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.

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BridgeLocationConditionYear BuiltLengthADT
SALMON FALLS RIVER Maine Fair 1959 46.9 m 2,114
LITTLE MADAWASKA RIVER Maine Fair 1959 46.5 m 2,112
STATE OF MAINE RAILROAD Maine Good 2000 56.7 m 2,110
BROWN BROOK Maine Fair 1959 16.2 m 2,108
MOUSAM RIVER Maine Fair 1980 23.0 m 2,100
NEW MEADOW RIVER Maine Good 2016 20.3 m 2,095
PENNAMAQUAM RIVER Maine Fair 1951 51.5 m 2,093
MAIN STR (SEBASTICOOK R) Maine Fair 1933 14.3 m 2,083
MATTAWAMKEAG RIVER Maine Good 2023 123.3 m 2,081
WEBSTER MILL POND Maine Poor 1932 7.1 m 2,080
W BR MOLUNKUS STREAM Maine Fair 1978 8.8 m 2,071
COBBOSSEE STREAM Maine Fair 1958 31.1 m 2,066
STONEY BROOK Maine Fair 1940 9.1 m 2,055
WHETSTONE BRK Maine Good 2014 11.9 m 2,052
WINSLOW STREAM Maine Poor 1936 7.2 m 2,051
THOMPSON LAKE OUTLET Maine Fair 1954 10.5 m 2,051
TIDAL ESTUARY Maine Good 2011 15.9 m 2,051
ORANGE RIVER Maine Good 2018 30.6 m 2,051
INDIAN RIVER Maine Fair 1921 18.0 m 2,051
OUTLET OF PATTEE POND Maine Fair 1957 7.0 m 2,050
MOOSE BROOK Maine Fair 1924 8.5 m 2,046
OGUNQUIT RIVER Maine Good 2003 65.7 m 2,044
LITTLE MACHIAS RIVER Maine Fair 1970 35.1 m 2,042
WILLS STRAIT (ATL OCEAN) Maine Fair 1926 355.7 m 2,038
SEVEN MILE STREAM Maine Good 2021 30.0 m 2,030
ROUTE US 2 Maine Fair 1966 77.2 m 2,030
PHILLIPS LAKE OUTLET Maine Poor 1983 7.1 m 2,030
US 1 NB & SB Maine Good 2003 37.8 m 2,023
E BR WESSERUNSETT STREAM Maine Good 2021 36.6 m 2,013
RANGELEY RIVER Maine Fair 1951 24.8 m 2,006
SALMON BROOK Maine Fair 1925 8.6 m 2,000
MDOT RR Maine Fair 1949 30.5 m 1,990
INTERSTATE 95 NB & SB Maine Fair 1962 166.4 m 1,980
CAPTAIN AMBROSE BEAR STR Maine Fair 1981 23.5 m 1,978
KENNEBEC RIVER Maine Fair 1955 159.2 m 1,976
I-95 Maine Fair 1978 78.9 m 1,970
MESSALONSKEE STR Maine Fair 1932 19.9 m 1,968
PRESUMPSCOT RIVER Maine Fair 1970 41.4 m 1,967
PRESUMPSCOT RIVER Maine Fair 1970 22.9 m 1,967
MARTIN STREAM Maine Poor 1952 10.1 m 1,949
Maine Central Rail Road Maine Good 2008 23.5 m 1,946
I-95 Maine Good 2000 58.3 m 1,940
WAPSACONHAGAN Maine Fair 1930 8.0 m 1,936
SNAKE RIVER Maine Good 2014 7.3 m 1,930
WRIGHTS MILL Maine Fair 1980 8.0 m 1,927
MOOSABEC REACH Maine Good 2020 327.6 m 1,925
NARRAMISSIC RIVER Maine Fair 2003 27.1 m 1,921
MEGUNTICOOK RIVER Maine Poor 1935 10.4 m 1,920
INTERSTATE 95 NB & SB Maine Poor 1960 91.2 m 1,920
CAPE NEDDICK RIVER Maine Good 2007 45.6 m 1,910

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.