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
SHIELDS RIVER 007 Montana Fair 1980 28.3 m 424
TOSTON CANAL Montana Poor 1948 9.1 m 422
SIMMS CREEK 112 Montana Fair 1934 45.7 m 421
FORT SHAW CANAL 110 Montana Fair 1934 11.9 m 421
HEPPLER COULEE 109 Montana Fair 1934 17.4 m 421
REDWATER RIVER Montana Poor 1950 46.2 m 420
MADISON RIVER 001 Montana Fair 1967 84.7 m 417
CLARKS FK YELLOWSTNE 028 Montana Good 1997 77.0 m 416
FIVE MILE CREEK 057 Montana Good 2016 15.5 m 413
CLARKS FK YELLOWSTNE 056 Montana Fair 1980 99.0 m 413
COTTONWOOD CREEK Montana Fair 1963 11.0 m 409
FISH CREEK Montana Fair 1934 17.2 m 407
CEDAR CREEK Montana Poor 1935 40.5 m 404
BRACKETT CREEK Montana Fair 1935 29.0 m 404
SIN-TIN-TIN-EM-SKA 102 Montana Good 1985 7.0 m 404
RR Montana Fair 2004 97.0 m 401
INT POMPEYS PILLAR-I 94 Montana Fair 1968 80.5 m 401
BIG HORN CANAL Montana Good 2001 9.1 m 400
BOX ELDER CREEK Montana Good 1992 6.4 m 400
BUCKLEY COULEE Montana Fair 1940 17.7 m 399
BENSLEY CREEK 030 Montana Fair 2016 6.6 m 397
CLARK CANYON DAM SPLWY Montana Fair 1962 22.1 m 396
DRAINAGE Montana Fair 1970 9.9 m 396
INT HORSE PRAIRIE I 15 Montana Fair 1962 71.6 m 396
WARM SPRING CREEK Montana Fair 1970 9.9 m 396
WILD HORSE CREEK Montana Poor 1941 30.5 m 395
WEST ALKALI CREEK Montana Good 2008 9.1 m 395
WILD HORSE CREEK Montana Poor 1940 30.8 m 395
BLACK COULEE Montana Good 2008 9.8 m 395
FORK OF BEAVER CREEK Montana Fair 1948 18.0 m 395
WILD HORSE CR OVERFLOW Montana Fair 1941 18.0 m 395
LITTLE WARM CREEK Montana Fair 1947 42.4 m 395
BIG WARM CREEK Montana Fair 1941 30.9 m 395
LIBBY CREEK 122 Montana Good 1985 38.4 m 395
HALFWAY COULEE Montana Fair 1940 23.5 m 395
USRS LAT DITCH Montana Fair 1953 11.6 m 394
INT HUSON-I 90 012 Montana Good 1971 68.5 m 393
LITTLE BEAVER CREEK Montana Fair 2010 35.4 m 392
BUTTE CREEK Montana Good 2023 45.3 m 392
CHERRY CREEK Montana Fair 1989 36.6 m 392
Spring Creek Montana Good 2023 24.5 m 392
Drainage Montana Good 2023 26.5 m 392
Drainage Montana Good 2024 7.8 m 392
COLLINS CREEK Montana Poor 1940 17.8 m 392
SHEEP CAMP CREEK Montana Fair 1941 17.8 m 392
DRAINAGE Montana Fair 1940 17.8 m 392
FLASTED DRAW Montana Fair 1940 17.8 m 392
MILK RIVER Montana Fair 1960 123.4 m 392
DRAINAGE Montana Good 2007 7.6 m 392
POPLAR RIVER Montana Fair 1940 84.6 m 392

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.