| Interstate-84 over Cider Mill Road | 1954 | 71,600 | Fair |
| Interstate-84 over Skungamaug River | 1954 | 64,200 | Fair |
| Interstate-84 over New England Central RR | 1953 | 58,100 | Fair |
| Interstate-84 over Willimantic River | 1953 | 58,100 | Fair |
| I-84 EB & Ramp 061 over Hockanum River | 1981 | 54,800 | Fair |
| Interstate-84 over Roaring Brook | 1940 | 54,200 | Fair |
| Interstate-84 EB over Route 30 & 83 (overlap) | 1982 | 53,600 | Fair |
| I-84 WB & Ramps over Hockanum River | 1982 | 53,300 | Fair |
| Interstate-84 over Roaring Brook | 1955 | 50,400 | Fair |
| Interstate-84 over Route 32 River Road | 1940 | 47,700 | Fair |
| Interstate-84 WB over Route 30 & 83 (overlap) | 1982 | 46,600 | Fair |
| Interstate-84 WB over Rails to Trails Pathway | 2009 | 46,300 | Good |
| Interstate-84 EB over Rails to Trails Pathway | 2009 | 46,100 | Good |
| US Route 6 over Abandoned Railroad | 1951 | 35,400 | Fair |
| Interstate-84 EB over Route 31 | 1978 | 33,500 | Good |
| Interstate-84 WB over Route 31 | 1978 | 33,000 | Fair |
| I-84 & I-84 Ramp 2 over Mashapaug Pond | 1940 | 23,800 | Fair |
| Route 83 over Ogden Brook | 1974 | 20,900 | Fair |
| US Route 6 over Blackmans Brook | 2000 | 18,900 | Fair |
| Route 30 & 83 over Tankerhoosen River | 1932 | 18,600 | Fair |
| US Route 6 over Hop River State Pk Trail | 2000 | 17,100 | Good |
| US 6 & Ramp SR 633 over Sawmill Brook | 1973 | 17,000 | Good |
| US Route 44 over Bolton Pond Brook | 1989 | 16,700 | Good |
| Route 195 over Interstate 84 | 1956 | 15,900 | Poor |
| I-84 Ramp #253 over Interstate-84 | 1982 | 13,203 | Fair |
| Route 83 & 74 over Hockanum River | 1993 | 12,600 | Good |
| Route 190 over Scantic River | 1968 | 12,200 | Fair |
| Route 195 over New England Central RR | 1959 | 11,600 | Fair |
| Route 195 over Willimantic River | 1959 | 11,600 | Fair |
| US Route 6 WB over US Route 44 Eastbound | 1952 | 9,750 | Fair |
| Route 195 over Skungamaug River | 2017 | 9,400 | Good |
| Route 190 over Furnace Brook | 1963 | 9,200 | Fair |
| Route 66 over Fawn Brook | 1927 | 9,200 | Fair |
| U.S. Route 6 EB over Willimantic River | 1971 | 8,950 | Fair |
| US Route 6 EB over Hop River | 1971 | 8,950 | Fair |
| US Route 6 WB over Hop River | 1971 | 8,950 | Fair |
| US Route 6 WB over Willimantic River | 1971 | 8,950 | Fair |
| U.S. Route 6 WB over Natchaug River | 1972 | 8,800 | Fair |
| Route 31 over Skungamaug River | 1923 | 8,700 | Fair |
| Route 195 over US Route 6 | 1973 | 8,600 | Fair |
| Route 74 over Willimantic River | 2017 | 8,600 | Good |
| Route 32 over Roaring Brook | 1939 | 8,400 | Fair |
| Route 195 over Saw Mill Brook | 1973 | 8,300 | Good |
| U.S. Route 44 over Skungamaug River | 1928 | 8,300 | Fair |
| US Route 6 EB over Natchaug River | 1973 | 8,300 | Fair |
| Route 140 over Broad Brook | 1930 | 8,200 | Good |
| Route 32 over Willimantic River | 1954 | 8,100 | Fair |
| Route 83 over Kimballs Brook | 1927 | 7,700 | Good |
| US Route 44 over Willimantic River | 1930 | 7,700 | Fair |
| I-84 EB Off Ramp over Route 30 (hartford Tpke) | 1981 | 7,600 | Good |
| I-84 Ramp 266 over Skungamaug River | 1978 | 7,400 | Good |
| I-84 Ramp 266 over Skungamaug River | 1978 | 7,400 | Fair |
| Route 190 over Edson Brook | 1950 | 7,400 | Good |
| Route 190 over Middle River | 1936 | 7,400 | Good |
| SR 527 over Hockanum River | 1990 | 7,200 | Fair |
| U.S. Route 6 WB over Hop River Trail | 1971 | 7,200 | Good |
| US Route 6 WB over Flanders River Road | 1971 | 7,200 | Fair |
| Route 32 over New England Central RR | 1954 | 7,100 | Fair |
| Route 74 over Hockanum River | 2016 | 7,000 | Good |
| US Route 6 EB over Abandoned Railroad | 1971 | 6,900 | Fair |
| US Route 6 EB over Flanders River Road | 1971 | 6,900 | Fair |
| Route 66 over Willimantic River | 1937 | 6,400 | Fair |
| Route 66 over Jeremys River | 1967 | 6,300 | Good |
| U.S. Route 6 WB over Mansfield City Road | 1972 | 6,200 | Fair |
| Route 85 over Raymond Brook | 1987 | 6,000 | Fair |
| Route 85 over Interstate-384 | 1968 | 5,800 | Fair |
| U.S. Route 6 EB over Mansfield City Road | 1972 | 5,800 | Fair |
| Dobson Road over Interstate-84 & Ramp 016 | 1981 | 5,356 | Fair |
| Dobson Road over Dobsonville Pond | 1986 | 5,200 | Good |
| Maple Street over Scantic River | 1880 | 5,200 | Fair |
| SR 533 (tunnel Rd) over Tankerhoosen River | 1989 | 5,100 | Good |
| SR 632 over Sawmill Brook | 1973 | 5,000 | Good |
| SR 533 (tunnel Rd) over Interstate-84 | 1978 | 4,900 | Fair |
| Route 31 over Mill Brook | 1870 | 4,800 | Fair |
| Dart Hill Road over Hockanum River | 2023 | 4,700 | Good |
| Route 319 over Middle River | 1983 | 4,700 | Fair |
| US Route 44 over Fenton River | 1929 | 4,700 | Fair |
| US Route 6 & 44 EB over Interstate 384 | 1968 | 4,700 | Fair |
| Route 31 over Hockanum River | 1995 | 4,600 | Fair |
| Route 31 over New England Central RR | 1947 | 4,600 | Poor |
| Route 31 over Willimantic River | 1947 | 4,600 | Fair |
| Route 32 over Middle River | 1952 | 4,600 | Fair |
| Hunting Lodge Road over Cedar Swamp Brook | 1990 | 4,500 | Good |
| Route 320 (ruby Rd over Interstate-84 | 1978 | 4,200 | Fair |
| Route 74 over Interstate 84 | 1952 | 4,200 | Fair |
| Route 83 over Gulf Stream | 1957 | 4,200 | Fair |
| SR 541-bolton Road over Interstate-84 | 1978 | 4,200 | Fair |
| Route 83 over Thresher Brook | 1957 | 4,100 | Good |
| Route 74 over Fenton River | 1933 | 4,000 | Good |
| Discovery Drive over Salamander Brook | 2015 | 3,800 | Good |
| Discovery Drive over Wetlands | 2015 | 3,800 | Good |
| Ninth District Roa over Gulf Stream | 2014 | 3,800 | Good |
| Route 30 over Crystal Lake Brook | 1988 | 3,800 | Good |
| Jobs Hill Road over Broad Brook | 1986 | 3,500 | Fair |
| Kelly Road over Hockanum River | 1981 | 3,500 | Fair |
| Route 83 over Avery Brook | 1957 | 3,400 | Good |
| Lower Butcher Road over Hockanum River | 2003 | 3,300 | Good |
| Vernon Avenue over Hockanum River | 1925 | 3,208 | Fair |
| Route 19 over Furnace Brook | 1957 | 3,000 | Fair |
| Route 207 over Mint Brook | 1945 | 3,000 | Fair |
| Route 207 over Raymond Brook | 1940 | 3,000 | Fair |
| Route 83 over Scantic River | 1927 | 2,900 | Fair |
| Route 89 over Fenton River | 1953 | 2,900 | Fair |
| Phoenix Street over Tankerhoosen River | 2012 | 2,800 | Good |
| Route 319 over Furnace Brook | 1929 | 2,800 | Fair |
| Bassetts Bridge Rd over Naubesatuck Lake | 1950 | 2,700 | Poor |
| Old Cathole Road over Interstate 84 | 1978 | 2,600 | Fair |
| Route 190 over Roaring Brook | 1925 | 2,500 | Fair |
| Bamforth Road over Interstate-84 | 1978 | 2,360 | Poor |
| Route 190 over Interstate-84 | 1955 | 2,300 | Fair |
| Route 74 over Skungamaug River | 2024 | 2,300 | Good |
| Route 74 over Hockanum River | 1938 | 2,200 | Fair |
| Route 19 over Furnace Brook | 1952 | 2,000 | Fair |
| Route 140 over Middle River | 1935 | 1,900 | Fair |
| Windermere Avenue over Hockanum River | 2009 | 1,900 | Good |
| I-84 WB Off Ramp over I-84 WB Ramp From 30/83 | 1982 | 1,800 | Good |
| Route 171 over Interstate-84 | 1954 | 1,800 | Fair |
| Route 275 over Willimantic River | 1900 | 1,800 | Fair |
| Route 171 over Hamilton Reservoir Brook | 1954 | 1,700 | Good |
| Route 74 over Grapevine Brook | 2011 | 1,700 | Good |
| Windsor Avenue over Hockanum River | 1900 | 1,655 | Fair |
| West Street over Middle River | 1956 | 1,600 | Fair |
| Gurleyville Road over Fenton River | 1970 | 1,550 | Fair |
| Bolton Road over Tankerhoosen River | 2007 | 1,500 | Good |
| South Street over Hop River | 1900 | 1,500 | Good |
| Spring Street over Hockanum River | 2010 | 1,489 | Good |
| Route 140 over Aborn Brook | 1988 | 1,400 | Fair |
| Four Bridges Road over Scantic River | 1956 | 1,300 | Fair |
| North River Road over Skungamaug River | 1974 | 1,300 | Fair |
| River Street over Hockanum River | 2010 | 1,286 | Good |
| Notch Road over Dep Trail Abandoned RR | 1951 | 1,254 | Fair |
| Gurleyville Road over Stream | 1980 | 1,200 | Good |
| Leonard Road over Furnace Brook | 2022 | 1,200 | Good |
| Potter School Road over Interstate 84 | 1960 | 1,185 | Fair |
| Pleasant View Driv over Hockanum River | 2018 | 1,104 | Good |
| Route 89 over Interstate 84 | 1958 | 930 | Poor |
| Hatheway Road over Broad Brook | 1986 | 917 | Good |
| Spring Street over Middle River | 1912 | 914 | Fair |
| Broad Brook Road over Broad Brook | 1940 | 902 | Fair |
| Mount Hope Road over Mount Hope River | 1998 | 850 | Good |
| South Street over Skungamaug River | 1997 | 850 | Good |
| Village Hill Road over Roaring Brook | 2003 | 806 | Good |
| Flanders Road over Willimantic River | 1914 | 800 | Poor |
| Mansfield Avenue over U.S. Route 6 Eastbound | 1971 | 800 | Good |
| Mansfield Avenue over US Route 6 Westbound | 1971 | 800 | Good |
| Hendee Road over Hop River | 1984 | 772 | Fair |
| Flanders River Rd over Hop River | 1910 | 769 | Fair |
| South River Road over Skungamaug River | 1973 | 739 | Fair |
| Brooklyn Street over Hockanum River | 1988 | 733 | Good |
| Merrow Road over Willimantic River | 1956 | 700 | Fair |
| West Main Street over Hockanum River | 2014 | 697 | Good |
| Chaffeeville Road over Fenton River | 1950 | 682 | Fair |
| King Road over Scantic River | 1949 | 654 | Fair |
| Hydeville Road over Furnace Brook | 1935 | 644 | Poor |
| South River Rd #2 over Willimantic River | 1950 | 629 | Fair |
| Lohse Road over Roaring Brook | 1958 | 608 | Fair |
| Colburn Road over Furnace Brook | 1961 | 607 | Fair |
| Center Street over Middle River | 1870 | 600 | Fair |
| Mountain Spring Rd over Interstate-84 | 1979 | 540 | Fair |
| Gerber Drive over Gages Brook | 1980 | 535 | Poor |
| Industrial Park Ro over Gages Brook | 1980 | 535 | Poor |
| Winwood Circle over Wrights Brook | 1970 | 535 | Poor |
| Depot Road over Willimantic River | 1900 | 527 | Fair |
| Marjorie Circle over Jeremy River | 2017 | 525 | Good |
| Old Colchester Rd over Raymond Brook | 1956 | 504 | Poor |
| Village Hill Road over Ten Mile River | 1870 | 500 | Fair |
| Depot Road over Mill Brook | 1996 | 491 | Good |
| Parker Bridge Road over Hop River | 2008 | 475 | Good |
| Woodbridge Road over Skungamung River | 1986 | 451 | Good |
| New City Road over New City Brook | 2008 | 450 | Good |
| Atwoodville Road over Mount Hope River | 1950 | 430 | Poor |
| Pucker Street over Hop River | 2015 | 424 | Good |
| Long Hill Road over Hop River | 1934 | 401 | Poor |
| Cooper Lane over Edson Brook | 1940 | 385 | Fair |
| Pinney School Road over Furnace Brook | 1957 | 372 | Fair |
| Bunker Hill Road over Hop River | 1960 | 340 | Poor |
| Browns Bridge Road over Charter Brook | 1960 | 330 | Fair |
| Hockanum Boulevard over Hockanum River | 2000 | 324 | Fair |
| Durkee Road over Scantic River | 1973 | 303 | Good |
| Hop River Road over Hop River | 2024 | 270 | Good |
| Polster Road over Roaring Brook | 1950 | 252 | Good |
| Kibbe Grove Road over Scantic River | 1939 | 250 | Fair |
| Brewster Street over Ash Brook | 1973 | 245 | Good |
| Shenipsit Lake Rd over Charter Brook | 1991 | 210 | Good |
| SR 620 over Mashapaug Pond | 1953 | 200 | Fair |
| Grayville Road 1 over Raymond Brook | 1979 | 198 | Good |
| Baker Hill Road over Ten Mile River | 1900 | 180 | Good |
| Times Farm Road over Hop River | 1935 | 169 | Good |
| Daleville Schl Rd over Fenton River | 1940 | 152 | Fair |
| Folly Lane over Skungamaug River | 2020 | 137 | Good |
| Bridge Street over Broad Brook | 1970 | 135 | Fair |
| Stonemill Road #1 over Fenton River | 2012 | 130 | Good |
| Juniper Lane over Mount Hope River | 1920 | 129 | Fair |
| Pine Road over Crystal Lake Brook | 1999 | 124 | Good |
| Brigham Road over Willimantic River | 1956 | 108 | Fair |
| Strawberry Road over Abbey Brook | 2023 | 108 | Fair |
| Mason Lane over Stream | 2008 | 106 | Fair |
| Industrial Park Ro over Gages Brook | 1980 | 105 | Poor |
| Whispering Pines R over Stream | 1975 | 87 | Poor |
| Kechkes Road over Fenton River | 2010 | 69 | Good |
| Old Turnpike Road over Fenton Brook | 1970 | 65 | Fair |
| Moose Meadow Road over Fenton River | 1990 | 61 | Fair |
| Williamson Road over Crystal Lake Brook | 2021 | 43 | Good |
| Krol Road over Ellis Brook | 1991 | 23 | Fair |
| Main Street over Tankerhoosen River | 1885 | 21 | Good |
| Stone House Road over Roaring Brook | 1958 | 11 | Poor |
| Laurel Lane over Mount Hope River | 2013 | 6 | Good |