| I-95 over Access Road | 1950 | 86,429 | Fair |
| I-95 over Maplewood Avenue | 1970 | 76,465 | Fair |
| I-95 over Piscataqua River | 1971 | 74,766 | Fair |
| I-95 over Preble Way CSX | 1971 | 74,766 | Fair |
| I-95 over Market Street | 1970 | 70,573 | Good |
| US 4 Nh 16 Sp Tpk over Shawayttuck | 1983 | 68,236 | Good |
| US 4 Nh 16 Sp Tpk over Gosling Road | 1993 | 59,897 | Good |
| NH101 over Tower Hill Road | 1964 | 52,392 | Fair |
| I-93 NB over NH111A | 2011 | 52,370 | Good |
| I-95 SB over CSX | 1972 | 48,687 | Good |
| I-93 SB over Nh 38 | 2013 | 47,376 | Good |
| I-93 SB over NH111A | 2014 | 47,252 | Good |
| I-93 SB over Pelham Road | 2014 | 47,252 | Good |
| I-93 NB over Nh 38 | 2013 | 47,229 | Good |
| I-95 NB over CSX | 1972 | 47,148 | Good |
| I-93 NB over Pelham Road | 2014 | 45,664 | Good |
| I-95 SB over Taylor River | 2018 | 43,466 | Good |
| I-95 NB over Taylor River | 2018 | 42,963 | Good |
| NH101 over Little River | 2000 | 42,641 | Good |
| I-93 SB over Beaver Brook | 2020 | 42,082 | Good |
| I-93 SB over Fordway Extension | 1962 | 42,082 | Good |
| I-93 SB over Kendall Pond Road | 1962 | 42,082 | Good |
| I-93 SB over NH111 | 2014 | 42,082 | Good |
| I-93 SB over North Lowell Road | 1995 | 42,082 | Good |
| I-93 NB over Beaver Brook | 2019 | 41,528 | Good |
| I-93 NB over Fordway Extension | 1962 | 41,528 | Good |
| I-93 NB over Kendall Pond Road | 1962 | 41,528 | Good |
| I-93 NB over NH111 | 2011 | 41,528 | Good |
| I-93 NB over North Lowell Road | 1998 | 41,528 | Good |
| I-93 SB over Nh 28 | 2013 | 40,868 | Good |
| I-93 SB over Recreation Trail | 2013 | 40,868 | Good |
| I-95 NB over US 4 Nh 16 Sp Tpk | 1971 | 38,772 | Fair |
| I-93 SB over Stonehenge Road | 1996 | 37,723 | Good |
| I-93 NB over Nh 28 | 2014 | 36,675 | Good |
| I-93 NB over Recreation Trail | 2014 | 36,675 | Good |
| I-93 NB over Stonehenge Road | 1995 | 36,675 | Good |
| I-95 SB over US 4 Nh 16 Sp Tpk | 1970 | 35,888 | Fair |
| I-95 SB over Woodbury Avenue | 1970 | 35,888 | Good |
| I-95 NB over Woodbury Avenue | 1970 | 34,685 | Good |
| NH102 over I-93 | 2018 | 34,331 | Good |
| I-95 SB over NB Ramp | 1972 | 30,667 | Good |
| NH101 EB over Hooksett Road | 1972 | 28,293 | Good |
| NH101 EB over King Street | 1961 | 28,293 | Good |
| NH101 WB over King Street | 1961 | 27,245 | Fair |
| NH101 EB over NH107 | 1983 | 26,381 | Good |
| NH101 EB over Old Candia Road | 1985 | 26,196 | Good |
| NH101 WB over Hooksett Road | 1972 | 26,196 | Good |
| NH101 WB over Old Candia Road | 1985 | 26,196 | Good |
| NH101 EB Ramp over CSX | 1998 | 25,915 | Good |
| NH101 WB Ramp over CSX | 1994 | 25,640 | Good |
| NH101 EB over NH125 | 1997 | 24,544 | Good |
| NH101 EB over Squamscott River | 1998 | 24,304 | Good |
| NH101 WB over NH125 | 1996 | 24,023 | Good |
| NH101 WB over Squamscott River | 1994 | 23,913 | Good |
| NH101 WB over Bloody Brook | 1998 | 23,571 | Good |
| NH101 EB over NH111 | 2000 | 23,524 | Good |
| NH101 WB over NH111 | 2000 | 23,197 | Good |
| NH101 EB over Lamprey River | 1963 | 23,166 | Fair |
| NH101 WB over Lamprey River | 1985 | 22,571 | Good |
| NH107 over I-95 | 1967 | 22,291 | Good |
| NH101 EB over Bloody Brook | 1998 | 21,556 | Good |
| NH101 EB over Connor Farm Road | 2000 | 21,556 | Good |
| NH101 EB over Little River | 1997 | 21,556 | Good |
| NH101 EB over Pine Road | 1997 | 21,556 | Good |
| NH101 WB over NH108 | 2000 | 21,509 | Good |
| NH101 EB over Lamprey River | 1983 | 21,383 | Good |
| NH101 EB over Main Street | 1982 | 21,383 | Good |
| NH101 EB over NH108 | 1999 | 21,354 | Good |
| NH101 EB over Chester Road | 1981 | 21,220 | Good |
| US 1 over Taylor River | 1965 | 21,187 | Fair |
| NH101 WB over Connor Farm Road | 2000 | 21,085 | Good |
| NH101 WB over Little River | 1997 | 21,085 | Good |
| NH101 WB over Pine Road | 1997 | 21,085 | Good |
| NH101 WB over Lamprey River | 1983 | 21,050 | Good |
| NH101 WB over Main Street | 1982 | 21,050 | Good |
| NH101 WB over NH107 | 1983 | 21,050 | Good |
| NH101 WB over Chester Road | 1981 | 21,002 | Good |
| I-95 Ramp over NH101 | 1976 | 20,968 | Fair |
| NH101 EB over Piscassic River | 1997 | 20,631 | Good |
| Nh 28 (S Broadway) over Spicket River | 1900 | 20,229 | Fair |
| NH101 WB over Piscassic River | 1997 | 20,130 | Good |
| NH125 over CSX | 1992 | 19,888 | Good |
| I-95(RAMP B-d) over I-95 | 1976 | 19,641 | Fair |
| I-93 on Ramps over South Policy Street | 1960 | 19,197 | Good |
| I-93 SB Ramps over I-93 NB | 2008 | 18,966 | Fair |
| I-93 SB Ramps over I-93 SB | 2008 | 18,966 | Good |
| Nh 33 over I-95 | 1971 | 18,255 | Fair |
| Nh 33 over Winnicut River | 1959 | 17,736 | Poor |
| NH125 over Lamprey River | 1991 | 17,674 | Good |
| NH111 over Wetland 41 | 2007 | 17,028 | Good |
| NH111 over Harris Rd Flatrock Bk | 2007 | 17,014 | Good |
| NH125 over North River | 1977 | 16,805 | Good |
| NH108 over CSX | 1936 | 16,562 | Fair |
| NH108 over CSX | 1936 | 16,562 | Fair |
| US 1 Bypass over Hodgson Brook | 1940 | 16,307 | Good |
| NH111 over Spicket River | 1978 | 16,196 | Good |
| Nh 97 over Spicket River | 1958 | 16,144 | Fair |
| I-95 Ramps over Hodgson Brook | 1956 | 16,022 | Fair |
| US 1 over Sagamore Creek | 2000 | 15,904 | Good |
| US 1 over CSX | 1935 | 15,436 | Poor |
| I-93 NB Off Ramp over South Policy Street | 1961 | 15,304 | Good |
| Nh 33 over CSX | 2010 | 15,024 | Good |
| US 1 over Csx(abd) | 1936 | 14,314 | Poor |
| US 1 Scott Avenue over Daniel Street | 1921 | 14,207 | Good |
| NH111 over Beaver Brook | 1961 | 14,203 | Good |
| Nh 33 over CSX | 1971 | 14,099 | Fair |
| NH108 over Squamscott River | 2001 | 13,846 | Good |
| NH107 over Lamprey River | 1962 | 13,739 | Fair |
| NH286 over Blackwater River | 1991 | 13,696 | Fair |
| NH108 NH111 Nh 27 over Exeter River | 1934 | 13,290 | Fair |
| I-93 NB on Ramp over Recreation Trail | 2009 | 13,006 | Good |
| US 4 Nh 16 Sp Tpk over NB Ramp | 1971 | 12,881 | Good |
| Nh 28 Bypass over Beaver Brook | 1996 | 12,708 | Good |
| NH125 over Exeter River | 1960 | 12,023 | Fair |
| Nh 27 over Bloody Brook | 1998 | 11,782 | Good |
| Nh 27 over NH101 | 1999 | 11,782 | Good |
| US 1 SB over Nhrr(abd) | 1936 | 11,581 | Fair |
| NH101 over Drakeside Road | 1963 | 11,460 | Fair |
| Nh 27(EXETER Rd) over Csx(abd) | 1926 | 11,099 | Good |
| US 1 Bypass over Piscataqua River RR | 2017 | 11,064 | Good |
| US 1 NB Ramp over Nhrr(abd) | 1963 | 10,859 | Fair |
| NH121 over Little River CSX | 2006 | 10,799 | Good |
| NH108 over Lamprey River | 1955 | 10,702 | Fair |
| Nh 28 over Tributary G | 2015 | 10,683 | Good |
| East Derry Road over Beaver Brook | 1966 | 10,613 | Good |
| Nh 27 over I-95 | 1976 | 10,248 | Fair |
| Nh 27 over NH101 | 1996 | 10,248 | Good |
| US 1 over Piscataqua River | 1921 | 9,471 | Good |
| NH101 EB over I-95 | 1999 | 9,431 | Good |
| NH101 WB over I-95 | 2000 | 9,431 | Good |
| Nh 1A over Hampton River | 1949 | 9,402 | Poor |
| NH128 over Beaver Brook | 1934 | 9,150 | Good |
| Woodbury Avenue over Sp Tpk US 4 Nh 16 | 2015 | 8,800 | Good |
| NH101 over Nhrr(abd) | 1963 | 8,642 | Good |
| NH101 over US 1 SB | 1963 | 8,642 | Fair |
| Ocean Road over I-95 | 1972 | 8,244 | Fair |
| Maplewood Avenue over US 1 Bypass | 2015 | 8,230 | Good |
| Wieczorek Dr over Little Cohas Brook | 2011 | 8,168 | Good |
| I-93 SB Off Ramp over Recreation Trail | 2009 | 8,122 | Good |
| NH101 over US 1 NB | 1963 | 7,428 | Fair |
| Market Street EB over Tidal Basin | 1971 | 7,353 | Fair |
| Market Street WB over Tidal Basin | 1971 | 7,353 | Fair |
| NH111 over I-95 | 1975 | 7,327 | Fair |
| Ash Street over I-93 | 2019 | 7,299 | Good |
| NH101 over Tide Mill Creek | 1988 | 7,203 | Good |
| Nh 28 Bypass over Lake Massabesic | 2001 | 7,177 | Good |
| Nh 43 NH107 over Lamprey River | 1989 | 7,161 | Fair |
| NH286 over Csx(abd) | 1940 | 7,092 | Fair |
| Walker Street over Piscataqua R Back Chan | 1913 | 7,000 | Fair |
| Cross Street over I-93 | 2007 | 6,905 | Good |
| Nh 1A over Sagamore Creek | 2015 | 6,704 | Good |
| Nh 85 over NH101 | 1994 | 6,676 | Good |
| Nh 43 NH107 over Lamprey River | 1984 | 6,595 | Good |
| Lawrence Road over Spicket River | 2010 | 6,479 | Good |
| Nh 33 over US 1 Bypass | 2013 | 6,466 | Good |
| NH111 over Little River | 1930 | 6,155 | Fair |
| NH101 Ramp A-b over NH101 | 1981 | 6,073 | Good |
| Maplewood Avenue over North Mill Pond | 1940 | 5,829 | Poor |
| Nh 28 Bypass over Cohas Brook | 1937 | 5,769 | Fair |
| Nh 85 over CSX | 2006 | 5,716 | Good |
| I-95 SB Connector over I-95 NB | 1972 | 5,680 | Fair |
| I-95 SB Connector over I-95 NB Ramp | 1972 | 5,680 | Good |
| Nh 43 over North Branch River | 1961 | 5,654 | Fair |
| South Road over Beaver Brook | 1970 | 5,285 | Good |
| Woodbury Avenue over US 1 Bypass | 2020 | 5,190 | Good |
| Fordway Road over Beaver Brook | 2010 | 5,046 | Good |
| Nh 43 over Lamprey River | 1938 | 5,028 | Good |
| Nh 27 over Lamprey River | 1935 | 4,960 | Fair |
| Kingston Road over CSX | 2004 | 4,925 | Good |
| NH108 over Exeter River | 1935 | 4,920 | Fair |
| Bridge Street over Spicket River | 1900 | 4,883 | Poor |
| NH111 over Exeter River | 1933 | 4,675 | Good |
| Rocknham Mall Entr over Rockham Blvd Bk Parknlot | 1991 | 4,631 | Fair |
| Nh 1B over South Mill Pond | 1985 | 4,588 | Good |
| Islington Street over US 1 Bypass | 2015 | 4,516 | Good |
| NH108 Court St over Little River | 2018 | 4,482 | Good |
| NH107 over Exeter River | 1988 | 4,344 | Good |
| NH152 over CSX | 1927 | 4,040 | Good |
| Main Street over Lamprey River | 1936 | 4,039 | Fair |
| Wyman Ave over Piscataqua Riv Back Chnl | 1941 | 4,000 | Fair |
| Nh 1A over Little River | 2000 | 3,933 | Good |
| NH101E Winnacunnet over Eel Creek | 1997 | 3,902 | Fair |
| I-93 SB Off Ramp over South Policy Street | 1965 | 3,861 | Good |
| Westville Road over Little River | 2019 | 3,826 | Good |
| NH111 over CSX | 1927 | 3,778 | Good |
| NH121A over Exeter River | 1937 | 3,762 | Good |
| NH152 over North River | 1925 | 3,719 | Poor |
| NH152 over North River | 1970 | 3,719 | Good |
| Bluff Street Ext over Widow Harris Brook | 2020 | 3,592 | Good |
| Town Farm Road over Spicket River | 2016 | 3,592 | Good |
| Nh 88 over I-95 | 1975 | 3,566 | Fair |
| NH151 over I-95 | 1975 | 3,412 | Fair |
| Nh 1B over Little Harbor | 1942 | 3,359 | Poor |
| Main Street over Lamprey River | 1999 | 3,323 | Good |
| NH111A over Exeter River | 1978 | 3,259 | Poor |
| North Road over NH101 | 1992 | 3,113 | Good |
| Nh 27 over Bean Brook | 1937 | 3,103 | Fair |
| Nh 27 over North Branch River | 1932 | 3,103 | Fair |
| NH156 over Pawtuckaway River | 1942 | 3,075 | Fair |
| Nh 1B over Piscataqua Estuary | 1955 | 3,041 | Fair |
| Nh 1B over Piscataqua Estuary | 1955 | 3,041 | Fair |
| Linden Street over Little River | 2015 | 2,920 | Good |
| Depot Road over NH101 | 1981 | 2,919 | Good |
| Nh 84 over I-95 | 1975 | 2,868 | Fair |
| Epping Street over Lamprey River | 1948 | 2,826 | Fair |
| Old Manchester Rd over NH101 | 1984 | 2,816 | Fair |
| Breakfast Hill Rd over I-95 | 1972 | 2,799 | Fair |
| Nh 1A over Rye Harbor | 1986 | 2,740 | Good |
| Guinea Road over NH101 | 1995 | 2,693 | Good |
| Nh 87 over Lamprey River | 2004 | 2,689 | Good |
| Nh 87 over Lamprey River Overflow | 2004 | 2,689 | Good |
| NH121 over Sucker Brook | 1930 | 2,682 | Good |
| Nh 27 over Lamprey River | 1932 | 2,642 | Fair |
| Beede Road over NH101 | 1998 | 2,600 | Good |
| NH152 over Piscassic River | 1946 | 2,525 | Fair |
| NH111A over Little River | 1934 | 2,520 | Fair |
| NH152 over North River | 1994 | 2,493 | Good |
| Haverhill Road over Spicket River | 2008 | 2,410 | Good |
| Grant Road over Piscassic River | 1947 | 2,386 | Fair |
| Bluff Street over Hittytity Brook | 2013 | 2,321 | Good |
| New Boston Road over Powwow River | 2009 | 2,286 | Good |
| Towle Farm Road over I-95 | 1974 | 2,242 | Fair |
| Towle Farm Road over NH101 | 1995 | 2,242 | Good |
| Towle Farm Road over Taylor River | 1977 | 2,242 | Good |
| NH107A over CSX Road | 1937 | 2,056 | Fair |
| Cedar Road over CSX | 1920 | 2,029 | Fair |
| Hall Road over Little Cohas Brook | 1974 | 1,964 | Poor |
| Nh 1A over Parsons Creek | 1986 | 1,938 | Good |
| Sandown Road over Exeter River | 1998 | 1,906 | Good |
| Winnicut Road over Winnicut River | 1931 | 1,870 | Fair |
| Hanson Road over Exeter River | 1932 | 1,854 | Poor |
| South Road over I-95 | 1975 | 1,808 | Fair |
| I-93 Rest Entrance over Policy Brook | 1967 | 1,800 | Good |
| I-93 Rest Exit over Policy Brook | 1967 | 1,800 | Good |
| NH108 over Powwow River | 1926 | 1,716 | Good |
| Brackett Road over Berry Brook | 1986 | 1,673 | Good |
| NH111A over Dudley Brook | 1936 | 1,663 | Fair |
| Sherburne Road over I-95 | 1971 | 1,639 | Good |
| String Bridge St over Squamscott River | 1935 | 1,568 | Good |
| String Bridge St over Squamscott River | 1935 | 1,568 | Good |
| Maple Street over Hornes Brook | 1998 | 1,519 | Good |
| Garden Road over Little River | 2010 | 1,496 | Good |
| Packers Falls Road over Piscassic River | 1931 | 1,378 | Good |
| Pierces Island Rd over Little Harbor | 1958 | 1,272 | Fair |
| Langford Road over Lamprey River | 1964 | 1,255 | Good |
| Mcintyre Road over Arboretum Drive | 1972 | 1,183 | Fair |
| Deerfield Road over Back Creek | 2010 | 1,167 | Good |
| Mill Street over Lamprey River | 2004 | 1,138 | Good |
| Brookdale Road over I-93 | 2012 | 1,124 | Good |
| Jewell Street over Powwow River | 1960 | 1,118 | Good |
| Cate Street over Hodgson Brook | 1940 | 1,096 | Poor |
| Nh 1A over Seavey Creek | 2009 | 1,042 | Good |
| Nottingham Road over Lamprey River | 1978 | 1,000 | Good |
| Walnut Ave over I-95 | 1975 | 995 | Good |
| Mill Pond Road over Little River | 2009 | 940 | Good |
| Patten Hill Road over NH101 | 1981 | 897 | Good |
| Bradford Street over Tributary G | 2006 | 856 | Good |
| Mccrillis Road over North River | 1963 | 843 | Fair |
| Prescott Road over Lamprey River | 1990 | 838 | Good |
| Prescott Road over NH101 | 1985 | 838 | Good |
| Park Street over CSX | 1900 | 782 | Fair |
| Cotton Road over Lamprey River | 1986 | 762 | Fair |
| Highland Avenue over Beaver Brook | 1935 | 762 | Fair |
| Blueberry Hill Rd over Exeter River | 1987 | 745 | Good |
| Fremont Road over Exeter River | 1988 | 713 | Good |
| Bow Lake Road over Sherburne Brook | 2021 | 662 | Good |
| Causeway Road over Mill Creek | 1940 | 639 | Poor |
| Chase Road over Powwow River | 1967 | 610 | Fair |
| Haigh Road over Exeter River | 1979 | 607 | Good |
| Whitehall Road over Powwow River | 1976 | 586 | Poor |
| Linden Street over Exeter River | 1993 | 579 | Fair |
| Rye Harbor Road over Brook | 1970 | 574 | Fair |
| Blake Road over Lamprey River | 1952 | 568 | Fair |
| Crawley Falls Road over Exeter River | 2014 | 559 | Good |
| Dudley Road over Lamprey River | 1914 | 547 | Poor |
| Drew Road over Drew Brook | 2011 | 541 | Good |
| North Shore Road over Taylor Brook | 2020 | 541 | Good |
| Teague Drive over Spicket River | 2014 | 541 | Good |
| Green Road over NH101 | 1982 | 528 | Fair |
| Collins Brook Road over Collins Brook | 1989 | 511 | Good |
| Hunter Mill Way over Cohas Brook | 2000 | 511 | Good |
| Manter Mill Road over Cohas Brook | 2000 | 511 | Good |
| Pond Road over Beaver Brook | 1935 | 511 | Good |
| Kearsarge Way over CSX | 1979 | 504 | Fair |
| Coakley Road over Hodgson Brook | 1940 | 480 | Poor |
| Mill Road over Exeter River | 1967 | 452 | Fair |
| Martin Road over Piscassic River | 2024 | 449 | Good |
| Pond Road over CSX | 1920 | 438 | Poor |
| Cross Road over Exeter River | 1930 | 416 | Fair |
| New Boston Road over North Branch River | 1985 | 400 | Good |
| New Road over CSX | 1930 | 400 | Fair |
| Castle Hill Road over Beaver Brook | 2021 | 279 | Good |
| Old Deerfield Road over Brook | 1920 | 250 | Poor |
| Scribner Road over Exeter River | 1941 | 234 | Poor |
| Chester Turnpike over NH101 | 1984 | 208 | Good |
| Giles Road over CSX | 1920 | 208 | Good |
| Griffin Mill Road over Maple Falls Brook | 1850 | 208 | Poor |
| Hilldale Ave over Powwow River | 1920 | 208 | Poor |
| Martin Road over NH101 | 1995 | 208 | Good |
| Pine Road over Little River | 1998 | 208 | Good |
| Sandown Road over Exeter River | 2010 | 208 | Good |
| Shepard Home Road over Exeter River | 1986 | 208 | Poor |
| Windsor Drive over Cohas Brook | 2002 | 208 | Good |
| Stark Street over US 1 Bypass | 2019 | 76 | Good |
| Garrison Lane over Little River | 1930 | 13 | Fair |
| Submarine Way over North Mill Pond | 1984 | 10 | Fair |
| Webster Groves Rd over Country Pond Outlet | 1980 | 10 | Fair |
| Ashland Road over I-95 Ramps | 1972 | – | Good |
| Pet Shop Drive over Little River | 2005 | – | Good |