Culvert bridges in New Hampshire
A pipe or box structure carrying water beneath the roadway. Culverts over 20 feet long are counted as bridges. New Hampshire has 288 of them, 11.3% of its bridges. Nationally this type accounts for 23.8% of all bridges.Compare states for this type.
- Culvert bridges
- 288
- Poor condition
- 6%
- 18 bridges
- Average age
- 48.6 yrs
- Combined length
- 2 mi
Busiest culvert bridges in New Hampshire
Top 200 by daily traffic| Bridge | County | Location | Built | Type | Length | Daily traffic | Condition |
|---|---|---|---|---|---|---|---|
| Fee Tpk N&s Ramps over Salmon Brook No. 017701220007300 | Hillsborough County | 3.3 MI N Mass Sl | 1955 | Culvert | 20 ft | 128,889 | Good |
| I-93 Fee Tpk over Dow Road No. 002701580013700 | Merrimack County | 1.7 MI JCT I-89 | 1957 | Culvert | 30 ft | 78,501 | Fair |
| Fee Tpk over Baboosic Brook No. 016801160014000 | Hillsborough County | 2.9 MI from Bedford T.L. | 1954 | Culvert | 31 ft | 75,081 | Good |
| NH101 over Tower Hill Road No. 001300880016200 | Rockingham County | 2.6 MI JCT Rt 28 | 1964 | Culvert | 27 ft | 52,392 | Fair |
| Nh 16 SP Tpk over New Bellamy Lane No. 006501740006000 | Strafford County | 0.6 MI from Jct. Rt. 16 | 1955 | Culvert | 30 ft | 42,313 | Fair |
| I-293 Fee Tpk over Hackett Hill Road No. 016100620006200 | Hillsborough County | .2MI S Hooksett T.L. | 1956 | Culvert | 33 ft | 40,862 | Fair |
| Nh 16 SP Tpk over Axehandle Brook No. 022201470009900 | Strafford County | 1.2 MI from Jct. Rt 202A | 1957 | Culvert | 32 ft | 39,505 | Good |
| I-93 NB I-93 Ramp over Cohas Brook No. 016101790012800 | Hillsborough County | 1.6 MI E JCT Rt 28 | 1962 | Culvert | 41 ft | 38,772 | Fair |
| I-93 NB over Cohas Brook No. 016102000014300 | Hillsborough County | .4MI N Londonderry T.L. | 1962 | Culvert | 30 ft | 38,772 | Good |
| I-93 over Williams Brook No. 019600990013100 | Merrimack County | 4.19MI Canterbury Tl | 1960 | Culvert | 23 ft | 30,961 | Fair |
| I-93 SB over Cohas Brook No. 016101790012600 | Hillsborough County | 1.5 MI E JCT Rt 28 | 1962 | Culvert | 40 ft | 26,271 | Fair |
| I-89 Nh 10 over Brook Atv Trail No. 007700630010000 | Grafton County | 0.4MI S Lebanon T/L | 1959 | Culvert | 22 ft | 25,062 | Fair |
| US 3 Nh 11 NH132 over Gulf Brook No. 025601050006700 | Belknap County | 3.3 MI NE Franklin Tl | 1936 | Culvert | 23 ft | 23,105 | Fair |
| NH125 over North River No. 007801460011100 | Rockingham County | 0.1 Mi. S. Jct. 155 | 1977 | Culvert | 42 ft | 16,805 | Good |
| US 3 Nh 28 over Heads Pond No. 012801000016600 | Merrimack County | 0.7 MI S of Allenstown Tl | 1981 | Culvert | 23 ft | 16,478 | Fair |
| US 1 Bypass over Hodgson Brook No. 021701920010600 | Rockingham County | 0.3 MI JCT I-95 | 1940 | Culvert | 45 ft | 16,307 | Good |
| Nh 28 S Willow ST over Cohas Brook No. 016101900010000 | Hillsborough County | 1.2 MI N Londonderry Tl | 1989 | Culvert | 37 ft | 16,239 | Fair |
| NH111 over Spicket River No. 006301730005400 | Rockingham County | 0.3 MI W Atkinson Tl | 1978 | Culvert | 21 ft | 16,196 | Good |
| I-95 Ramps over Hodgson Brook No. 021701900011800 | Rockingham County | SP Tpk I-95 Interchange | 1956 | Culvert | 34 ft | 16,022 | Fair |
| I-93 Ebs Ramp over Cohas Brook No. 016101790012500 | Hillsborough County | 1.6 MI E JCT RTE 28 | 1962 | Culvert | 40 ft | 14,597 | Good |
| Nh 16 SP Tpk over Jones Access Road No. 017301240011600 | Strafford County | 6.6 MI N of Rochester Tl | 1980 | Culvert | 33 ft | 14,518 | Good |
| I-93 NB over Salmon Brook No. 023101270009900 | Belknap County | 3.4 MI Tilton Tl | 1962 | Culvert | 28 ft | 14,262 | Fair |
| I-93 SB over Salmon Brook No. 023101240009600 | Belknap County | 3.3MI F. Tilton T.L. | 1962 | Culvert | 28 ft | 14,217 | Fair |
| NH111 over Beaver Brook No. 028000420008200 | Rockingham County | At Hudson Tl | 1961 | Culvert | 38 ft | 14,203 | Good |
| Harris Road over Salmon Brook No. 017701210007100 | Hillsborough County | .1 MI W of E Dunstable RD | 1955 | Culvert | 22 ft | 13,964 | Fair |
| US302 Nh 16 over Artist Falls Brook No. 005400790006300 | Carroll County | 6.2 MI from Albany Tl | 1900 | Culvert | 26 ft | 13,702 | Good |
| NH106 over Shaker Brook No. 015501000011400 | Merrimack County | 4.0 MI N Concord Tl | 1951 | Culvert | 31 ft | 13,249 | Fair |
| Nh 12 over Troy Brook No. 025101660017100 | Cheshire County | 0.4 MI N to Keene T.L. | 1970 | Culvert | 27 ft | 13,156 | Fair |
| US202 Nh 11 over Salmon Falls River No. 022200790014400 | Strafford County | Maine Sl | 1945 | Culvert | 82 ft | 13,084 | Fair |
| US 3 over Baboosic Brook No. 016801180013500 | Hillsborough County | 5.9 MI N Nashua Tl | 1933 | Culvert | 30 ft | 13,024 | Poor |
| Nh 31 NH101 over Souhegan River No. 027701190011600 | Hillsborough County | 1.4 MI from Milford Tl | 1954 | Culvert | 71 ft | 12,472 | Fair |
| US 4 over Stony Brook No. 014401670010600 | Grafton County | 2.8 Mi. from Enfield T.L. | 1966 | Culvert | 34 ft | 12,439 | Fair |
| NH125 over Exeter River No. 002900710006400 | Rockingham County | .03 MI FR Nh 111 a | 1960 | Culvert | 38 ft | 12,023 | Fair |
| Nh 16 Nh 25 over Chocorua River No. 020401230032400 | Carroll County | 0.8 Mi. Tamworth T.L. | 1955 | Culvert | 27 ft | 11,700 | Good |
| I-93 Parkway over Ped Underpass No. 014800880011200 | Grafton County | 7.4MI No Woodstock T.L. | 1985 | Culvert | 28 ft | 11,599 | Good |
| I-93 Parkway over Walker Brook No. 014800920010900 | Grafton County | 7.3 MI N Woodstock T.L. | 1985 | Culvert | 31 ft | 11,599 | Fair |
| I-89 Nh 10 SB over Skinner Brook No. 010001070012500 | Sullivan County | 4.43 MI Springfield T.L. | 1972 | Culvert | 24 ft | 10,987 | Fair |
| I-89 Nh 10 SB over Miller Pond Road No. 010001070012800 | Sullivan County | 4.61 MI Springfield T.L. | 1972 | Culvert | 30 ft | 10,987 | Good |
| I-89 Nh 10 SB over Stony Brook No. 010001100014300 | Sullivan County | 5.06 MI Springfield Tl | 1972 | Culvert | 21 ft | 10,987 | Good |
| I-89 Nh 10 NB over Skinner Brook No. 010001060011600 | Sullivan County | 3.95 MI Springfield T.L. | 1959 | Culvert | 36 ft | 10,804 | Fair |
| I-89 Nh 10 NB over Miller Pond Road No. 010001080012800 | Sullivan County | 4.6 MI from Springfield T | 1959 | Culvert | 30 ft | 10,804 | Fair |
| Nh 3A over Wildlife Stream No. 016102340007800 | Hillsborough County | 0.1 Mi. South of Maar | 2011 | Culvert | 26 ft | 10,291 | Good |
| Nh 13 over Turkey River No. 005201800006300 | Merrimack County | 2.75MI E Bow Tl | 1960 | Culvert | 23 ft | 10,111 | Fair |
| NH120 over Mink Brook No. 011400630004700 | Grafton County | .3 Mi. from Lebanon Tl | 1969 | Culvert | 21 ft | 10,035 | Fair |
| Nh 11 NH103 over Ram Brook No. 019200810010300 | Sullivan County | 2.01 Mi. E. Claremont Tl | 2008 | Culvert | 31 ft | 9,959 | Good |
| I-89 SB over Stocker Brook No. 010001360006800 | Sullivan County | .81 MI Springfield Tl | 1967 | Culvert | 29 ft | 9,692 | Fair |
| I-89 NB over Stocker Brook No. 010001370006900 | Sullivan County | 0.81 MI Springfield Tl | 1967 | Culvert | 29 ft | 9,480 | Fair |
| NH140 over Tioga River No. 019601520015000 | Merrimack County | 0.1 MI W Belmont Tl | 1968 | Culvert | 41 ft | 9,196 | Good |
| Allds Street over Salmon Brook No. 017701370009500 | Hillsborough County | .2 MI E of Main ST | 1892 | Culvert | 36 ft | 9,118 | Fair |
| Nh 12 over S Branch Ashuelot River No. 025800800013400 | Cheshire County | 2.2MI to Troy Center | 1983 | Culvert | 34 ft | 8,976 | Good |
| Nh 12 over S Branch Ashuelot River No. 025800820012800 | Cheshire County | 2.2MI to Troy Center | 1983 | Culvert | 34 ft | 8,976 | Fair |
| North/South Local over Artist Falls Brook No. 005400780006500 | Carroll County | At Artists Falls Brook | 1930 | Culvert | 25 ft | 8,975 | Good |
| Nh 11 Nh 12 over Little Sugar River No. 004200690009600 | Sullivan County | 2.2 Mi. from Claremont Tl | 1964 | Culvert | 27 ft | 7,934 | Fair |
| US202 over Outlet Pratt Pond No. 020800490003900 | Hillsborough County | 0.4 MI Jaffrey Tl | 1956 | Culvert | 30 ft | 7,682 | Fair |
| Lund Road over Salmon Brook No. 017701230007600 | Hillsborough County | .1 MI W of E Dunstable RD | 1950 | Culvert | 36 ft | 7,604 | Fair |
| Nh 16 over Chocorua River No. 025200370016600 | Carroll County | 7.1 MI from Ossipee T.L. | 1939 | Culvert | 22 ft | 7,502 | Good |
| I-93 SB over Hubbard Brook No. 025401520007300 | Grafton County | 1.9 MI S Woodstock Tl | 1970 | Culvert | 38 ft | 7,263 | Fair |
| Nh 11 over Otter Pond Outlet No. 024701210016500 | Sullivan County | 0.5 Mi. from New London T | 1954 | Culvert | 24 ft | 7,212 | Fair |
| I-93 SB over Eastman Brook No. 028402030007900 | Grafton County | 2.51 MI Thornton Tl | 1972 | Culvert | 42 ft | 7,166 | Good |
| I-93 NB over Hubbard Brook No. 025401530007400 | Grafton County | 1.3 MI S Woodstock Tl | 1970 | Culvert | 38 ft | 7,102 | Fair |
| Nh 9 over Island Pond Outlet No. 024201540008200 | Cheshire County | 2.2 Mi. W. Antrim Tl | 1964 | Culvert | 20 ft | 7,040 | Fair |
| I-93 NB over Eastman Brook No. 028402040007900 | Grafton County | 2.51 MI Thornton Tl | 1972 | Culvert | 40 ft | 7,017 | Good |
| NH122 Amherst ST over Beaver Brook No. 000701370010400 | Hillsborough County | 2.15 MI NE Milford Tl | 1940 | Culvert | 23 ft | 6,868 | Fair |
| NH101 over Mud Pond No. 006601800010200 | Cheshire County | 1.8 MI NW Peterborough Tl | 1966 | Culvert | 23 ft | 6,847 | Fair |
| Nh 12 over Mill Brook No. 027201250012200 | Cheshire County | 2.5 MI to Walpole Tl | 1948 | Culvert | 30 ft | 6,478 | Fair |
| Nh 12 over Mill Brook No. 027201590012500 | Cheshire County | 4.3 MI to Walpole Tl | 1941 | Culvert | 21 ft | 6,478 | Poor |
| Gulf Road over Fresh Creek No. 006501690013000 | Strafford County | 1.5 Mi. from Jct. Rte. 4 | 1948 | Culvert | 21 ft | 5,853 | Fair |
| US202 over Moose Brook No. 011201480009100 | Hillsborough County | 1.0 MI Greenfield Tl | 1959 | Culvert | 25 ft | 5,847 | Fair |
| Maplewood Avenue over North Mill Pond No. 021702310010300 | Rockingham County | 0.2 MI E JCT US 1 Bypass | 1940 | Culvert | 25 ft | 5,829 | Poor |
| Nh 43 over North Branch River No. 003701490012100 | Rockingham County | .3 MI from Raymond Tl | 1961 | Culvert | 23 ft | 5,654 | Fair |
| Nh 11 over Nhrr(abd) No. 000800570010300 | Merrimack County | 1.4 Miles from Wilmot T/L | 2010 | Culvert | 22 ft | 5,615 | Good |
| Nh 13 over Nissitissit River No. 003400830007600 | Hillsborough County | .9 MI from Mass. S.L. | 1947 | Culvert | 31 ft | 5,547 | Fair |
| Washington Street over CSX No. 006501200011800 | Strafford County | 0.7 MI from JCT NH9 | 1907 | Culvert | 28 ft | 5,525 | Fair |
| NH112 over Pine Bend Brook No. 015352280008700 | Grafton County | 1.0 MI NW Waterville T.L. | 1948 | Culvert | 22 ft | 5,352 | Good |
| South Road over Beaver Brook No. 015401550006400 | Rockingham County | 2.6 MI FR Hudson Tl | 1970 | Culvert | 23 ft | 5,285 | Good |
| Nh 25 NH113 over Sanger Brook No. 025201520009700 | Carroll County | 3.4 MI from Ossipee Tl | 1986 | Culvert | 27 ft | 5,272 | Good |
| I-93 over Black Brook No. 008700890010700 | Grafton County | 2.8 MI Sugarhill Tl | 1959 | Culvert | 30 ft | 5,250 | Fair |
| US 2 over Moose River No. 021801050005400 | Coos County | 3.6 MI from Jefferson Tl | 1966 | Culvert | 23 ft | 5,195 | Good |
| US 2 over Cold Brook No. 021801220006100 | Coos County | 4.5 MI from Jefferson Tl | 1966 | Culvert | 31 ft | 5,195 | Fair |
| US 2 over Snyder Brook No. 021801360006400 | Coos County | 5.1 MI from Jefferson Tl | 1966 | Culvert | 28 ft | 5,195 | Fair |
| US202 NH123 over Ferguson Brook No. 011201320004300 | Hillsborough County | .07 Mi. from Peterboro Tl | 1959 | Culvert | 25 ft | 5,082 | Fair |
| US 2 over Stag Hollow Brook No. 013501460008700 | Coos County | 2.5 MI from Randolph Tl | 1969 | Culvert | 22 ft | 5,009 | Fair |
| Ridge Road over Salmon Brook No. 017701040003500 | Hillsborough County | .5 MI W of E Dunstable RD | 1998 | Culvert | 26 ft | 4,876 | Good |
| NH132 over Williams Brook No. 019600980013100 | Merrimack County | 0.8 MI Tilton Tl | 1960 | Culvert | 21 ft | 4,841 | Good |
| Nh 25 over Halls Brook No. 022501050006300 | Grafton County | 200 Ft from Nh RTE 25 | 1964 | Culvert | 22 ft | 4,826 | Fair |
| Nh 12 over Tarbell Brook No. 008501910003700 | Cheshire County | 0.5 MI from Mass Sl | 1958 | Culvert | 21 ft | 4,755 | Fair |
| Goffs Falls Road over Csx(abd) No. 016101880009200 | Hillsborough County | 0.3 MI West JCT Nh 28 | 2021 | Culvert | 26 ft | 4,712 | Good |
| Nh 31 over Souhegan River No. 027700770005200 | Hillsborough County | .3 MI from Greenville Tl | 1951 | Culvert | 59 ft | 4,552 | Fair |
| NH119 over Converseville Brook No. 022101530007200 | Cheshire County | 3.5 MI to Mass Sl | 1966 | Culvert | 20 ft | 4,372 | Fair |
| US302 over Brook No. 001701280010600 | Carroll County | 3.8 Mi. from N.H. 16 | 1961 | Culvert | 21 ft | 4,065 | Fair |
| US302 over Nhrr(conway Scenic Line) No. 001701890012400 | Carroll County | 2.1 MI SW JCT Nh 16 | 2008 | Culvert | 86 ft | 4,065 | Good |
| Nh 1A over Little River No. 019702320004200 | Rockingham County | 50 Feet South NH111 | 2000 | Culvert | 26 ft | 3,933 | Good |
| NH101E Winnacunnet over Eel Creek No. 011102470012000 | Rockingham County | .2 MI West JCT Nh 1A | 1997 | Culvert | 24 ft | 3,902 | Fair |
| US302 over Crawford Brook No. 003902020016300 | Coos County | 2.4MI E Harts Locat.T/L | 1965 | Culvert | 22 ft | 3,842 | Fair |
| Westville Road over Little River No. 021401220007200 | Rockingham County | 0.6 Mi. RTE.125 | 2019 | Culvert | 30 ft | 3,826 | Good |
| Nh 25 over Stony Brook No. 025201660013400 | Carroll County | 5.4 MI from Ossipee Tl | 1986 | Culvert | 21 ft | 3,793 | Fair |
| Nh 10 over Clark Brook No. 011701250013000 | Grafton County | 4.6 MI N. Piermont T.L. | 1940 | Culvert | 20 ft | 3,734 | Good |
| Maple Ave over Black Brook No. 013600900010100 | Cheshire County | Downtown Keene | 1961 | Culvert | 23 ft | 3,502 | Poor |
| Tinker Road over Pennichuck Reservoir No. 016800930003900 | Hillsborough County | At Nashua Tl | 1999 | Culvert | 24 ft | 3,502 | Good |
| Bodwell Road over Cohas Brook No. 016101860013400 | Hillsborough County | 0.1 MI E from I-93 NB | 1962 | Culvert | 35 ft | 3,494 | Fair |
| NH127 over Tail Race No. 012900590011100 | Merrimack County | 1.1 Mile N JCT US202 Nh 9 | 1900 | Culvert | 26 ft | 3,434 | Fair |
| Nh 16 over Nineteen Mile Brook No. 010250960013600 | Coos County | 1.4MI Pinkhams Grant Tl | 1954 | Culvert | 35 ft | 3,350 | Fair |
| Nh 16 over Peabody River No. 020950740008100 | Coos County | 2.3 MI Jackson Tl | 1960 | Culvert | 23 ft | 3,350 | Fair |
| Arch Street over Black Brook No. 013600900008400 | Cheshire County | 2.3 MI NE from JCT Nh 9 | 1992 | Culvert | 28 ft | 3,131 | Good |
| US 3 over Carroll Stream No. 003900950006300 | Coos County | 3.4 MI S Whitefield T/L | 1957 | Culvert | 22 ft | 3,116 | Good |
| US302 Nh 10 over Mill Brook No. 014200670017300 | Grafton County | 0.1 MI East of Bath Tl | 1930 | Culvert | 24 ft | 3,081 | Fair |
| US 3 over Sl&arr No. 019800700009300 | Coos County | 2.2 MI from Stratford Tl | 1959 | Culvert | 68 ft | 3,019 | Fair |
| US 3 over Stratford Bog Brook No. 024401040006700 | Coos County | 0.9 MI Northumberland Tl | 2001 | Culvert | 51 ft | 3,019 | Good |
| NH104 over Bog Pond Brook No. 005801520012800 | Merrimack County | 2.4 MI SW Hill Tl | 1930 | Culvert | 20 ft | 2,913 | Fair |
| Nh 10 over Grant Brook No. 015700750010600 | Grafton County | 3.1 MI from Hanover Tl | 1958 | Culvert | 30 ft | 2,894 | Good |
| Nh 49 over Smarts Brook No. 025402320017600 | Grafton County | 0.6 MI W of Waterville Tl | 1977 | Culvert | 47 ft | 2,828 | Good |
| Deerfield Road over Bear Brook No. 000401290010300 | Merrimack County | 1.3 MI NE JCT 28 | 1980 | Culvert | 20 ft | 2,759 | Fair |
| I-93 NB over Indian Creek No. 024552180012800 | Grafton County | 0.9 MI Franconia Tl | 1972 | Culvert | 31 ft | 2,724 | Good |
| Nh 87 over Lamprey River Overflow No. 007801500006900 | Rockingham County | 1.25 MI SE JCT Nh 125 | 2004 | Culvert | 26 ft | 2,689 | Good |
| Nh 11 over Sucker Brook No. 000802080013700 | Merrimack County | 0.4 MI from Franklin T.L. | 1929 | Culvert | 28 ft | 2,674 | Poor |
| Nh 11 over Sucker Brook No. 000802120013800 | Merrimack County | .3 MI from Franklin T.L. | 1929 | Culvert | 28 ft | 2,674 | Poor |
| US 4 over Indian River No. 003601860007600 | Grafton County | 5.7 MI from Enfield Tl | 1942 | Culvert | 41 ft | 2,636 | Fair |
| I-93 SB over Indian Creek No. 024552170012600 | Grafton County | 0.7 MI S Bethlehem Tl | 1959 | Culvert | 31 ft | 2,632 | Fair |
| US202 Nh 9 over Ash Brook No. 005201470002800 | Merrimack County | 1 MI from Currier RD | 1970 | Culvert | 30 ft | 2,610 | Poor |
| Water Street over Beaver Brook No. 013601420007100 | Cheshire County | 0.33 MI from Main ST | 2001 | Culvert | 20 ft | 2,595 | Good |
| Bodwell Road over Cohas Brook No. 016102090015500 | Hillsborough County | 0.3 MI N Londonderry Tl | 1984 | Culvert | 21 ft | 2,576 | Good |
| NH152 over Piscassic River No. 019001060008900 | Rockingham County | 2.3 MI E Lee Tl | 1946 | Culvert | 23 ft | 2,525 | Fair |
| Boston Post Road over Beaver Brook No. 000701240008700 | Hillsborough County | 1.6 MI Mont Vernon Tl | 1970 | Culvert | 20 ft | 2,515 | Fair |
| Nh 12A over Blow-Me-Down Brook No. 005500710013900 | Sullivan County | 1.6MI. from Plainfield Tl | 1959 | Culvert | 38 ft | 2,429 | Good |
| Nh 10 over Hewes Brook No. 015700560005800 | Grafton County | 0.5 MI from Hanover Tl | 1966 | Culvert | 28 ft | 2,327 | Good |
| Bluff Street over Hittytity Brook No. 022800940011900 | Rockingham County | 2.3 MI from Mass. Sl | 2013 | Culvert | 26 ft | 2,321 | Good |
| West Street over Ash Swamp Brook No. 013600970007100 | Cheshire County | 1.9 MI W.From Keene Ctr | 1990 | Culvert | 24 ft | 2,304 | Good |
| NH110 over Roaring Brook No. 019801040012000 | Coos County | 2.4 MI from Stark Tl | 1962 | Culvert | 34 ft | 2,294 | Fair |
| New Boston Road over Powwow River No. 013801160011300 | Rockingham County | 0.6 MI FR Nh RTE 117 | 2009 | Culvert | 22 ft | 2,286 | Good |
| Jenkins Road over Mcquade Brook No. 001901360006600 | Hillsborough County | 0.3 MI N. of Merr. T/L | 2012 | Culvert | 30 ft | 2,225 | Good |
| Bedford Road over Baboosic Brook No. 016800950016600 | Hillsborough County | 0.7 MI FR Bedford Tl | 2008 | Culvert | 34 ft | 2,225 | Good |
| Dunklee Road over Bow Bog Brook No. 002701820011300 | Merrimack County | 0.16 MI from RTE 3-A | 2006 | Culvert | 22 ft | 2,172 | Good |
| Nh 49 over Drakes Brook No. 026601240009300 | Grafton County | 4.5 Mi. E. of Thornton Tl | 1967 | Culvert | 29 ft | 2,074 | Good |
| US302 over Nancy Brook No. 011602010007200 | Carroll County | 8.3 MI Carroll Tl | 1978 | Culvert | 41 ft | 1,978 | Good |
| Nh 10 over Abbott Brook No. 016401170006700 | Cheshire County | 1.9 Mi. from Gilsum Tl | 1964 | Culvert | 22 ft | 1,869 | Good |
| NH109 over Pike Brook No. 003301240007900 | Carroll County | 0.3 MI JCT Rt 16 | 1974 | Culvert | 20 ft | 1,862 | Good |
| Nh 10 over Trout Brook No. 015700890014400 | Grafton County | 5.58 MI N of Hanover Tl | 1969 | Culvert | 28 ft | 1,862 | Fair |
| US 4 over Nhrr(abd) No. 009901300009400 | Grafton County | 3.8 MI from Orange Tl | 1941 | Culvert | 28 ft | 1,858 | Good |
| I-93 Rest Exit over Policy Brook No. 022800950005200 | Rockingham County | Rest Area Exit Road | 1967 | Culvert | 27 ft | 1,800 | Good |
| I-93 Rest Entrance over Policy Brook No. 022800980004900 | Rockingham County | Rest Area Entrance Road | 1967 | Culvert | 27 ft | 1,800 | Good |
| Base Station Road over Black Brook No. 005550670017900 | Coos County | 2.98 MI NE JCT RTE US 302 | 1934 | Culvert | 24 ft | 1,793 | Fair |
| Paradise Road over Wendell Brook No. 019201850011500 | Sullivan County | 170 Ft. Sunapee Tl | 1998 | Culvert | 26 ft | 1,792 | Good |
| Riverside Drive over Stony Brook No. 014401650010900 | Grafton County | .21 Mi. from Jct. US 4 | 1997 | Culvert | 40 ft | 1,736 | Good |
| NH118 over Berry Brook No. 026401210010100 | Grafton County | .1 Mi. from Jct. Nh 25 | 1950 | Culvert | 25 ft | 1,732 | Good |
| Whitten Road over Tucker Brook No. 017200690011800 | Hillsborough County | 1/4 Mile S of Savage RD | 1988 | Culvert | 22 ft | 1,730 | Fair |
| Purgatory Road over Purgatory Brook No. 017200730015400 | Hillsborough County | 0.2 MI FR Lyndeborough T | 1970 | Culvert | 23 ft | 1,716 | Fair |
| Chichester Road over Bee Hole Brook No. 015500610004400 | Merrimack County | 0.4 MI S Chichester Tl | 2006 | Culvert | 22 ft | 1,714 | Good |
| US 3 over Perry Stream Overflow No. 021001310005800 | Coos County | 5.0 MI East NH145 | 1996 | Culvert | 28 ft | 1,586 | Good |
| Nh 12A over Ox Brook No. 004200640009000 | Sullivan County | 1.0 MI NW JCT 12 and 12A | 2002 | Culvert | 28 ft | 1,429 | Good |
| Nh 10 over Jacobs Brook No. 020300750012600 | Grafton County | 3.4 MI from Lyme Tl | 1938 | Culvert | 38 ft | 1,375 | Fair |
| Prescott Road over Salmon Brook No. 023101100006500 | Belknap County | 250FT. Rte. 127 | 1969 | Culvert | 25 ft | 1,287 | Fair |
| Nh 10 over Eastman Brook No. 020900670009300 | Grafton County | 1.4 MI from Orford T.L. | 1952 | Culvert | 30 ft | 1,247 | Fair |
| NH123 over Warren Brook No. 000501100012900 | Cheshire County | 3.16 Mi. SE Jct. Nh 123-A | 2006 | Culvert | 23 ft | 1,124 | Good |
| Spaulding Ave over Canal No. 022200300009600 | Strafford County | 200 Ft from 030/097 | 2012 | Culvert | 52 ft | 1,013 | Good |
| East Milan Road over Stearns Brook No. 017002160005800 | Coos County | 1.4MI from Berlin Tl | 1982 | Culvert | 77 ft | 1,009 | Good |
| Nottingham Road over Lamprey River No. 006001490009800 | Rockingham County | 0.15 Mi. RTE 107 | 1978 | Culvert | 20 ft | 1,000 | Good |
| Bear Notch Road over Douglas Brook No. 000200840014900 | Carroll County | .53 MI N. JCT 112 | 1964 | Culvert | 32 ft | 985 | Good |
| Lockhaven Road over Crystal Lake Outlet No. 007701570013900 | Grafton County | 3.4 MI FR Grafton Tl | 1982 | Culvert | 45 ft | 942 | Good |
| Drewsville Road over Great Brook No. 014301120008400 | Sullivan County | 1.49 Mi. N. Walpole Tl | 1955 | Culvert | 31 ft | 883 | Fair |
| NH117 over Salmon Hole Brook No. 015001160010800 | Grafton County | 1.0 MI E. Jct. Rt. 302 | 1969 | Culvert | 35 ft | 882 | Good |
| Center Hill Road over Blakes Brook No. 007901180011600 | Merrimack County | 0.3MI NH9 | 2008 | Culvert | 36 ft | 852 | Good |
| Stage Road over Brook No. 009201060004100 | Belknap County | 0.25MI Loudon Tl | 2021 | Culvert | 24 ft | 836 | Good |
| East Surry Road over Sturtevant Brook No. 013601110013800 | Cheshire County | 1.0MI. Tl Surry | 2012 | Culvert | 20 ft | 829 | Good |
| Tuttle Road over Little River No. 014500970007400 | Strafford County | 0.10 MI FR Mast RD | 1959 | Culvert | 26 ft | 735 | Good |
| French Pond Road over Clark Brook No. 011701410009000 | Grafton County | 0.18 MI FR Blackmount RD | 1983 | Culvert | 25 ft | 723 | Fair |
| Second Nh Tpk over Brook No. 012200930004400 | Hillsborough County | 1.0 MI FR Antrim Tl | 1900 | Culvert | 30 ft | 721 | Fair |
| Second Nh Tpk over Brook No. 012200930004500 | Hillsborough County | 1.0 Mi. Antrim Tl | 1900 | Culvert | 28 ft | 721 | Good |
| Nh 25C over Eastman Brook No. 020901000010500 | Grafton County | 2.25 Mi. from Jct. Nh 10 | 1965 | Culvert | 26 ft | 693 | Good |
| Northwood Road over Buzzels Run Brook No. 024300850004000 | Strafford County | Town RD 1.1MI Norwd Tl | 2010 | Culvert | 25 ft | 662 | Good |
| Daisy Hill Road over Great Brook No. 014401410009300 | Grafton County | 0.09 MI FR Nh RTE 120 | 1955 | Culvert | 22 ft | 630 | Fair |
| Forest Road over Williams Brook No. 019600940013100 | Merrimack County | 0.10 MI FR Sargent ST | 1960 | Culvert | 23 ft | 582 | Good |
| Chesley Hill Road over Axe Handle Brook No. 022201520008600 | Strafford County | City ST | 2008 | Culvert | 47 ft | 579 | Good |
| Chubbuck Road over Riddle Brook No. 001901100014200 | Hillsborough County | .5 MI West of Wallace RD | 2013 | Culvert | 27 ft | 571 | Good |
| Magazine Street over Riddle Brook No. 001901110014100 | Hillsborough County | 0.4 MI South Wallace RD | 2013 | Culvert | 27 ft | 571 | Good |
| Magazine Street over Riddle Brook No. 001901120014000 | Hillsborough County | 0.2 MI from Jcksn Sq | 2013 | Culvert | 33 ft | 571 | Good |
| Greenfield Parkway over Riddle Brook No. 001901570006800 | Hillsborough County | .1 West of Liberty Hill R | 2000 | Culvert | 26 ft | 571 | Poor |
| Station Road over Chandler Brook No. 001901960012700 | Hillsborough County | 0.3 MI to JCT US 3 | 2007 | Culvert | 26 ft | 571 | Good |
| Brookview Drive over Beaver Brook No. 012801340003400 | Merrimack County | Hooksett | 2017 | Culvert | 32 ft | 571 | Good |
| Dupaw Gould Road over Lancy Brook No. 003400650008500 | Hillsborough County | 1.4 MI FR Mcintosh RD | 1987 | Culvert | 22 ft | 559 | Poor |
| Blackwater Road over Crystal Lake Brook No. 003601000004000 | Grafton County | 0.8 MI from Enfield Tl | 1988 | Culvert | 21 ft | 550 | Fair |
| Braemoor Woods RD over Spicket River Tributary No. 022801040007300 | Hillsborough County | 4 Tenths Mil East Nh 28 | 2006 | Culvert | 168 ft | 541 | Good |
| Airport Road over Airport Marsh Outlet No. 027401660009600 | Coos County | 0.6 MI FR Nh RTE 116 | 2009 | Culvert | 22 ft | 536 | Good |
| Webster Mills Road over Sanborn Brook No. 004601520014400 | Merrimack County | 0.8MI. Pittsfield Tl | 2006 | Culvert | 24 ft | 530 | Good |
| Century Lane over Colby Brook No. 015100650013100 | Hillsborough County | 1/10 East of Albuquerque | 2000 | Culvert | 29 ft | 511 | Good |
| Manter Mill Road over Cohas Brook No. 015400890018700 | Rockingham County | 0.25ML Junc. Old Derry RD | 2000 | Culvert | 34 ft | 511 | Good |
| Hunter Mill Way over Cohas Brook No. 015400930018600 | Rockingham County | .3 M South Old Derry RD | 2000 | Culvert | 34 ft | 511 | Good |
| Hounsell Avenue over Jewett Brook No. 009101630004800 | Belknap County | 0.1 MI South NH11A | 2005 | Culvert | 20 ft | 510 | Good |
| Bowman Drive over Black Brook No. 013600870010500 | Cheshire County | 450 Ft N Nh 12 | 1997 | Culvert | 34 ft | 510 | Good |
| Cascade Flats over Tinker Brook No. 009700860017500 | Coos County | 2 10th M. FR NH16 S. End | 2018 | Culvert | 23 ft | 510 | Good |
| Schoolhouse Lane over Mink Brook No. 011401080006600 | Grafton County | 0.9 MI from Greensboro R | 1981 | Culvert | 23 ft | 510 | Good |
| Old Nh 9 over Granite Lake Outlet No. 017800700011900 | Cheshire County | 0.7 MI from Stoddard Tl | 1932 | Culvert | 26 ft | 490 | Fair |
| Streeter Pond Road over Indian Creek No. 024552080012500 | Grafton County | 0.33MI Nh 18 | 2024 | Culvert | 25 ft | 484 | Good |
| Coakley Road over Hodgson Brook No. 021701910011000 | Rockingham County | 1 Mi. West of Bypass 1 | 1940 | Culvert | 36 ft | 480 | Poor |
| River Street over Saco River Overflow No. 001701090011400 | Carroll County | 0.50 M. from US302 | 2015 | Culvert | 23 ft | 473 | Good |
| Mill Road over Exeter River No. 002900600005400 | Rockingham County | .10 MI from Rt 111-A | 1967 | Culvert | 31 ft | 452 | Fair |
| River Road over Fogg Brook No. 003001700008900 | Grafton County | 3.89 MI N. of Jct. 104 | 1974 | Culvert | 20 ft | 436 | Fair |
| Cross Road over Catsbane Brook No. 004500770012200 | Cheshire County | Town RD | 1963 | Culvert | 23 ft | 421 | Fair |
| Stinson Lake Road over Stinson Brook No. 022501430015400 | Grafton County | 1.4 MI S Ellsworth Tl | 1936 | Culvert | 27 ft | 418 | Good |
| Goldmine Road over Stanley Brook No. 006601800007700 | Cheshire County | Town Rd. | 1985 | Culvert | 29 ft | 376 | Fair |
| River Road over Ox Brook No. 027200710008800 | Cheshire County | 1.8 MI Fr. Nh 63 | 1986 | Culvert | 24 ft | 367 | Good |
Counties with the most
| Hillsborough County | 57 |
| Grafton County | 54 |
| Merrimack County | 30 |
| Cheshire County | 29 |
| Rockingham County | 27 |
| Sullivan County | 22 |
| Coos County | 22 |
| Carroll County | 20 |
| Belknap County | 15 |
| Strafford County | 12 |
Looking for a specific bridge? Use the search on the New Hampshire page and filter by type.