Truss - Thru bridges in New Hampshire
A truss that rises above the roadway, with traffic passing through the structure. New Hampshire has 50 of them, 2.0% of its bridges. Nationally this type accounts for 1.1% of all bridges.Compare states for this type.
- Truss - Thru bridges
- 50
- Poor condition
- 18%
- 9 bridges
- Average age
- 124.7 yrs
- Combined length
- 2 mi
Busiest truss - thru bridges in New Hampshire
Top 50 by daily traffic| Bridge | County | Location | Built | Type | Length | Daily traffic | Condition |
|---|---|---|---|---|---|---|---|
| I-95 over Piscataqua River No. 021702580012800 | Rockingham County | I-95 at Maine State Line | 1971 | Truss - Thru | 1,344 ft | 74,766 | Fair |
| NH119 over Connecticut River No. 012500410004000 | Cheshire County | At Vermont State Line | 1920 | Truss - Thru | 339 ft | 8,535 | Poor |
| NH119 over Connecticut River No. 012500420004400 | Cheshire County | 0.3 MI E Vermont Sl | 1920 | Truss - Thru | 297 ft | 8,535 | Poor |
| Nh 11 over Connecticut River No. 004201350005200 | Sullivan County | Nh Vt State Line | 1900 | Truss - Thru | 500 ft | 6,519 | Fair |
| US 3 Nh 25 over Baker River No. 021601410014300 | Grafton County | 4.3 MI FM Bridgewater Tl | 1930 | Truss - Thru | 172 ft | 4,355 | Fair |
| Sawyers Crossing over Ashuelot River No. 025101360014300 | Cheshire County | 1.71MI E JCT Nh 10 | 1859 | Truss - Thru | 159 ft | 4,250 | Good |
| Forest Road over Contoocook River No. 011201580006800 | Hillsborough County | 1.0 MI East of RTE 202 | 1937 | Truss - Thru | 88 ft | 2,818 | Fair |
| Cornish Toll Br RD over Connecticut River No. 005500640010800 | Sullivan County | Vermont State Line | 1866 | Truss - Thru | 449 ft | 2,722 | Poor |
| East Side Road over Saco River No. 005401670006700 | Carroll County | 1.7MI N Albany Tl | 1890 | Truss - Thru | 227 ft | 2,490 | Fair |
| Nh 25 over Connecticut River No. 020900320010300 | Grafton County | Vermont State Line | 1929 | Truss - Thru | 355 ft | 2,403 | Fair |
| Nh 16A over Ellis River No. 013201480005000 | Carroll County | .05 MI N of JCT 16 | 1876 | Truss - Thru | 121 ft | 2,280 | Fair |
| Main Street over Ashuelot River No. 025100930012400 | Cheshire County | 340 Ft from Winchester S | 1832 | Truss - Thru | 152 ft | 2,191 | Fair |
| East Thetford Road over Connecticut River No. 015700530011200 | Grafton County | 0.1 MI from Vermont Sl | 1937 | Truss - Thru | 471 ft | 2,160 | Poor |
| Smith Bridge Road over Baker River No. 021600870015200 | Grafton County | .31 MI N JCT Nh 3-A | 2001 | Truss - Thru | 170 ft | 2,132 | Good |
| Wilton Road over Souhegan River No. 010400750011400 | Hillsborough County | 260FT RTE 31 | 1938 | Truss - Thru | 173 ft | 1,866 | Poor |
| Riverside Drive over Mascoma River No. 014401540011300 | Grafton County | 1.0MI JCT Us. 4 | 1991 | Truss - Thru | 76 ft | 1,736 | Fair |
| Blair Road over Pemigewasset River No. 003501170007600 | Grafton County | 0.15 MI E JCT US 3 | 1869 | Truss - Thru | 288 ft | 1,584 | Fair |
| NH135 over Brook No. 005700820012100 | Coos County | 1.8 MI Littleton Tl | 2024 | Truss - Thru | 99 ft | 1,550 | Good |
| NH142 over Ammonoosuc River No. 002400990015200 | Grafton County | 2.2 MI from Whitefield Tl | 1927 | Truss - Thru | 124 ft | 1,167 | Poor |
| Barnet Road over Connecticut River No. 017401100012500 | Grafton County | Vermont State Line | 1937 | Truss - Thru | 389 ft | 992 | Fair |
| Gunn Mountain Road over Ashuelot River No. 027900820008700 | Cheshire County | 0.02MI NH119 | 1864 | Truss - Thru | 173 ft | 821 | Good |
| Westport Road over Ashuelot River No. 025100800009000 | Cheshire County | .68 MI NE Winchester Tl | 1862 | Truss - Thru | 143 ft | 792 | Fair |
| Mechanic Street over Israel River No. 014101340010700 | Coos County | 0.3 MI from US RTE 3 | 1862 | Truss - Thru | 94 ft | 750 | Fair |
| Mt Orne Road over Connecticut River No. 014100390010500 | Coos County | At Vermont State Line | 1911 | Truss - Thru | 266 ft | 642 | Fair |
| Coombs Bridge RD over Ashuelot River No. 027901430017500 | Cheshire County | 0.27MI. NH119 | 1837 | Truss - Thru | 120 ft | 618 | Fair |
| River Street over Squam River No. 001101130009300 | Grafton County | 1.4 MI FR Nh RTE 25 | 1990 | Truss - Thru | 64 ft | 588 | Fair |
| W Hopkinton Road over Contoocook River No. 012900550011200 | Merrimack County | 206 Ft FR Clement Hill R | 1853 | Truss - Thru | 169 ft | 558 | Fair |
| Corbin Bridge Road over Croydon Branch Sugar R No. 019201160014200 | Sullivan County | .69 MI JCT Nh 10 | 1845 | Truss - Thru | 104 ft | 545 | Fair |
| Ramsdell Road over Contoocook River No. 012001230010600 | Merrimack County | .09 MI FR Nh RTE 114 | 1937 | Truss - Thru | 111 ft | 531 | Fair |
| Porter Road over Wild Ammonoosuc River No. 001801630005300 | Grafton County | 340 Feet FR Nh 112 | 1849 | Truss - Thru | 160 ft | 529 | Fair |
| Carlton Road over South Brook No. 025101480010000 | Cheshire County | 0.20 Mi. RTE 32 | 1869 | Truss - Thru | 69 ft | 500 | Fair |
| Mcindoes Street over Connecticut River No. 017400810010600 | Grafton County | Vermont State Line | 1930 | Truss - Thru | 308 ft | 444 | Fair |
| New Market Road over Warner River No. 026301570008700 | Merrimack County | 0.17 MI from Nh RTE 103 | 1840 | Truss - Thru | 76 ft | 428 | Fair |
| Bog Road over Connecticut River No. 024400980006400 | Coos County | 0.02 Mile East of Vt. S L | 1893 | Truss - Thru | 195 ft | 303 | Fair |
| Passaconaway Road over Swift River No. 000201660015800 | Carroll County | 0.1 MI FR Kancamagus HWY | 1858 | Truss - Thru | 120 ft | 292 | Good |
| Huntress Bridge RD over Ossipee River No. 007401760018500 | Carroll County | Freedom Tl | 1936 | Truss - Thru | 140 ft | 192 | Fair |
| Columbia Bridge RD over Connecticut River No. 005100770014000 | Coos County | Vermont State Line | 1912 | Truss - Thru | 146 ft | 180 | Fair |
| Prospect Street over Ammonoosuc River No. 002400710013700 | Grafton County | 6.6 MI from Littleton Tl | 1928 | Truss - Thru | 111 ft | 178 | Fair |
| Durgin Bridge Road over Cold River No. 023302260011900 | Carroll County | 100 Ft FR Bearcamppond R | 1869 | Truss - Thru | 96 ft | 164 | Poor |
| River Road over Clay Brook No. 015700690019000 | Grafton County | 0.3 Mi. Tl Orford | 1885 | Truss - Thru | 149 ft | 154 | Fair |
| Patterson Hill RD over Contoocook River No. 012000970010100 | Merrimack County | 3.6 MI FR Deering Tl | 1915 | Truss - Thru | 119 ft | 147 | Fair |
| Joppa Road West over Warner River No. 026301910012200 | Merrimack County | .08 MI from Nh RTE 103 | 1853 | Truss - Thru | 76 ft | 100 | Fair |
| West Bath Road over Ammonoosuc R Nhrr(abd) No. 001801370009500 | Grafton County | 0.1 MI Nh 10 | 1832 | Truss - Thru | 375 ft | 96 | Fair |
| Bumps Intervale over Beebe River No. 003501630008200 | Grafton County | 80 Ft FR Perch Pond RD | 1877 | Truss - Thru | 84 ft | 96 | Fair |
| Crane Hill Road over Gale River No. 024552020012800 | Grafton County | Town RD | 1928 | Truss - Thru | 108 ft | 96 | Poor |
| Bridge Road over Blackwater River No. 000800830009800 | Merrimack County | 0.1 MI S Nh 11 | 1882 | Truss - Thru | 65 ft | 96 | Poor |
| Bradford Center RD over W Br Warner River No. 002801400014400 | Merrimack County | 6.3 MI Washington Tl | 1854 | Truss - Thru | 64 ft | 96 | Good |
| Root Hill Road over Mill Brook No. 005500810009500 | Sullivan County | 1.3 MI Nh 120 | 1883 | Truss - Thru | 78 ft | 92 | Fair |
| Saunders Hill Road over Baker River No. 026901420009600 | Grafton County | 0.06 Mi. W of Nh 25 | 1928 | Truss - Thru | 112 ft | 21 | Fair |
| Squag City Road over Blow-Me-Down Brook No. 005500710016800 | Sullivan County | 80 Ft FR Plainfield Tl | 1877 | Truss - Thru | 89 ft | 19 | Fair |
Counties with the most
| Grafton County | 17 |
| Cheshire County | 8 |
| Merrimack County | 7 |
| Sullivan County | 5 |
| Carroll County | 5 |
| Coos County | 5 |
| Hillsborough County | 2 |
| Rockingham County | 1 |
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