Browse Bridge Database

5,235 bridges in the FHWA National Bridge Inventory in Montana.

National Bridge Inventory Database

Browse 5,235 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
HARLEY CREEK Montana Fair 1953 7.6 m 50
JEFFERSON CREEK Montana Poor 1957 7.5 m 50
MOOSE CREEK Montana Fair 1956 7.6 m 50
MOOSE CREEK Montana Fair 1956 7.6 m 50
FOUR MILE CREEK Montana Fair 1972 7.5 m 50
FOUR MILE CREEK Montana Poor 1973 7.5 m 50
FOUR MILE CREEK Montana Poor 1973 7.5 m 50
MOOSE CREEK Montana Poor 1956 8.7 m 50
MOOSE CREEK Montana Fair 1956 10.2 m 50
MOOSE CREEK Montana Fair 1956 10.2 m 50
CHAMBERLAIN CREEK Montana Good 2002 12.2 m 50
LOWER HOLSTROM DITCH Montana Good 2017 8.8 m 50
TROUT CREEK Montana Fair 1950 18.3 m 50
NORTH FORK LITTLE JOE Montana Good 2023 29.4 m 50
ROCK CR Montana Fair 1975 24.4 m 50
LOLO CR Montana Fair 1936 14.1 m 50
GOLD CR Montana Fair 1983 11.0 m 50
ROCK CREEK Montana Poor 1982 15.2 m 50
CLARK FORK Montana Fair 1965 64.9 m 50
ROCK CREEK Montana Poor 1961 36.5 m 50
LOLO CR Montana Fair 1960 14.2 m 50
LOLO CREEK Montana Fair 1946 14.8 m 50
LOLO CR Montana Fair 1958 24.3 m 50
SO FK LOLO CR Montana Fair 1981 11.2 m 50
LOLO CR Montana Fair 1964 15.4 m 50
RANCH CR Montana Fair 1958 7.3 m 50
RATTLESNAKE CREEK Montana Fair 1981 11.2 m 50
WEST FORK GOLD CREEK Montana Fair 1997 12.2 m 50
HOGBACK CREEK Montana Fair 2008 7.3 m 50
S FK FISH CREEK Montana Poor 1973 15.4 m 50
S FK FISH CREEK Montana Poor 1966 12.3 m 50
S FK FISH CREEK Montana Poor 1965 9.9 m 50
SOUTH FORK FISH CR Montana Fair 1973 12.3 m 50
NINEMILE CR Montana Fair 1979 7.5 m 50
NINEMILE CR. Montana Fair 1968 12.4 m 50
NINEMILE CR Montana Fair 1970 9.9 m 50
W FK FISH CREEK Montana Poor 1966 18.7 m 50
DEER CR Montana Good 2004 9.4 m 50
ARCHIBALD CR Montana Good 2004 9.1 m 50
S FK FISH CREEK Montana Good 1999 26.8 m 50
W F THOMPSON RIV Montana Fair 1935 23.8 m 50
FISHTRAP CR Montana Fair 1963 7.5 m 50
W FORK SWAMP CR Montana Fair 1970 7.7 m 50
FISHTRAP CREEK Montana Fair 1954 8.8 m 50
RADIO CR Montana Fair 1955 10.0 m 50
FISHTRAP CREEK Montana Fair 1957 7.5 m 50
WILKES CREEK Montana Good 1973 7.5 m 50
W FK SWAMP CR Montana Fair 1965 7.6 m 50
STONY LAKE CREEK Montana Good 2015 11.3 m 50
W FK CLEARWATER Montana Good 2008 23.3 m 50

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.