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 |
|---|---|---|---|---|---|
| UNION RIVER | Maine | Fair | 1981 | 38.3 m | 15,759 |
| ROUTES 8 11 &27 | Maine | Fair | 1959 | 42.2 m | 15,720 |
| GREAT WORKS RIVER | Maine | Good | 2010 | 31.3 m | 15,700 |
| KENNEBUNK RIVER | Maine | Good | 2016 | 24.4 m | 15,672 |
| MCRR | Maine | Fair | 1972 | 41.8 m | 15,640 |
| ANDROSCOGGIN RIVER | Maine | Fair | 1971 | 251.5 m | 15,640 |
| RIVER RD | Maine | Fair | 1971 | 30.5 m | 15,640 |
| LITTLE RIVER | Maine | Fair | 1932 | 10.4 m | 15,590 |
| I-95 | Maine | Fair | 1987 | 49.4 m | 15,521 |
| W CHAN ANDRO R & RIVER R | Maine | Fair | 1973 | 153.9 m | 15,503 |
| MAINE CENTRAL RR | Maine | Fair | 1966 | 53.1 m | 15,410 |
| INDUSTRIAL PARK ROAD | Maine | Fair | 1982 | 37.8 m | 15,400 |
| SALMON FALLS RIVER | Maine | Fair | 2014 | 34.7 m | 15,346 |
| M C RR & PERRY ROAD | Maine | Fair | 1962 | 76.0 m | 15,340 |
| B & M RR | Maine | Good | 1988 | 19.1 m | 15,290 |
| WEBB ROAD | Maine | Good | 2024 | 19.3 m | 15,250 |
| INDUSTRIAL PARK ROAD | Maine | Fair | 1983 | 37.8 m | 15,210 |
| COUNTY ROAD & M C RR | Maine | Fair | 1960 | 80.1 m | 15,170 |
| NEOUTAQUET RIVER | Maine | Fair | 1974 | 13.1 m | 15,160 |
| WEBB ROAD | Maine | Good | 2023 | 18.6 m | 15,150 |
| MT DESERT NARROWS | Maine | Fair | 1958 | 64.9 m | 15,122 |
| SABATTUS STREAM | Maine | Good | 2004 | 44.7 m | 15,091 |
| BRIDGE ST & COBB. STREAM | Maine | Good | 2020 | 42.5 m | 14,964 |
| SACO RIVER (N OF E CHAN) | Maine | Fair | 1933 | 97.0 m | 14,908 |
| FORE RIVER | Maine | Fair | 1998 | 1,447.2 m | 14,893 |
| Kennebec River | Maine | Good | 2005 | 337.8 m | 14,820 |
| PAYNE ROAD (SB) | Maine | Fair | 1972 | 33.1 m | 14,770 |
| STATE ROUTE 703 | Maine | Fair | 1971 | 71.7 m | 14,770 |
| I-95 | Maine | Fair | 1972 | 125.0 m | 14,770 |
| S.R. 703 | Maine | Fair | 1955 | 71.5 m | 14,700 |
| RTE 4 | Maine | Good | 2001 | 37.7 m | 14,576 |
| W CHANNEL PENOBSCOT RIV | Maine | Fair | 1978 | 74.8 m | 14,546 |
| B & M RR | Maine | Fair | 1937 | 116.5 m | 14,512 |
| LITTLE ANDROSCOG RIVER | Maine | Good | 1997 | 57.0 m | 14,489 |
| DAMARISCOTTA RIVER | Maine | Fair | 1952 | 51.2 m | 14,450 |
| M C RR | Maine | Fair | 1955 | 29.9 m | 14,442 |
| Broad St | Maine | Fair | 1955 | 430.1 m | 14,431 |
| EAGLES NEST ROAD | Maine | Fair | 1956 | 29.6 m | 14,400 |
| HUNTS HILL ROAD | Maine | Fair | 1956 | 22.9 m | 14,400 |
| MOUSAM RIVER | Maine | Poor | 1958 | 22.6 m | 14,260 |
| INDSTRIAL SPUR (I-395) | Maine | Fair | 1960 | 55.0 m | 14,260 |
| I-95 | Maine | Fair | 1998 | 108.5 m | 14,199 |
| NONESUCH RIVER | Maine | Fair | 1995 | 24.7 m | 14,080 |
| BOSTON AND MAINE RR | Maine | Good | 1996 | 16.2 m | 14,080 |
| LITTLE ANDROSCOGGIN RI | Maine | Fair | 1948 | 28.8 m | 14,062 |
| DITCH BROOK | Maine | Poor | 1959 | 30.9 m | 14,042 |
| PISCATAQUA RIVER & ROADS | Maine | Good | 2018 | 848.9 m | 14,040 |
| PISCATIQUA RIVER STR #31 | Maine | Good | 1956 | 9.8 m | 14,020 |
| PISCATIQUA RIVER STR#28 | Maine | Fair | 1956 | 13.0 m | 14,020 |
| UPPER MARGINAL WAY | Maine | Fair | 1956 | 29.6 m | 14,020 |
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.