| Fee Tpk N&S Ramps over Salmon Brook | 1955 | 128,889 | Good |
| Fee Tpk over Greeley Street | 1993 | 78,063 | Good |
| Fee Tpk over Baboosic Brook | 1954 | 75,081 | Good |
| Fee Tpk over Souhegan River | 1953 | 75,081 | Good |
| US 3 Fee Tpk NB over Nashua River | 1955 | 73,979 | Fair |
| US 3 Fee Tpk SB over Nashua River | 1959 | 71,221 | Good |
| I-293 Fee Tpk over N Br Piscataquog River | 2016 | 69,164 | Good |
| Fee Tpk NB Ramp 4 over Ramp 3B | 1997 | 66,228 | Good |
| I-293 Fee Tpk over I-293 NB on Ramp | 2016 | 63,919 | Good |
| I-293 Fee Tpk over S Br Piscataquog River | 2016 | 63,919 | Good |
| US 3 Fee Tpk NB over Canal Service Road | 1955 | 59,758 | Fair |
| US 3 Fee Tpk SB over Canal Service Road | 1959 | 58,948 | Good |
| Wieczorek Dr over Merrimack R Nh 3A CSX | 2011 | 57,651 | Good |
| Fee Tpk NB on Ramp over Fee Tpk SB Off Ramps | 1996 | 56,330 | Good |
| NH101 over Nh 28 Bypass | 1961 | 55,538 | Good |
| Fee Tpk SB Ramp over Fee Tpk SB Off Ramps | 1996 | 51,849 | Good |
| I-293 Fee Tpk over Granite Street | 2007 | 51,344 | Good |
| Circumferential WB over Merrimack River CSX | 1973 | 50,841 | Good |
| Fee Tpk NB over Pennichuck Brook | 1954 | 48,402 | Fair |
| I-93 NB over Merrimack River CSX Rd | 1976 | 48,395 | Fair |
| I-93 SB over Stevens Pond | 1977 | 48,294 | Fair |
| I-93 NB NH101 EB over Candia Road | 1960 | 47,490 | Fair |
| I-93 NB NH101 EB over Hanover Street | 1960 | 47,490 | Fair |
| I-93 SB NH101 WB over Candia Road | 1960 | 47,490 | Fair |
| I-93 SB NH101 WB over Hanover Street | 1960 | 47,490 | Fair |
| I-293 Fee Tpk over Stark Way | 1956 | 46,106 | Poor |
| US 3 Fee Tpk NB over Spit Brook Road | 1993 | 46,106 | Good |
| US 3 Fee Tpk SB over Spit Brook Road | 1995 | 46,106 | Good |
| I-293 WB NH101 WB over Nh 28A | 1961 | 46,087 | Fair |
| I-293 WB NH101 over Frontage Rd Csx(abd) | 1958 | 45,058 | Good |
| I-293 WB NH101 over Nh 3A Brown Ave | 2004 | 45,058 | Good |
| I-293 EB NH101 EB over Nh 28A | 1961 | 44,507 | Fair |
| Fee Tpk SB over Pennichuck Brook | 1954 | 44,365 | Poor |
| I-293 NB NH101 WB over Merrimack River CSX | 1960 | 44,010 | Fair |
| Circumferential EB over Merrimack River CSX | 2000 | 43,572 | Good |
| I-93 SB over Wellington Road | 1976 | 42,435 | Good |
| I-93 NB over Wellington Road | 1976 | 42,094 | Fair |
| I-293 EB NH101 over Frontage Rd Csx(abd) | 1958 | 41,914 | Good |
| I-293 EB NH101 over Nh 3A Brown Ave | 2004 | 41,914 | Good |
| I-293 SB NH101 EB over Merrimack River CSX | 1960 | 41,914 | Fair |
| I-93 SB over Bodwell Road | 1962 | 40,868 | Good |
| I-293 Fee Tpk over Hackett Hill Road | 1956 | 40,862 | Fair |
| I-93 NB I-93 Ramp over Cohas Brook | 1962 | 38,772 | Fair |
| I-93 NB over Bodwell Road | 1962 | 38,772 | Good |
| I-93 NB over Cohas Brook | 1962 | 38,772 | Good |
| I-93 NB over Cohas Brook | 1962 | 38,772 | Good |
| I-93 NB over Stevens Pond | 1977 | 36,942 | Fair |
| NH101 WB over Fee Tpk | 1993 | 35,647 | Fair |
| Nh 28 over I-293 NH101 | 1960 | 35,231 | Good |
| NH111 over US 3 Fee Tpk | 1998 | 34,337 | Fair |
| I-93 SB over Merrimack River CSX Rd | 1976 | 34,000 | Fair |
| I-293 EB NH101 EB over Fee Tpk | 1993 | 33,533 | Good |
| Fee Tpk over Wieczorek Dr | 2010 | 29,696 | Good |
| I-93 SB over Bridge Street | 1977 | 28,328 | Fair |
| I-93 SB over Stevens Pond | 1976 | 28,328 | Fair |
| NH130 Broad Street over US 3 Fee Tpk | 1999 | 26,909 | Fair |
| Circ Hwy WB over Daniel Webster Hwy | 1993 | 26,815 | Fair |
| I-93 SB over Cohas Brook | 1962 | 26,271 | Fair |
| I-93 SB over I-293 Ebn | 1961 | 26,271 | Good |
| I-93 SB over I-93 NB Off Ramp | 1962 | 26,271 | Good |
| I-93 NB over Bridge Street | 1977 | 25,082 | Fair |
| I-93 NB over NH101 WB Sbe Ramp | 1977 | 25,082 | Fair |
| NH101 WB over I-293(RAMP D) | 1959 | 24,986 | Fair |
| NH101 WB over US 3 | 2006 | 24,986 | Good |
| NH101 over Nh 13 | 1976 | 24,280 | Good |
| NH101 over Ponemah Hill Road | 1971 | 24,280 | Good |
| I-293 Nh 3A Tpk N over Black Brook | 1956 | 24,101 | Poor |
| US 3 Nh 3A over I-293 Nh 3A CSX Merr R | 1923 | 22,640 | Fair |
| I-293 Nh 3A Tpk S over Black Brook | 1956 | 22,005 | Poor |
| East Dunstable Rd over Fee Tpk Ramp 4CD | 1996 | 21,720 | Fair |
| Granite Street over Merrimack River | 1981 | 21,111 | Good |
| NH101A over Fee Tpk | 1999 | 20,508 | Good |
| I-293 Fee Tpk NB over Nh 3A | 1957 | 20,431 | Good |
| I-293 Fee Tpk SB over Nh 3A | 1956 | 20,431 | Good |
| NH101 EB over US 3 | 2006 | 20,158 | Good |
| NH101 EB over Bridge Street | 1961 | 19,964 | Fair |
| NH101 over Joe English Brook | 1936 | 19,233 | Fair |
| NH101 over Pulpit Brook | 2023 | 19,233 | Good |
| US202 NH101 over Contoocook River | 2024 | 18,622 | Good |
| Circ Hwy EB over Daniel Webster Hwy | 1993 | 18,109 | Fair |
| NH101A Bp Somerset over Fee Tpk | 1989 | 17,949 | Good |
| Salmon Street WB over Merrimack River CSX Rd | 1970 | 17,799 | Fair |
| NH101 over Osgood Road | 1977 | 17,533 | Fair |
| NH101 over Perry Road | 1978 | 17,533 | Fair |
| Wieczorek Dr over US 3 | 2011 | 17,401 | Good |
| NH111 WB over Merrimack River | 1970 | 17,275 | Fair |
| NH101 WB over Bridge Street | 1961 | 17,124 | Fair |
| NH101 WB over I-93 SB Off Ramp | 1961 | 17,124 | Fair |
| Nh 3A Brown Ave over Cohas Brook | 1986 | 16,980 | Fair |
| Daniel Webster Hwy over Nashua River | 1925 | 16,730 | Fair |
| Nh 28 S Willow St over Cohas Brook | 1989 | 16,239 | Fair |
| NH111 EB over Merrimack River | 1973 | 15,615 | Fair |
| I-93 NB Off Ramp over I-293 EB NH101 EB | 1961 | 15,205 | Fair |
| NH101 over Merrimack Road | 1969 | 15,196 | Good |
| NH101 over NH101A CSX | 1971 | 15,196 | Fair |
| NH101 over Souhegan River | 1971 | 15,196 | Good |
| Canal Street over Nashua River | 1928 | 14,902 | Fair |
| I-93 Ebs Ramp over Cohas Brook | 1962 | 14,597 | Good |
| North Ramp over I-293 Fee Tpk | 1957 | 14,149 | Fair |
| Harris Road over Salmon Brook | 1955 | 13,964 | Fair |
| Nh 13 NH114 over Piscataquog River | 1928 | 13,570 | Fair |
| Salmon Street EB over Merrimack R CSX Rd Ramp | 1970 | 13,150 | Poor |
| US 3 over Souhegan River | 1921 | 13,075 | Fair |
| US 3 over Baboosic Brook | 1933 | 13,024 | Poor |
| Nh 13 over Souhegan River | 1931 | 12,799 | Poor |
| Nh 3A So Main St over Piscataquog River | 1894 | 12,740 | Good |
| US 3 over Fee Tpk | 2013 | 12,556 | Good |
| Wellington Road over Valley Brook | 2013 | 12,496 | Good |
| Nh 31 NH101 over Souhegan River | 1954 | 12,472 | Fair |
| NH111 over Nashua River | 1950 | 12,103 | Fair |
| NH101 over Boston Post Rd Beaver Bk | 1969 | 11,884 | Fair |
| NH101 over NH122 | 1969 | 11,884 | Good |
| NH101 over Thorntons Ferry Road | 1971 | 11,884 | Fair |
| South Ramp over I-293 Fee Tpk | 1957 | 11,866 | Fair |
| US 3 Elm St over Csx(abd) | 1915 | 11,812 | Fair |
| Kelley Street over Piscataquog R CSX Rd | 1973 | 11,356 | Good |
| Bedford Road over Fee Tpk | 1990 | 11,063 | Good |
| Nh 3A over Wildlife Stream | 2011 | 10,291 | Good |
| C-d Road over Ramp D Toll Access Dr | 1996 | 10,224 | Good |
| Nh 28A Mammoth Rd over Cohas Brook | 1935 | 9,918 | Fair |
| Nh 9 over US202 | 2001 | 9,776 | Good |
| US202 Nh 9 over Henniker St | 2002 | 9,776 | Good |
| Industrial Drive over Fee Tpk | 1990 | 9,532 | Good |
| I-293 NB Off Ramp over Merrimack River | 1983 | 9,517 | Good |
| Fee Tpk NB Offramp over Fee Tpk SB Off Ramp | 2000 | 9,465 | Good |
| NH114 over Piscataquog River | 1972 | 9,373 | Fair |
| Front Street over Black Brook | 1974 | 9,294 | Good |
| Allds Street over Salmon Brook | 1892 | 9,118 | Fair |
| Fee Tpk SB on Ramp over Fee Tpk SB Off Ramp | 1995 | 9,004 | Good |
| Ramp H over Fee Tpk | 1993 | 9,004 | Fair |
| Bridge Street EB over I-293 Nh 3A CSX Merr R | 1988 | 8,778 | Fair |
| Bridge Street WB over I-293 Nh 3A CSX Merr R | 1990 | 8,778 | Fair |
| Turkey Hill Road over Souhegan River | 1969 | 8,725 | Good |
| I-293 SB Off Ramp over US 3 | 2006 | 8,021 | Good |
| Nh 77 NH114 over Piscataquog River | 1939 | 7,831 | Fair |
| Grove Street over Nubanusit Brook | 1936 | 7,812 | Fair |
| US202 over Outlet Pratt Pond | 1956 | 7,682 | Fair |
| NH101 over Blood Brook | 1930 | 7,670 | Good |
| Lund Road over Salmon Brook | 1950 | 7,604 | Fair |
| Nh 9 Nh 31 over North Branch River | 1951 | 7,411 | Fair |
| Nh 9 over Beards Brook Beards Rd | 2002 | 7,409 | Good |
| Huse Road over I-293 NH101 | 1960 | 7,350 | Good |
| Bedford Road over Baboosic Brook | 2020 | 7,218 | Good |
| NH101 over Blood Brook | 1931 | 6,922 | Fair |
| Henry Bridge Road over Harry Brook | 2008 | 6,880 | Good |
| Henry Bridge Road over Piscataquog River | 1937 | 6,880 | Fair |
| NH122 Amherst St over Beaver Brook | 1940 | 6,868 | Fair |
| NH122 Main St over NH101 | 1969 | 6,868 | Good |
| NH122 over Souhegan River Rec Path | 1956 | 6,846 | Good |
| Pine Hill Road over US 3 Fee Tpk | 1994 | 6,836 | Good |
| Nh 28A over I-93 | 1976 | 6,695 | Good |
| Old Bridge Street over Beaver Brook | 1920 | 6,622 | Fair |
| North River Road over Souhegan River | 1992 | 6,497 | Good |
| Wilton Road over Souhegan River | 1917 | 6,406 | Fair |
| Baboosic Lake Road over Fee Tpk | 1954 | 6,359 | Poor |
| NH111A over Beaver Brook | 1966 | 6,245 | Good |
| River Road over I-93 | 1975 | 6,128 | Good |
| Main Street over Contoocook River | 1940 | 6,119 | Good |
| Main Street over Beaver Brook | 1900 | 6,111 | Poor |
| US202 over N Branch River | 1988 | 5,929 | Good |
| US202 over Moose Brook | 1959 | 5,847 | Fair |
| US202 NH123 over Contoocook River | 1942 | 5,773 | Poor |
| Fee Tpk NB Ramp over Wieczorek Dr Ramp | 2011 | 5,763 | Good |
| Second Street over Piscataquog (north Br) | 1915 | 5,707 | Fair |
| Second Street over Piscataquog (south Br) | 1991 | 5,707 | Good |
| NH123 NH124 over Souhegan River Byp Hist | 2015 | 5,564 | Good |
| Nh 13 over Nissitissit River | 1947 | 5,547 | Fair |
| I-293 NB Off Ramp over I-293 Nh 3A Fee Tpk | 2016 | 5,504 | Good |
| Willow Street over Beaver Brook | 2019 | 5,306 | Good |
| I-293 Fee Tpk Ramp over S Br Piscataquog River | 1957 | 5,245 | Good |
| US202 NH123 over Ferguson Brook | 1959 | 5,082 | Fair |
| Water Street over Factory Access Road | 1962 | 5,082 | Fair |
| US 3 Cd Road over Spit Brook Road | 1993 | 4,911 | Fair |
| Daniel Webster Hwy over US 3 Fee Tpk NB Ramp | 1955 | 4,903 | Good |
| Nh 13 over S Br Piscataquog River | 1947 | 4,887 | Fair |
| Ridge Road over Salmon Brook | 1998 | 4,876 | Good |
| NH128 over Beaver Brook | 1935 | 4,824 | Good |
| Goffs Falls Road over Csx(abd) | 2021 | 4,712 | Good |
| Nh 77 over Canal 2 Choate Bk | 1960 | 4,701 | Fair |
| Wire Road over Fee Tpk | 1954 | 4,571 | Fair |
| Nh 31 over Souhegan River | 1951 | 4,552 | Fair |
| NH149 over Contoocook River | 1893 | 4,507 | Fair |
| Boston Post Road over Souhegan River | 1977 | 4,409 | Fair |
| Nh 31 over Blood Brook | 1937 | 4,387 | Fair |
| Nh 13 over Whittle Brook | 1932 | 4,360 | Fair |
| NH130 over Village Brook | 1935 | 4,273 | Fair |
| Nh 31 over Stony Brook | 1928 | 3,863 | Fair |
| Nh 13 over S Br Piscataquog River | 1937 | 3,777 | Fair |
| Island Pond Road over I-93 NB I-293 EB | 2009 | 3,640 | Good |
| Island Pond Road over I-93 SB I-293 WB | 2009 | 3,640 | Good |
| County Road over Souhegan River | 1987 | 3,589 | Good |
| Boston Post Road over Beaver Brook | 1984 | 3,564 | Fair |
| South Main Street over Nissitissit River | 1931 | 3,553 | Good |
| Tinker Road over Fee Tpk | 1987 | 3,502 | Fair |
| Tinker Road over Pennichuck Reservoir | 1999 | 3,502 | Good |
| Nh 31 over Stony Brook | 1929 | 3,496 | Poor |
| Bodwell Road over Cohas Brook | 1962 | 3,494 | Fair |
| Elm Street over Nubanusit Brook | 2003 | 3,391 | Fair |
| Nh 77 Truck Route over Piscataquog River | 1940 | 3,359 | Fair |
| Ramp E(camp St) over CSX | 1970 | 3,341 | Fair |
| Mason Road over Nissitissit River | 1932 | 3,176 | Fair |
| Dunbarton Road over Black Brook | 1989 | 3,159 | Good |
| Wire Road over Baboosic Brook | 2013 | 3,115 | Good |
| Old Nh 9 over Beards Brook | 1951 | 3,043 | Fair |
| Tallant Road over Beaver Brook | 2006 | 2,964 | Good |
| Manchester Street over Pennichuck Reservoir | 2015 | 2,930 | Good |
| Nh 31 over Stony Brook | 1905 | 2,883 | Fair |
| Forest Road over Contoocook River | 1937 | 2,818 | Fair |
| Old Bedford Road over NH114 | 1964 | 2,798 | Fair |
| Nh 77 over Mid Br Piscataquog River | 1949 | 2,789 | Fair |
| Nh 45 over Souhegan River | 1937 | 2,721 | Fair |
| North River Road over Purgatory Brook | 1978 | 2,702 | Good |
| Bodwell Road over Cohas Brook | 1984 | 2,576 | Good |
| Cohas Avenue over Cohas Brook | 1900 | 2,560 | Good |
| NH136 over Otter Brook | 1968 | 2,518 | Fair |
| Boston Post Road over Beaver Brook | 1970 | 2,515 | Fair |
| Center Road over US202 Nh 9 | 2002 | 2,316 | Good |
| Searles Road over Salmon Brook | 1999 | 2,270 | Good |
| Antrim Road over Contoocook River | 1929 | 2,233 | Fair |
| Antrim Road over Mill Tail Race | 1988 | 2,233 | Good |
| Antrim Road over Monadnock Mill Canal | 1922 | 2,233 | Poor |
| Bedford Road over Baboosic Brook | 2008 | 2,225 | Good |
| Jenkins Road over Mcquade Brook | 2012 | 2,225 | Good |
| Depot Street over Contoocook River | 2013 | 2,130 | Good |
| Reservoir Drive over Piscataquog River | 1993 | 2,048 | Good |
| New Searles Road over Salmon Brook | 1999 | 2,003 | Good |
| Baldwin Street over Broad St Pkwy CSX | 2014 | 2,000 | Good |
| Horace Greeley Rd over Joe English Brook | 1989 | 1,933 | Good |
| Nh 31 over Souhegan River | 1971 | 1,924 | Good |
| River Road over Piscataquog River | 1940 | 1,866 | Poor |
| Wilton Road over Souhegan River | 1938 | 1,866 | Poor |
| Merrimack Road over Beaver Brook | 1986 | 1,865 | Good |
| Lincoln Street over Great Brook | 1992 | 1,817 | Good |
| NH123 over Town Line Brook | 1939 | 1,802 | Good |
| Whitten Road over Tucker Brook | 1988 | 1,730 | Fair |
| Purgatory Road over Purgatory Brook | 1970 | 1,716 | Fair |
| Nh 31 over Contoocook River | 1934 | 1,693 | Fair |
| East Dunbarton Rd over Black Brook | 1994 | 1,591 | Fair |
| West Hollis Road over Nissitissit River | 1978 | 1,548 | Fair |
| NH136 over S Br Piscataquog River | 1967 | 1,523 | Good |
| NH149 over Piscataquog River | 1939 | 1,482 | Good |
| Tirrell Hill Road over Black Brook | 1994 | 1,387 | Poor |
| Reservoir Drive over Piscataquog River | 1994 | 1,371 | Good |
| Union Street over Nubanusit Brook | 1937 | 1,369 | Good |
| Parker Road over Piscataquog River | 2000 | 1,366 | Good |
| Manchester Road over Beaver Brook | 2015 | 1,303 | Good |
| NH123A over West Br Souhegan River | 1936 | 1,299 | Fair |
| NH137 over Moose Brook | 1939 | 1,254 | Good |
| Fairmount Street over Broad St Pkwy CSX | 2015 | 1,247 | Good |
| Jennison Road over Hartshorn Brook | 2015 | 1,236 | Good |
| Thornton Road over Pennichuck Brook | 2001 | 1,231 | Good |
| Parker Road over S Br Piscataquog River | 1937 | 1,201 | Fair |
| Lower Ashby Road over Souhegan River | 2006 | 1,167 | Good |
| River Road over Piscataquog River | 1964 | 1,167 | Fair |
| Second Nh Tpk over S Br Piscataquog River | 2014 | 1,167 | Good |
| Second Nh Tpk over S Br Piscataquog River | 1962 | 1,167 | Fair |
| Temple Road over Blood Brook | 1901 | 1,167 | Poor |
| Broad St Parkway over Nashua River | 2016 | 1,100 | Good |
| Mcgaw Bridge Road over Baboosic Brook | 2016 | 1,091 | Good |
| Depot Street over Relief | 1914 | 1,065 | Good |
| Depot Street over Relief | 2013 | 1,065 | Good |
| Morrison Road over Contoocook River | 1958 | 1,064 | Fair |
| Mill Street over Souhegan River | 1925 | 1,043 | Fair |
| Bean Road over Baboosic Brook | 2016 | 1,004 | Good |
| Bond Street over Nissitissit River | 1946 | 959 | Fair |
| Isaac Frye Highway over Souhegan River | 1993 | 851 | Fair |
| West Deering Road over Contoocook River | 2010 | 808 | Good |
| Horace Greeley Rd over Pulpit Brook | 2018 | 794 | Good |
| Bridle Bridge Road over Beaver Brook | 1995 | 783 | Good |
| Second Nh Tpk over Brook | 1900 | 721 | Fair |
| Second Nh Tpk over Brook | 1900 | 721 | Good |
| Contoocook Falls R over Contoocook River | 1933 | 712 | Poor |
| Colby Road over Piscataquog River | 1962 | 682 | Good |
| Sharon Road over Contoocook River | 1925 | 646 | Fair |
| Riverdale Road over Piscataquog River | 1940 | 641 | Good |
| Beaver Brook Road over Beaver Brook | 1932 | 629 | Poor |
| Gregg Mill Road over S Br Piscataquog River | 1938 | 620 | Fair |
| Granite Street over Recreation Trail | 1900 | 603 | Fair |
| Saw Mill Road over Beards Brook | 1919 | 592 | Fair |
| Russell Hill Road over Blood Brook | 2003 | 584 | Good |
| Chubbuck Road over Riddle Brook | 2013 | 571 | Good |
| Greenfield Parkway over Riddle Brook | 2000 | 571 | Poor |
| Magazine Street over Riddle Brook | 2013 | 571 | Good |
| Magazine Street over Riddle Brook | 2013 | 571 | Good |
| Station Road over Chandler Brook | 2007 | 571 | Good |
| Dupaw Gould Road over Lancy Brook | 1987 | 559 | Poor |
| Clough Park Road over Piscataquog River | 1962 | 545 | Fair |
| Braemoor Woods Rd over Spicket River Tributary | 2006 | 541 | Good |
| Bohannon Bridge Rd over Nissitissit River | 1940 | 524 | Good |
| Beals Road over Baboosic Brook | 1928 | 511 | Poor |
| Century Lane over Colby Brook | 2000 | 511 | Good |
| Stowell Road over Baboosic Brook | 1990 | 511 | Fair |
| Middle Road over Mcdowell Reservoir | 1950 | 488 | Good |
| Beard Road over Beards Brook | 1965 | 463 | Good |
| Lyndeborough Road over Meadow Brook | 2023 | 440 | Good |
| Lyndeborough Road over S Br Piscataquog River | 1940 | 440 | Good |
| Longview Road over Moose Brook | 1930 | 431 | Good |
| Plummer Road over NH101 | 1995 | 423 | Good |
| Elm Avenue over North Branch River | 1984 | 401 | Fair |
| Thorntons Ferry Rd over Beaver Brook | 1970 | 356 | Poor |
| Cooledge Road over Shedd Brook | 1956 | 348 | Fair |
| Tricnit Road over Furnace Brook | 2009 | 327 | Good |
| Old Greenfield Rd over Boglie Brook | 2008 | 318 | Good |
| Hummingbird Lane over Sand Brook | 2013 | 300 | Good |
| So New Boston Road over S Br Piscataquog River | 2020 | 289 | Good |
| Castle Hill Road over Beaver Brook | 2009 | 279 | Good |
| Sharon Road over Town Line Brook | 1970 | 255 | Good |
| Windy Row Road over Mcdowell Reservoir | 1950 | 247 | Poor |
| Burton Highway over Mill Brook | 2002 | 246 | Good |
| Tannery Hill Road over Ferguson Brook | 2002 | 226 | Good |
| Wilder Road over Nubanusit Brook | 2004 | 222 | Good |
| E Washington Road over Brook | 1953 | 218 | Good |
| Spring Road over Nubanusit Brook | 1940 | 214 | Fair |
| Old Temple Road over Stony Brook | 2005 | 209 | Good |
| Brook Road over Joe English Brook | 1985 | 208 | Fair |
| Mont Vernon Road over Ceasars Brook | 2023 | 208 | Good |
| North Mason Road over Spaulding Brook | 1988 | 208 | Good |
| Pollard Road over Black Brook | 2008 | 208 | Good |
| Riverdale Road over Mid Br Piscataquog River | 2015 | 204 | Good |
| Gregg Lake Road over Gregg Lake | 1997 | 201 | Good |
| Reservoir Road over Piscataquog River | 1973 | 198 | Good |
| Keyes Hill Road over Blood Brook | 1999 | 189 | Good |
| Webster Highway over Whiting Brook | 2000 | 184 | Good |
| Poor Farm Road over S Br Piscataquog River | 2004 | 175 | Fair |
| Gulf Road over Otter Brook | 1940 | 168 | Good |
| Pleasant Pond Road over Collins Brook | 2010 | 159 | Good |
| North Road over Brook | 1940 | 153 | Fair |
| Russell Station Rd over Rand Brook | 2011 | 121 | Good |
| Depot Road over S Br Piscataquog River | 1993 | 109 | Fair |
| Link Road over Ferguson Brook | 1995 | 107 | Fair |
| Red Fox Crossing over Nelson Brook | 2021 | 100 | Good |
| Abijah Bridge Road over Dudley Brook | 1999 | 96 | Good |
| Abijah Bridge Road over Lake Horace | 2009 | 96 | Good |
| Bartlett Hill Road over Piscataquog River | 1930 | 96 | Fair |
| Beard Road over Beards Brook | 1900 | 96 | Fair |
| Bible Hill Road over Nh 9 Ramp A | 2000 | 96 | Good |
| Bible Hill Road over US202 | 2000 | 96 | Fair |
| Bog Road over Sand Brook | 2015 | 96 | Good |
| Burton Highway over Burton Pond Outlet | 1920 | 96 | Fair |
| Cavender Road over Ferguson Brook | 2006 | 96 | Good |
| Converse Road over Brook | 1980 | 96 | Good |
| Converse Road over Whiting Brook | 2015 | 96 | Good |
| Cooledge Road over Beards Brook | 1970 | 96 | Fair |
| Cressy Hill Road over Rand Brook | 1940 | 96 | Poor |
| Cross Road over S Br Piscataquog River | 1930 | 96 | Fair |
| Cross Road over Town Line Brook | 2014 | 96 | Good |
| Danforth Corners over Beards Brook | 1974 | 96 | Fair |
| Gleason Falls Road over Beards Brook | 1900 | 96 | Poor |
| Gulf Road over Stony Brook | 1920 | 96 | Good |
| Hilldale Lane over S Br Piscataquog River | 1920 | 96 | Fair |
| J Connor Road over Piscataquog River | 2003 | 96 | Fair |
| Jones Road over Beards Brook | 1900 | 96 | Poor |
| Juniper Hill Road over Brennan Brook | 2015 | 96 | Good |
| Liberty Farm Road over North Branch River | 1991 | 96 | Poor |
| Loveren Mill Rd over North Branch River | 1992 | 96 | Good |
| Lyndeborough Road over S Br Piscataquog River | 2010 | 96 | Good |
| Middle Hancock Rd over Small Brook | 2024 | 96 | Good |
| Old Country Road over Waterloom Pond Outlet | 2005 | 96 | Good |
| Old County Rd N over Collins Brook | 1981 | 96 | Poor |
| Old Henniker Road over US202 Nh 9 | 2002 | 96 | Good |
| Perkins Pond Road over Peacock Brook | 1998 | 96 | Good |
| Pleasant Pond Road over Piscataquog River | 1939 | 96 | Good |
| Putnam Road over Brook | 1930 | 96 | Poor |
| Russell Station Rd over Rand Brook | 1930 | 96 | Fair |
| Scoby Road over Haunted Lake Outlet | 2015 | 96 | Good |
| Shedd Road over Shedd Brook | 1919 | 96 | Fair |
| Stage Coach Road over Burton Pond Outlet | 2021 | 96 | Good |
| Steele Road over Nubanusit Brook | 2000 | 96 | Good |
| Tucker Mill Road over Mid Br Piscataquog River | 1991 | 96 | Fair |
| Twin Bridge Road over Mid Br Piscataquog River | 1999 | 96 | Good |
| West Street over Great Brook | 2019 | 96 | Good |
| Woodbury Road over Piscataquog River | 1940 | 96 | Good |
| Woodward Hill Road over Brennan Brook | 2015 | 96 | Good |
| Mill Road over Gridley River | 1927 | 95 | Fair |
| Peaslee Road over Piscataquog River | 2015 | 50 | Good |
| Toll Plaza Access over Fee Tpk NB On-ramp | 2010 | 50 | Fair |
| Frye Mill Road over Burton Pond Outlet | 1920 | 36 | Poor |
| Old No Branch Road over North Branch River | 2011 | 30 | Good |
| Old County Rd S over Brennan Brook | 1930 | 27 | Fair |
| Waterworks Drive over Canal Outlet | 1940 | 25 | Fair |
| Robinson Road over Moose Brook | 1990 | 21 | Fair |
| Clarkville Road over S Br Piscataquog River | 1930 | 17 | Fair |
| Access Road over Joe English Brook | 2008 | 10 | Fair |
| Causeway over Joe English Pond | 2008 | 10 | Fair |
| On-orbit Drive over Gardner-joe English Stre | 1959 | 10 | Poor |