Browse Bridge Database
2,542 bridges in the FHWA National Bridge Inventory in Maine.
National Bridge Inventory Database
Browse 2,542 bridges from the Federal Highway Administration National Bridge Inventory. Filter by state, condition rating, or search by name and location.
| Bridge | Location | Condition | Year Built | Length | ADT |
|---|---|---|---|---|---|
| COMBOLASSE STREAM | Maine | Fair | 1938 | 7.2 m | 527 |
| 15 MILE STREAM | Maine | Poor | 1933 | 25.9 m | 525 |
| PENNESEEWASSEE STREAM | Maine | Fair | 1921 | 8.2 m | 520 |
| AUSTIN STREAM | Maine | Fair | 1957 | 30.5 m | 520 |
| SANDY STREAM | Maine | Fair | 1950 | 12.1 m | 520 |
| ST.GEORGE RIVER | Maine | Fair | 1936 | 30.5 m | 520 |
| MEDOMAK RIVER | Maine | Fair | 1952 | 23.6 m | 516 |
| MOOSE POND BROOK | Maine | Fair | 1974 | 8.2 m | 516 |
| Unnamed Stream | Maine | Fair | 2016 | 7.3 m | 516 |
| DICKEY BROOK | Maine | Fair | 1921 | 10.4 m | 516 |
| PENNAMAQUAN RIVER | Maine | Fair | 1901 | 10.4 m | 515 |
| MUSQUASH STREAM | Maine | Fair | 1997 | 39.6 m | 515 |
| UNION RIVER | Maine | Fair | 1935 | 17.5 m | 515 |
| OLAMAN STREAM | Maine | Fair | 1951 | 7.6 m | 513 |
| SEBOEIS STREAM | Maine | Fair | 1981 | 30.6 m | 513 |
| BIG MACHIAS RIVER | Maine | Good | 2002 | 53.7 m | 510 |
| PISCATAQUA RIVER | Maine | Fair | 1956 | 37.3 m | 506 |
| I-95 | Maine | Fair | 1956 | 64.2 m | 506 |
| HICKS POND OUTLET | Maine | Fair | 1954 | 7.9 m | 506 |
| EAST BRANCH PISCATAQUA | Maine | Good | 1999 | 7.3 m | 505 |
| QUIGGLE BROOK | Maine | Good | 2001 | 8.5 m | 504 |
| MAIN STREAM | Maine | Fair | 1987 | 30.6 m | 504 |
| LOWER SHIN POND INLET | Maine | Fair | 1937 | 6.9 m | 502 |
| BRANCH BROOK | Maine | Good | 2001 | 8.7 m | 500 |
| CAPTAIN AMBROSE BEAR STR | Maine | Fair | 1977 | 19.4 m | 500 |
| OSSIPEE RIVER | Maine | Fair | 1930 | 49.3 m | 500 |
| BOBBIN MILL BROOK | Maine | Fair | 1936 | 8.8 m | 496 |
| ALDER STREAM | Maine | Fair | 1935 | 10.5 m | 492 |
| CHARZEE STR (THOMPSON BK | Maine | Fair | 1949 | 7.0 m | 492 |
| CROMWELL BROOK | Maine | Poor | 1945 | 12.8 m | 489 |
| EAST BRANCH PLEASANT RIV | Maine | Fair | 1963 | 58.2 m | 482 |
| TIDAL PASSAGE | Maine | Good | 2005 | 23.2 m | 480 |
| PEMAQUID RIVER | Maine | Good | 2019 | 8.0 m | 480 |
| CARIBOU STREAM | Maine | Fair | 1980 | 11.8 m | 480 |
| MEDUXNEKEAG RIVER | Maine | Good | 2004 | 22.3 m | 480 |
| PATTEE BROOK | Maine | Fair | 1960 | 7.4 m | 480 |
| MEDOMAK RIVER | Maine | Fair | 1966 | 8.8 m | 474 |
| ROYAL RIVER | Maine | Fair | 1934 | 30.7 m | 474 |
| INTERSTATE 95 NB & SB | Maine | Fair | 1959 | 106.8 m | 472 |
| W BR MATTAWAMKEAG RV | Maine | Good | 2008 | 27.6 m | 470 |
| INTERSTATE 95 NB & SB | Maine | Fair | 1958 | 76.2 m | 464 |
| LAMSON STREAM | Maine | Good | 2007 | 14.6 m | 463 |
| BELGRADE STREAM | Maine | Fair | 1967 | 21.3 m | 463 |
| GRAND LAKE STREAM | Maine | Good | 2010 | 26.8 m | 463 |
| CARIBOU STREAM | Maine | Fair | 1983 | 8.8 m | 461 |
| CANAL | Maine | Fair | 1930 | 12.2 m | 460 |
| LITTLE OSSIPEE RIVER | Maine | Fair | 1935 | 30.9 m | 460 |
| OUTLET TO MOWER PD | Maine | Fair | 2008 | 7.5 m | 455 |
| CONCORD RIVER | Maine | Fair | 1929 | 11.9 m | 454 |
| ROUTE US 1 & ROUTE 3 | Maine | Good | 2012 | 26.3 m | 453 |
Frequently Asked Questions
The National Bridge Inventory (NBI) is a federal database maintained by the Federal Highway Administration containing inspection data for all bridges on public roads in the U.S. with a span of more than 20 feet. Bridge owners must inspect each structure at least every 24 months.
ADT stands for Average Daily Traffic — the average number of vehicles crossing the bridge per day. Bridges are sorted by ADT by default because high-traffic bridges in poor condition pose the greatest risk to the most people.
Yes. Use the search field above to find bridges by name, location, or features crossed. You can also combine the search with state and condition filters to narrow your results.