Sullivan County, New Hampshire bridges
Sullivan County has 158 bridges and culverts in the National Bridge Inventory, the oldest built in 1845. 9 (6%) are rated poor. The most common type is stringer/multi-beam or girder (45%).
- Bridges
- 158
- Good
- 44%
- Fair
- 50%
- Poor
- 6%
- 9 bridges
- Average age
- 62 yrs
- Posted or closed
- 9
Map of bridges in Sullivan County
Green good, amber fair, red poor. Click a marker for details.Search bridges in Sullivan County
Type at least two characters, or pick a condition or type, to search every bridge in the county.
Condition
Good44%(70)
Fair50%(79)
Poor6%(9)
When they were built
Busiest
- Nh 11 NH103 over Sugar RiverFair13,248 vehicles/day
- Nh 11 NH103 over Sugar RiverGood12,792 vehicles/day
- I-89 Nh 10 SB over I-89 RampFair10,987 vehicles/day
- I-89 Nh 10 SB over Skinner BrookFair10,987 vehicles/day
- I-89 Nh 10 SB over Miller Pond RoadGood10,987 vehicles/day
Longest
- Fair
- Fair
- Poor
- Howe Hill Road over I-89Fair342 ft
- Nh 12A over Sugar RiverPoor281 ft
Oldest
- Fair
- Poor
- Squag City Road over Blow-Me-Down BrookFairBuilt 1877
- Colby Hill Road over Bloods BrookFairBuilt 1880
- Root Hill Road over Mill BrookFairBuilt 1883
All bridges in Sullivan County
Busiest first · showing 1–158 of 158| Bridge | Location | Built | Type | Length | Daily traffic | Condition |
|---|---|---|---|---|---|---|
| Nh 11 NH103 over Sugar River No. 004701320009700 | 4.4 MI from Vermont Sl | 1981 | Stringer/Multi-beam or Girder | 133 ft | 13,248 | Fair |
| Nh 11 NH103 over Sugar River No. 019201370009900 | 5.2 MI from Claremont Tl | 1985 | Stringer/Multi-beam or Girder | 108 ft | 12,792 | Good |
| I-89 Nh 10 SB over I-89 Ramp No. 010001020017400 | 0.1 MI Enfield Tl | 1959 | Frame | 62 ft | 10,987 | Fair |
| I-89 Nh 10 SB over Skinner Brook No. 010001070012500 | 4.43 MI Springfield T.L. | 1972 | Culvert | 24 ft | 10,987 | Fair |
| I-89 Nh 10 SB over Miller Pond Road No. 010001070012800 | 4.61 MI Springfield T.L. | 1972 | Culvert | 30 ft | 10,987 | Good |
| I-89 SB over Nh 10 No. 010001090013900 | 5.01 MI from Springfield | 1972 | Stringer/Multi-beam or Girder | 82 ft | 10,987 | Fair |
| I-89 Nh 10 SB over Stony Brook No. 010001100014300 | 5.06 MI Springfield Tl | 1972 | Culvert | 21 ft | 10,987 | Good |
| I-89 Nh 10 NB over I-89 Ramp No. 010001030017400 | 0.1 MI from Enfield Tl | 1972 | Frame | 62 ft | 10,804 | Fair |
| I-89 Nh 10 NB over Skinner Brook No. 010001060011600 | 3.95 MI Springfield T.L. | 1959 | Culvert | 36 ft | 10,804 | Fair |
| I-89 Nh 10 NB over Miller Pond Road No. 010001080012800 | 4.6 MI from Springfield T | 1959 | Culvert | 30 ft | 10,804 | Fair |
| I-89 NB over Nh 10 No. 010001100013800 | 4.9 MI from Springfield T | 1959 | Stringer/Multi-beam or Girder | 81 ft | 10,804 | Fair |
| I-89 NB over Nh 10 No. 010001170008300 | 2.1 MI from Springfield T | 1967 | Stringer/Multi-beam or Girder | 90 ft | 10,804 | Fair |
| Nh 10 Nh 11 NH103 over Sugar River No. 019201390010400 | 5.4MI from Claremont Tl | 1930 | Arch - Deck | 54 ft | 10,042 | Fair |
| Nh 11 NH103 over Ram Brook No. 019200810010300 | 2.01 Mi. E. Claremont Tl | 2008 | Culvert | 31 ft | 9,959 | Good |
| Nh 11 NH103 over Sugar River Ped Trail No. 019200850010100 | 2.2 MI from Claremont Tl | 1998 | Stringer/Multi-beam or Girder | 175 ft | 9,959 | Fair |
| I-89 SB over Nh 10 No. 010001160008200 | 2.1 MI from Springfield T | 1967 | Stringer/Multi-beam or Girder | 89 ft | 9,692 | Fair |
| I-89 SB over Stocker Brook No. 010001360006800 | .81 MI Springfield Tl | 1967 | Culvert | 29 ft | 9,692 | Fair |
| I-89 SB over NH114 No. 010001390006700 | 0.6 MI from Springfield T | 1967 | Stringer/Multi-beam or Girder | 60 ft | 9,692 | Good |
| I-89 SB over Stoney Brook Road No. 023900520005000 | 1.0 MI from Sunapee T.L. | 1967 | Stringer/Multi-beam or Girder | 69 ft | 9,692 | Fair |
| I-89 SB over Stoney Brook Road No. 023900700003900 | At Sunapee Tl | 1968 | Stringer/Multi-beam or Girder | 65 ft | 9,692 | Good |
| Nh 12 NH103 over Red Water Brook No. 004701060012000 | 2.3 MI from Vt. Sl | 1997 | Slab | 42 ft | 9,640 | Fair |
| I-89 NB over Stocker Brook No. 010001370006900 | 0.81 MI Springfield Tl | 1967 | Culvert | 29 ft | 9,480 | Fair |
| I-89 NB over NH114 No. 010001400006800 | 0.6MI from Springfield Tl | 1967 | Stringer/Multi-beam or Girder | 61 ft | 9,480 | Good |
| I-89 NB over Stoney Brook Road No. 023900530005000 | 1.1 MI from Sunapee T.L. | 1967 | Stringer/Multi-beam or Girder | 68 ft | 9,480 | Fair |
| I-89 NB over Stoney Brook Road No. 023900690004000 | 0.1 MI from Sunapee Tl | 1968 | Stringer/Multi-beam or Girder | 65 ft | 9,480 | Good |
| I-89 SB over Georges Mills Road No. 024701240017800 | 0.5MI from New London Tl | 1968 | Stringer/Multi-beam or Girder | 90 ft | 9,402 | Good |
| Nh 12 NH103 over Connecticut River No. 004700650013400 | Nh Vt Sl | 1969 | Stringer/Multi-beam or Girder | 678 ft | 9,277 | Fair |
| I-89 NB over Georges Mills Road No. 024701240017900 | 0.5 from New London T.L. | 1967 | Stringer/Multi-beam or Girder | 90 ft | 9,237 | Good |
| Nh 11 Nh 12 over Little Sugar River No. 004200690009600 | 2.2 Mi. from Claremont Tl | 1964 | Culvert | 27 ft | 7,934 | Fair |
| Nh 11 over Otter Pond Outlet No. 024701210016500 | 0.5 Mi. from New London T | 1954 | Culvert | 24 ft | 7,212 | Fair |
| Nh 11 over Sugar River No. 024701030010000 | 4.0 MI New London Tl | 1957 | Frame | 79 ft | 7,207 | Fair |
| Nh 10 over Stocker Brook No. 010001140006900 | 1.6 Mi. from Croydon Tl | 1936 | Frame | 30 ft | 6,896 | Fair |
| Nh 10 over Sawyer Brook No. 010001160008100 | 2.2 Mi. from Croydon Tl | 1968 | Frame | 22 ft | 6,896 | Fair |
| Nh 12 NH103 over Sugar River No. 004701220009800 | 3.8 MI from Vermont Sl | 1996 | Stringer/Multi-beam or Girder | 122 ft | 6,584 | Fair |
| Nh 11 over Connecticut River No. 004201350005200 | Nh Vt State Line | 1900 | Truss - Thru | 500 ft | 6,519 | Fair |
| Nh 11 over Sugar River No. 024700710008700 | 6.1 Mi. from New London T | 1957 | Frame | 41 ft | 5,968 | Good |
| Lovers Lane over Necrr No. 004201350005900 | .34 MI JCT N.H.12 | 1996 | Stringer/Multi-beam or Girder | 116 ft | 4,608 | Good |
| Nh 12 over Necrr No. 004201810005800 | 4.9 Mi. from Walpole Tl | 1959 | Frame | 67 ft | 3,937 | Good |
| Nh 10 over Croydon Branch Sugar R No. 005601130007000 | 0.06 Mi. from Newport Tl | 1973 | Stringer/Multi-beam or Girder | 131 ft | 3,612 | Fair |
| Nh 10 over Ash Swamp Brook No. 005601400012000 | 4.3 Mi. N. of Newport Tl | 1927 | Slab | 24 ft | 3,532 | Good |
| Nh 10 over Croydon Branch Sugar R No. 005601460012400 | 4.4 MI from Newport Tl | 1935 | Stringer/Multi-beam or Girder | 38 ft | 3,532 | Good |
| Nh 10 over Gunnison Brook No. 009800810011700 | 1.78 MI N Lempster Tl | 1975 | Frame | 25 ft | 2,873 | Fair |
| Nh 11 over Necrr No. 004201500005500 | 0.7 Mi. East Vt. Sl | 1965 | Stringer/Multi-beam or Girder | 145 ft | 2,864 | Fair |
| Bradford Road over Wendell Brook No. 024700710005200 | 0.15 Newport Tl | 2018 | Slab | 32 ft | 2,811 | Good |
| Cornish Toll Br RD over Connecticut River No. 005500640010800 | Vermont State Line | 1866 | Truss - Thru | 449 ft | 2,722 | Poor |
| NH120 over Bloods Brook No. 021301620010000 | 4.2 MI from Lebanon Tl | 1934 | Frame | 36 ft | 2,707 | Fair |
| Nh 12A over Blow-Me-Down Brook No. 005500710013900 | 1.6MI. from Plainfield Tl | 1959 | Culvert | 38 ft | 2,429 | Good |
| Main Street over Sugar River No. 024701110009900 | 115 Ft from Garnett ST | 1920 | Slab | 30 ft | 2,301 | Fair |
| NH120 over Redwater Brook No. 005501260004300 | 0.04 MI from Claremont Tl | 1956 | Frame | 23 ft | 2,300 | Good |
| NH103 over Sugar River No. 024700670007800 | 0.2 M W Newport T.L. | 1957 | Slab | 100 ft | 2,220 | Good |
| Nh 12A over Mill Brook No. 005500640009800 | 2.8 MI from Claremont Tl | 1937 | Stringer/Multi-beam or Girder | 66 ft | 2,087 | Good |
| NH120 over Blow-Me-Down Brook No. 005501720014800 | 0.8 MI from Plainfield Tl | 1933 | Frame | 35 ft | 2,052 | Fair |
| Nh 10 over S Branch Sugar River No. 009800830009600 | 0.6 MI from Lempster Tl | 1928 | Slab | 33 ft | 1,915 | Good |
| Cross Street over Sugar River No. 019201440010400 | 0.12 MI FR Sunapee ST | 1983 | Stringer/Multi-beam or Girder | 58 ft | 1,833 | Fair |
| Paradise Road over Wendell Brook No. 019201850011500 | 170 Ft. Sunapee Tl | 1998 | Culvert | 26 ft | 1,792 | Good |
| Nh 10 over Giles Brook No. 014601230017100 | 0.4 MI from Goshen Tl | 1934 | Slab | 24 ft | 1,745 | Fair |
| NH114 over Stocker Brook No. 010001170006900 | .1 Mi. East of Jct. Nh 10 | 1941 | Box Beam or Girders - Multiple | 46 ft | 1,542 | Good |
| NH114 over Stocker Brook No. 010001250006600 | .78 Mi. East of Jct. NH10 | 1929 | Slab | 30 ft | 1,542 | Good |
| Nh 12A over Ox Brook No. 004200640009000 | 1.0 MI NW JCT 12 and 12A | 2002 | Culvert | 28 ft | 1,429 | Good |
| Nh 12A over Little Sugar River No. 004200700009200 | 0.6 MI NW JCT 12 and 12A | 1984 | Stringer/Multi-beam or Girder | 36 ft | 1,429 | Fair |
| Nh 12A over Necrr No. 004200760009100 | 0.4 MI East Route 12 | 2000 | Stringer/Multi-beam or Girder | 109 ft | 1,429 | Good |
| Plains Road over Sugar River No. 004700910011800 | 0.1 MI JCT RTE 12 | 1974 | Stringer/Multi-beam or Girder | 194 ft | 1,376 | Poor |
| Citizens Street over Sugar River No. 004701130011300 | 100 Ft JCT RTE 12 | 1959 | Stringer/Multi-beam or Girder | 144 ft | 1,345 | Fair |
| NH123A over Cold River No. 000100700004200 | .42 Mi. from Langdon Tl | 1961 | Stringer/Multi-beam or Girder | 157 ft | 1,167 | Good |
| NH123A over Bowers Brook No. 000101140006300 | In S Acworth Village | 2018 | Slab | 38 ft | 1,167 | Good |
| Allen Road over Cold River No. 000101640011400 | .6 MI from Lempster Tl | 1975 | Slab | 43 ft | 1,167 | Good |
| Mountain Road over Ashuelot River No. 014601480006700 | 0.45 Mi. Tl Washington | 1936 | Stringer/Multi-beam or Girder | 30 ft | 1,167 | Fair |
| Stage Road over Blow-Me-Down Brook No. 021300830009800 | 0.7 MI from JCT 12A | 1961 | Frame | 34 ft | 1,167 | Good |
| Belknap Avenue over Sugar River No. 019201310010600 | 0.2 MI FR No. Main ST | 1974 | Stringer/Multi-beam or Girder | 92 ft | 1,141 | Fair |
| Nh 11 Ramp over Sugar River No. 024700690007900 | 0.1 MI from Newport Tl | 1923 | Tee Beam | 28 ft | 1,110 | Fair |
| Nh 12A over Nh 12 Necrr No. 004202430004500 | 2.1 Mi. from Walpole Tl | 1970 | Stringer/Multi-beam or Girder | 232 ft | 1,091 | Good |
| Nh 12A over Sugar River No. 004700720012700 | .1 Mi. from Jct. Rte. 103 | 1967 | Stringer/Multi-beam or Girder | 281 ft | 1,067 | Poor |
| Brook Road over Gunnison Brook No. 009800850011700 | .05 MI NE of JCT Nh 10 | 1940 | Slab | 29 ft | 1,012 | Fair |
| Brook Road over Gunnison Brook No. 009800870012000 | .32 MI NE of JCT Nh 10 | 1940 | Stringer/Multi-beam or Girder | 32 ft | 1,012 | Fair |
| Brook Road over Gunnison Brook No. 009800900012300 | .47 MI N E of JCT Nh 10 | 1945 | Slab | 23 ft | 1,012 | Fair |
| Pollards Mills RD over So Br Sugar River No. 019201390007600 | 0.8 MI RTE 10 | 2003 | Stringer/Multi-beam or Girder | 74 ft | 963 | Good |
| Nh 12A over Great Brook No. 014301170010100 | 1.0 MI from Charlestown T | 1949 | Stringer/Multi-beam or Girder | 55 ft | 957 | Fair |
| Oak Street over Sugar River No. 019201290011500 | 0.5 MI FR No. Newport RD | 1979 | Stringer/Multi-beam or Girder | 96 ft | 890 | Fair |
| Drewsville Road over Great Brook No. 014301120008400 | 1.49 Mi. N. Walpole Tl | 1955 | Culvert | 31 ft | 883 | Fair |
| NH114 over Stocker Pond Outlet No. 010001400006900 | .67 Mi. SW Springfield Tl | 1934 | Slab | 28 ft | 715 | Good |
| Town House Road over Mill Brook No. 005501000009900 | 2.4 Mi. from Jct. 12-A | 1940 | Frame | 24 ft | 641 | Fair |
| Town House Road over Geer Brook No. 005501240009400 | 3.75 Mi. from Jct. 12-A | 1981 | Slab | 23 ft | 641 | Good |
| Oak Street over Sugar River No. 019201030013600 | 0.4 MI FR No. Newport RD | 2019 | Stringer/Multi-beam or Girder | 125 ft | 585 | Good |
| Stage Road over Blow-Me-Down Brook No. 021300960007900 | 2.0 MI SE JCT 12A | 1954 | Stringer/Multi-beam or Girder | 73 ft | 574 | Poor |
| Pine Hill Road over Croydon Branch Sugar R No. 005601430012000 | 0.1 MI Nh 10 | 1989 | Stringer/Multi-beam or Girder | 75 ft | 562 | Good |
| Lower Main Street over Sugar River No. 024700940010000 | 0.3 MI FR Nh RTE 11 | 1900 | Slab | 26 ft | 557 | Good |
| Corbin Bridge Road over Croydon Branch Sugar R No. 019201160014200 | .69 MI JCT Nh 10 | 1845 | Truss - Thru | 104 ft | 545 | Fair |
| Bridge Street over Necrr No. 004201520005300 | 100 Ft from Nh RTE 12 | 1992 | Stringer/Multi-beam or Girder | 72 ft | 534 | Poor |
| Thrasher Road over Red Water Brook No. 004701060012800 | 1.4MI NH12 | 1900 | Slab | 27 ft | 505 | Good |
| High Street over Sugar River No. 024701080009900 | 0.3 Mi. RTE.103B | 1920 | Slab | 27 ft | 505 | Fair |
| Nh 31 over Ashuelot River No. 026500930015200 | 1.85 Mi. S. Goshen Tl | 1935 | Stringer/Multi-beam or Girder | 33 ft | 494 | Fair |
| Bean Road over Bloods Brook No. 021301720010700 | 45 Ft from Nh RTE 120 | 1969 | Slab | 28 ft | 481 | Good |
| NH123A over Cold River No. 000101240005700 | 4.16 Mi. from Langdon Tl | 1961 | Stringer/Multi-beam or Girder | 158 ft | 369 | Good |
| Crane Brook Road over Cold River No. 014301610010500 | 0.5MI West of Acworth Tl | 1964 | Stringer/Multi-beam or Girder | 94 ft | 369 | Fair |
| Cold Pond Road over Little Sugar River No. 026000920004000 | 2.3 Mi. Acworth Tl | 1930 | Stringer/Multi-beam or Girder | 38 ft | 317 | Fair |
| Lear Hill Road over S Branch Sugar River No. 009800760011900 | 220 Ft.Fr. Nh RTE 10 | 1991 | Stringer/Multi-beam or Girder | 55 ft | 309 | Good |
| Daniels Road over Blow-Me-Down Brook No. 021300760009500 | 0.4 MI from Nh RTE 12A | 2002 | Stringer/Multi-beam or Girder | 35 ft | 293 | Good |
| Red Water Brook RD over Red Water Brook No. 004701080013600 | 0.9MI NH11 | 1925 | Stringer/Multi-beam or Girder | 25 ft | 211 | Fair |
| Stage Road over Little Sugar River No. 026000670004600 | 2.9 Mi. Charlestown Tl | 1999 | Slab | 29 ft | 210 | Good |
| Croydon Brook Road over Beaver Brook No. 005601070006800 | 0.5 MI Newport Tl | 1974 | Frame | 26 ft | 178 | Good |
| Sand Hill Road over Brook No. 019201540012900 | 1.4 Mi. Croydon Tl | 1984 | Slab | 37 ft | 157 | Good |
| Forest Road over Cold River No. 000100840004200 | 1.06 MI from Langdontl | 1974 | Stringer/Multi-beam or Girder | 75 ft | 153 | Fair |
| Center Road over Mill Brook No. 005501070011800 | 3.5 MI N of NH12A | 1950 | Stringer/Multi-beam or Girder | 24 ft | 149 | Fair |
| Westgate Road over Blow-Me-Down Brook No. 021300740008700 | 0.5 Mi. RTE.12A | 1981 | Culvert | 24 ft | 143 | Fair |
| Colby Hill Road over Bloods Brook No. 021301570012100 | 175 Ft FR Bloodbrook RD | 1880 | Stringer/Multi-beam or Girder | 82 ft | 137 | Fair |
| Hell Hollow Road over Blow-Me-Down Brook No. 021300980007600 | 0.2 MI from Cornish Tl | 1975 | Culvert | 24 ft | 132 | Fair |
| Mill Village Road over Mill Brook No. 005500740009300 | 0.03 MI FR Stage Road | 1969 | Culvert | 48 ft | 126 | Good |
| Cooper Street over Otter Pond Outlet No. 024701220016300 | 255FT. RTE.11 | 1920 | Stringer/Multi-beam or Girder | 28 ft | 125 | Fair |
| Leavitt Hill Road over Blow-Me-Down-Brook No. 005501750014300 | 1.4 MI FR Corbin Park | 1950 | Stringer/Multi-beam or Girder | 23 ft | 112 | Poor |
| River Road over Cold River No. 000101590008600 | 0.97 MI No JCT Nh 123A | 1929 | Stringer/Multi-beam or Girder | 39 ft | 105 | Fair |
| River Road over Dodge Brook No. 000101610008100 | .67 Mi. N. Jct. Nh 123-A | 1933 | Stringer/Multi-beam or Girder | 30 ft | 105 | Good |
| Beryl Mt Road over Cold River No. 000101100006500 | 0.04 MI from RTE 123-A | 1977 | Slab | 48 ft | 96 | Fair |
| Echo Valley Road over Cold River No. 000101360005700 | 161 Ft FR Nh RTE 123A | 2006 | Other | 60 ft | 96 | Good |
| Grout Hill Road over Cold River No. 000101470006700 | 202 Ft from JCT NH123A | 1930 | Stringer/Multi-beam or Girder | 60 ft | 96 | Poor |
| Fling Road over Clay Brook No. 004201550006200 | .35 Mi. East of Route 12 | 2011 | Slab | 30 ft | 96 | Good |
| Old State Road over Jabes Meadow Brook No. 004202530004800 | 0.3 MI S JCT Nh 12A | 1993 | Stringer/Multi-beam or Girder | 29 ft | 96 | Fair |
| Strand Road over Red Water Brook No. 004701240016400 | Town RD | 1991 | Culvert | 24 ft | 96 | Good |
| Red Water Brook RD over Red Water Brook No. 004701340016700 | 0.3 MI Nh 120 | 1935 | Tee Beam | 32 ft | 96 | Fair |
| Whitewater Bk RD over Red Water Brook No. 004701500016400 | 0.3 MI Cornish Tl | 1930 | Tee Beam | 33 ft | 96 | Fair |
| Thrasher Road over Blow-Me-Down Brook No. 005500760016800 | 0.2 MI from Plainfield T | 1996 | Stringer/Multi-beam or Girder | 55 ft | 96 | Good |
| Tandy Brook Road over Mill Brook No. 005500890008200 | 2.1 MI FR Claremont Tl | 1955 | Stringer/Multi-beam or Girder | 37 ft | 96 | Fair |
| Ball Park Road over Trow Brook No. 009800800008300 | 0.09MI. Lempster Tl | 1930 | Stringer/Multi-beam or Girder | 27 ft | 96 | Fair |
| Mummery Road East over Cold Brook No. 009800830009000 | 35FT RTE 10 | 1940 | Culvert | 21 ft | 96 | Fair |
| Cross Road over Gunnison Brook No. 009801050012900 | At JCT of Brook RD | 2013 | Slab | 41 ft | 96 | Good |
| Cote Road over Croydon Branch No. 010001000004800 | 0.09MI. RTE 10 | 1991 | Culvert | 32 ft | 96 | Fair |
| Miller Pond Road over Skinner Brook No. 010001050012800 | Town RD | 1964 | Slab | 33 ft | 96 | Good |
| Olde Farms Road over Skinner Brook No. 010001070011300 | 0.06MI. RTE 10 | 2015 | Frame | 26 ft | 96 | Good |
| Old Nh 10 over Skinner Brook No. 010001160009300 | 3.11 Mi. N. of Croydon Tl | 1930 | Tee Beam | 48 ft | 96 | Fair |
| Cold River Road over Great Brook No. 014301010006400 | 0.5MI Walpole Tl | 1982 | Stringer/Multi-beam or Girder | 49 ft | 96 | Good |
| Hemlock Road over Great Brook No. 014301210010400 | 100 Ft from Main ST | 1940 | Culvert | 20 ft | 96 | Fair |
| Keyes Hollow Road over Cold River No. 014600550015100 | 1.5 Mi. Tl Acworth | 2014 | Frame | 30 ft | 96 | Good |
| Olds Road over Dodge Brook No. 014600960008100 | 0.3 MI E Nh 10 | 2022 | Slab | 39 ft | 96 | Good |
| Coon Brook Road over So Br Sugar River No. 019201470003600 | 390 Ft from Nh 10 | 1960 | Stringer/Multi-beam or Girder | 49 ft | 96 | Good |
| Paradise Road over Sugar River No. 019201770011700 | 380 Ft. RTE.11 | 1976 | Stringer/Multi-beam or Girder | 39 ft | 96 | Poor |
| Farm Road over Blow-Me-Down Brook No. 021301220009000 | 45 Ft from Stage RD NO41 | 1940 | Slab | 27 ft | 96 | Good |
| Cutler Road over Bloods Brook No. 021301280016200 | 175 Ft FR Bloodbrook RD | 1940 | Stringer/Multi-beam or Girder | 31 ft | 96 | Fair |
| Ladieu Road over Bloods Brook No. 021301310015200 | 55 Ft FR Houser LN | 1920 | Slab | 30 ft | 96 | Fair |
| Camp Road over Newton Brook No. 021301770009600 | 1.3 MI from Cornish Tl | 2018 | Slab | 35 ft | 96 | Fair |
| Treatment Road over Sugar River No. 024700830008800 | 0.06 MI N Nh 11 | 2009 | Culvert | 30 ft | 96 | Good |
| Winn Hill Road over Sugar River No. 024700970010000 | 2.1 Mi. Croydon Tl | 1910 | Stringer/Multi-beam or Girder | 25 ft | 96 | Fair |
| Stage Road over Little Sugar River No. 026000350007400 | 0.2 Mi. Charlestown Tl | 1980 | Stringer/Multi-beam or Girder | 30 ft | 96 | Poor |
| Stage Road over Little Sugar River No. 026000490005700 | 1.5 Mi. Charlestown Tl | 2008 | Stringer/Multi-beam or Girder | 96 ft | 96 | Good |
| Neal Mine Road over Little Sugar River No. 026000620004600 | 80 Ft from Stage Road 72 | 2011 | Stringer/Multi-beam or Girder | 69 ft | 96 | Fair |
| Church Road over Chase Brook No. 026000740006600 | 0.19 MI FR West Unity in | 2012 | Frame | 22 ft | 96 | Good |
| Quaker City Road over Little Sugar River No. 026000860003900 | 0.4 Mi. Acworth Tl | 1930 | Slab | 38 ft | 96 | Good |
| South Slack RD over Little Sugar River No. 026001010004600 | 1.4 MI from Acworth Tl | 1991 | Slab | 30 ft | 96 | Good |
| Old Cheshire CO RD over Spring Brook No. 026002050009800 | 0.1 MI E Unity Springs RD | 2013 | Frame | 26 ft | 96 | Good |
| Valley Road over Highland Lake Inlet No. 026501260003900 | 150 Southeast of Cove Ro | 2015 | Slab | 37 ft | 96 | Good |
| Mill Street over Halfmoon Pond Outlet No. 026501310007500 | 0.23 MI Nh 31 | 2012 | Slab | 37 ft | 96 | Good |
| Halfmoon Pond RD over Halfmoon Pond Outlet No. 026501310008300 | 0.55 MI Nh 31 | 2009 | Slab | 43 ft | 96 | Good |
| Dole School Hs RD over Highland Lake Outlet No. 026501650004100 | 0.09MI Nh 31 | 2012 | Slab | 37 ft | 96 | Good |
| Ayers Pond Road over Woodward Brook No. 026501860012600 | 0.7 MI FR East Wash. RD | 2020 | Slab | 36 ft | 96 | Good |
| Purling Beck Road over Beards Brook No. 026501980010600 | 0.04 MI FR East Wash. RD | 1920 | Stringer/Multi-beam or Girder | 33 ft | 96 | Fair |
| Howe Hill Road over I-89 No. 010001250007000 | 1.4 MI Springfield Tl | 1967 | Stringer/Multi-beam or Girder | 342 ft | 95 | Fair |
| Root Hill Road over Mill Brook No. 005500810009500 | 1.3 MI Nh 120 | 1883 | Truss - Thru | 78 ft | 92 | Fair |
| Platt Road over Blow-Me-Down Brook No. 005500700015500 | 0.9 MI FR Plainfield Tl | 1930 | Stringer/Multi-beam or Girder | 43 ft | 82 | Fair |
| Marlow Road over Ashuelot River No. 026500500004300 | Town RD 0.54 MI Marlow Tl | 1920 | Stringer/Multi-beam or Girder | 46 ft | 65 | Fair |
| Squag City Road over Blow-Me-Down Brook No. 005500710016800 | 80 Ft FR Plainfield Tl | 1877 | Truss - Thru | 89 ft | 19 | Fair |
Structure types in Sullivan County
| Stringer/Multi-beam or Girder | 71 | 44.9% |
| Slab | 35 | 22.2% |
| Culvert | 22 | 13.9% |
| Frame | 18 | 11.4% |
| Truss - Thru | 5 | 3.2% |
| Tee Beam | 4 | 2.5% |
| Arch - Deck | 1 | 0.6% |
| Box Beam or Girders - Multiple | 1 | 0.6% |
| Other | 1 | 0.6% |
Other counties in New Hampshire
- Belknap County 112
- Carroll County 193
- Cheshire County 194
- Coos County 189
- Grafton County 547
- Hillsborough County 385
- Merrimack County 326
- Rockingham County 309
- Strafford County 136