp A over St 12 NB | 1977 | 14,511 | Fair |
| ST110 /ST111/AYER over Water Bowers Brook | 1925 | 14,439 | Fair |
| US202 Elm St over Water Otter River | 1999 | 14,400 | Fair |
| I 395 NB over Hwy Memorial Beach Rd | 1969 | 14,387 | Fair |
| Hwy Merriam Ave over St 2 | 1947 | 14,119 | Good |
| US202 River St over Water Millers River | 1932 | 14,094 | Fair |
| ST131 Main St over Water Quinebaug River | 1910 | 13,925 | Good |
| Hwy James St over RR CSX | 2010 | 13,910 | Good |
| I 395 SB over Hwy Memorial Beach Rd | 1969 | 13,884 | Fair |
| ST146 SB over St 98 Aldrich St | 1984 | 13,844 | Fair |
| Hwy W Mountn St over RR Bmrr | 1985 | 13,836 | Fair |
| ST122 A/main St over Water Asnebumskit Brook | 1948 | 13,591 | Fair |
| St 2 EB over Hwy St 2 WB Off Ramp J | 1975 | 13,470 | Fair |
| ST110 /ST111/AYER over St 2 | 1950 | 13,458 | Fair |
| Hwy Auburn St over Water Dunn Brook | 1960 | 13,406 | Fair |
| St 12 Water St over Water N Nashua River | 1937 | 13,348 | Poor |
| I 290 Ramp C over I 290 & Millbrook St | 1962 | 13,309 | Fair |
| Hwy Boston Rd over Water Cold Spring Brook | 1970 | 13,300 | Fair |
| I 190 SB over I 190 Ramp L (SB On) | 1979 | 13,214 | Fair |
| ST131 Sndrsdale Rd over Water Sandersdale Canal | 1900 | 13,189 | Fair |
| Hwy W Mountn St over I 190 | 1975 | 13,132 | Fair |
| I 190 SB over Hwy Prospect St | 1979 | 13,071 | Fair |
| Hwy NE Cutoff over Water Poor Farm Brook | 1960 | 13,017 | Fair |
| St 2 A/ST101 over St 2 EB | 1969 | 13,000 | Fair |
| St 2 A/ST101 over St 2 WB | 1969 | 13,000 | Fair |
| St 16 Mendon St over Water Mumford River | 1900 | 12,888 | Good |
| Hwy Cambridge St over RR CSX | 1935 | 12,875 | Fair |
| Hwy Plantatn St over RR Mbta/csx | 1934 | 12,839 | Good |
| Hwy Glenallen St over Water Millers River | 1939 | 12,802 | Fair |
| I 90 Ex 94 Int 10 over I 90 | 1997 | 12,748 | Fair |
| ST117 N Main St over Water N Nashua River | 2001 | 12,689 | Good |
| St 12 Main St over Water French River | 1868 | 12,630 | Fair |
| Hwy Church St over Water Blackstone River | 1924 | 12,200 | Fair |
| St 2 EB over Hwy Pearson Blvd NB | 1961 | 12,200 | Fair |
| Hwy Southbrdg St over Water Middle River | 1956 | 12,180 | Fair |
| Hwy Bemis Rd over Water N Nashua River | 1992 | 11,967 | Good |
| Hwy Cambridge St over RR Pwrr | 1935 | 11,895 | Fair |
| St 2 EB over Hwy Airport Rd | 1969 | 11,872 | Poor |
| St 2 EB over St 2 A/w Broadway | 1969 | 11,872 | Fair |
| US 20 WB over Comb ST146&PWRR&BLKSTN | 2005 | 11,870 | Fair |
| Hwy Daniel Shays over Water Lake Rohnta Outlet | 1955 | 11,800 | Fair |
| St 31 Westmnstr Rd over Water Phillips Brook | 1947 | 11,800 | Fair |
| St 85 Crdville Rd over St 9 Turnpike Rd | 1930 | 11,800 | Fair |
| St 2 over Water Lake Rohunta | 1955 | 11,683 | Good |
| St 2 EB over RR Pwrr | 1961 | 11,662 | Poor |
| Hwy Webster St over Water Leesville Pd Otlt | 1935 | 11,567 | Fair |
| US 20 EB over Comb ST146&PWRR&BLKSTN | 2005 | 11,554 | Fair |
| ST169 Southbrdg Rd over Water Cady Brook | 1947 | 11,529 | Fair |
| St 2 WB over Hwy Pearson Blvd NB | 1961 | 11,527 | Fair |
| St 31 Reservoir St over RR Pwrr | 1983 | 11,497 | Poor |
| Hwy Main&curtis over Water Beaver Brook | 1958 | 11,455 | Fair |
| ST140 over RR Bmrr | 1980 | 11,416 | Fair |
| St 12 W Boylstn St over RR Bmrr | 1927 | 11,407 | Fair |
| Hwy Millbrook St over I 190 SB | 1962 | 11,274 | Fair |
| ST169 Southbrdg Rd over Water Ashworth Brook | 1947 | 11,270 | Fair |
| ST169 Southbrdg Rd over Water Cady Brook | 1948 | 11,270 | Fair |
| Hwy Mechanic St over Water Monoosnoc Brook | 1873 | 11,250 | Fair |
| St 9 W Main St over Water Wickaboag Lk Otlt | 1959 | 11,250 | Fair |
| ST135 Milk St over RR Mbta/csx | 1900 | 11,236 | Fair |
| I 90 WB over Comb Cntrl Mlbry & Pwrr | 1957 | 11,216 | Fair |
| I 90 EB over ST148 Brookfield Rd | 1957 | 11,213 | Fair |
| St 2 WB over Hwy Airport Rd | 1969 | 11,213 | Fair |
| St 2 WB over St 2 A/w Broadway | 1969 | 11,213 | Fair |
| I 395 NB over ST193 Thompson Rd | 1969 | 11,206 | Fair |
| St 2 WB over St 2 A/patriots Rd | 1969 | 11,196 | Fair |
| Hwy Burncoat St over I 290 | 1962 | 11,193 | Fair |
| ST122 N Main St over Water Mumford River | 1952 | 11,191 | Fair |
| I 395 SB over ST193 Thompson Rd | 1969 | 11,187 | Fair |
| St 30 Boston Rd over Water Sudbury Reservoir | 1895 | 11,137 | Fair |
| St 2 WB over RR Pwrr | 1961 | 11,015 | Fair |
| Hwy J Fitch Hwy over Water Fallulah Brook | 1964 | 10,997 | Fair |
| Hwy J Fitch Hwy over Water Fallulah Brook | 1964 | 10,997 | Good |
| Hwy Dilla St over Water Louisa Lake Otlt | 1980 | 10,991 | Fair |
| Hwy West St over Water Monoosnoc River | 1936 | 10,989 | Fair |
| St 12 Webster St over Water Middle River | 2013 | 10,908 | Good |
| US 20 Main St over Water Wachusett Aqueduct | 1931 | 10,825 | Fair |
| I 190 Ramps G & E over Hwy Mechanic St | 1977 | 10,746 | Fair |
| Hwy June St over Water Tatnuck Brook | 1905 | 10,600 | Poor |
| St 12 /ST140/WRSTR over Water Wachusett Reservr | 1904 | 10,570 | Good |
| Hwy Frontage Rd over I 190 | 1975 | 10,500 | Fair |
| St 9 E Main St over Water Coys Brook | 1901 | 10,500 | Fair |
| St 2 A/main St over RR Gwrr | 1938 | 10,400 | Poor |
| St 16 Mendon St over Water Rock Meadow Brook | 1949 | 10,391 | Fair |
| St 13 Main St over St 2 | 1949 | 10,359 | Fair |
| ST140 Memorial Dr over US 20 Hartford Tnpk | 1966 | 10,331 | Fair |
| St 12 Sobrdge St over RR Pwrr | 1934 | 10,298 | Fair |
| I 90 WB over ST148 Brookfield Rd | 1957 | 10,210 | Fair |
| US 20 Wb/chrltn Rd over I 84 EB | 1974 | 10,186 | Fair |
| St 16 Mendon St over Water Blackstone River | 1954 | 10,157 | Poor |
| St 16 Mendon St over Water West River | 1912 | 10,157 | Fair |
| US 20 Eb/wshngtn over I 395 | 1965 | 10,144 | Poor |
| ST140 Main St over Water Warren Brook | 1928 | 10,105 | Fair |
| Hwy Mckeon Rd over Water Middle River | 1924 | 10,100 | Fair |
| Hwy Hartford Ave over Water Mill River | 1991 | 10,050 | Good |
| US 20 Wb/wshngtn over I 395 | 1965 | 10,027 | Poor |
| ST140 Shrewsbry St over RR Mbta/csx | 1936 | 9,969 | Fair |
| I 190 NB over ST140 Redemption Rock Tr | 1979 | 9,953 | Fair |
| Hwy Daniels St over Water N Nashua River | 1906 | 9,922 | Fair |
| I 90 EB over US 20 Washington St | 1957 | 9,912 | Fair |
| St 2 A/state Rd E over St 2 | 1965 | 9,797 | Fair |
| St 31 River St over Water N Nashua River | 1900 | 9,756 | Fair |
| Hwy Hamilton St over St 2 | 1949 | 9,744 | Good |
| Hwy Pond St over Water Monoosnoc Brook | 1900 | 9,700 | Poor |
| Hwy John T Centr over Comb Bmrr & N Nashua Ri | 2002 | 9,650 | Fair |
| Hwy Goldsbry St over RR P&w/b&m/tnl | 1953 | 9,619 | Fair |
| Hwy Franklin Ave over Hwy CSX Access Road | 2013 | 9,613 | Good |
| Hwy Hamilton St over Water N Nashua River | 1955 | 9,534 | Fair |
| St 12 Sthbridge St over Water Dunns Pond Outlet | 1957 | 9,506 | Fair |
| ST122 Main St over Water Blackstone Canal | 1913 | 9,440 | Fair |
| St 2 EB over St 2 A/patriots Rd | 1969 | 9,381 | Fair |
| St 2 over Hwy S Athol Rd | 1954 | 9,372 | Good |
| St 2 over Hwy White Pond Rd | 1954 | 9,372 | Good |
| Hwy Nashua St over Water N Nashua River | 1977 | 9,320 | Fair |
| US202 Glenallan St over Water N Br Millers River | 2008 | 9,310 | Good |
| Hwy W River Rd over Water North Brook | 1956 | 9,211 | Fair |
| Hwy W Hartfrd Av over ST146 SB | 1983 | 9,200 | Fair |
| Hwy Lackey Dam R over Water Mumford River | 1982 | 9,170 | Fair |
| I 290 Shwby St Ofr over Hwy Mbta Pkng Accss | 1960 | 9,146 | Fair |
| ST135 South St over Water Assabet River | 1947 | 9,124 | Fair |
| St 12 Spring St over Water Millers River | 2001 | 9,107 | Good |
| St 31 River St over Water N Nashua River | 1947 | 9,104 | Good |
| St 9 Belmont St over Hwy Goldsberry St | 1953 | 9,064 | Fair |
| ST122 Provdence Rd over RR Pwrr | 1960 | 9,031 | Fair |
| Hwy Airport Rd over Water N Nashua River | 1910 | 8,858 | Fair |
| Hwy Jackson Rd over Water Nashua River | 1942 | 8,836 | Fair |
| Hwy Lmntr Shrly over RR Mbta/bmrr | 2007 | 8,826 | Good |
| St 67 /ST19/QUABOA over RR CSX | 1959 | 8,800 | Good |
| St 49 Podunk Rd over I 90 | 1957 | 8,790 | Fair |
| St 2 A/s Main St over Water West Brook | 1930 | 8,704 | Poor |
| I 290 Grftn St Onr over Hwy Keese St | 1960 | 8,690 | Fair |
| St 32 Chesnt Hl Av over Water Millers River | 1850 | 8,663 | Fair |
| Hwy Rollstone St over RR Bmrr | 1977 | 8,600 | Poor |
| I 290 Ramp Dx over I 290 Rp Dh & Millbrk St | 1982 | 8,560 | Fair |
| Hwy St Paul St over Water Canal | 1880 | 8,453 | Fair |
| Hwy Harvard St over RR Mbta/bmrr | 1984 | 8,300 | Good |
| ST146 A/quaker Hwy over Water Bacon Brook | 1931 | 8,300 | Fair |
| St 2 A/s Main St over Water Millers River | 2010 | 8,300 | Good |
| St 68 Timpany Blvd over Water Baker Brook | 1968 | 8,248 | Fair |
| Hwy Elm St over Comb Blkstne Riv & Pwrr | 1982 | 8,224 | Fair |
| US 20 Main St over Water Long Pond | 1958 | 8,217 | Fair |
| St 70 Lunenburg Rd over St 2 | 1951 | 8,197 | Fair |
| Hwy Lindell Ave over Water Monoosnoc River | 1936 | 8,174 | Fair |
| Hwy North St over Water Mumford River | 1869 | 8,166 | Fair |
| ST140 Rdmptn Rck T over Water Stillwater River | 2003 | 8,152 | Good |
| St 9 Post Rd over Water Dunn Brook | 2002 | 8,000 | Good |
| ST122 Provdence Rd over RR Pwrr | 1941 | 7,969 | Fair |
| Hwy Water St over Water Nashua River | 2010 | 7,877 | Good |
| Hwy May St over Water Beaver Brk/sewer | 1908 | 7,831 | Fair |
| ST131 Sthbrdge St over Water Quinebaug River | 1938 | 7,817 | Poor |
| St 85 Marlboro Rd over RR CSX | 1994 | 7,800 | Good |
| Hwy Central Tnpk over ST146 | 1982 | 7,779 | Fair |
| Hwy St Paul St over Water Blackstone River | 1958 | 7,772 | Fair |
| Hwy Mill St over Water Tatnuck Brook | 1992 | 7,714 | Fair |