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
DODSON NORTH CANAL Montana Fair 1976 15.8 m 1,351
DRAINAGE Montana Poor 1973 13.5 m 1,351
BLODGETT CREEK 024 Montana Fair 1993 8.8 m 1,344
BIG TIMBER CREEK Montana Fair 1997 49.5 m 1,341
GALLATIN RIVER 008 Montana Fair 1964 61.0 m 1,328
WHITE BEAR CREEK Montana Good 1993 41.8 m 1,327
PEOPLES CREEK OVERFLOW Montana Fair 1972 40.4 m 1,327
PEOPLES CREEK Montana Fair 1972 60.4 m 1,327
WILLOW CREEK Montana Good 1999 20.3 m 1,325
DEEP CREEK Montana Fair 2007 22.8 m 1,323
RR Montana Good 2012 144.7 m 1,321
ST. REGIS RVR-INT RAMP Montana Fair 1983 79.5 m 1,321
MARIAS RIVER Montana Good 1976 147.5 m 1,311
MARIAS RIVER Montana Good 1976 147.5 m 1,311
BEAVER CREEK OVERFLOW Montana Fair 1987 6.4 m 1,310
BEAVER CREEK Montana Fair 1966 52.7 m 1,310
BOYD CREEK Montana Fair 1942 17.4 m 1,295
LION CREEK Montana Fair 1996 24.7 m 1,289
GALLATIN RIVER Montana Fair 1967 59.3 m 1,287
BAKER CREEK Montana Poor 1967 30.9 m 1,287
KEYSER CREEK Montana Fair 2004 30.5 m 1,280
BEAVER CREEK OVERFLOW Montana Fair 1987 59.1 m 1,274
BEAVER CREEK OVERFLOW Montana Fair 1987 11.4 m 1,274
SHIELDS RIVER Montana Fair 1981 46.5 m 1,271
TWO MEDICINE RIVER Montana Fair 1950 81.7 m 1,266
BADGER CREEK Montana Fair 1966 93.8 m 1,266
AGENCY CREEK Montana Fair 1966 21.6 m 1,266
TETON RIVER Montana Fair 1939 69.0 m 1,265
REDWATER RIVER Montana Fair 1933 82.1 m 1,263
DRY HOUSE CREEK Montana Fair 2007 41.3 m 1,258
GRIMES CREEK Montana Fair 1962 30.9 m 1,258
MILK RIVER Montana Fair 1972 78.0 m 1,253
ROCK CREEK Montana Good 2003 22.0 m 1,253
DODSON SOUTH CANAL Montana Fair 1972 31.4 m 1,253
DODSON CREEK OVERFLOW Montana Good 2008 9.0 m 1,252
RR Montana Fair 2008 110.9 m 1,252
SPRING CREEK Montana Good 2008 10.8 m 1,252
UPPER SEVEN MILE CREEK Montana Fair 1959 36.6 m 1,251
RR-POWER PLANT ROAD Montana Fair 1981 79.5 m 1,250
RR Montana Fair 1977 71.5 m 1,249
INT WEST FORSYTH I 94 Montana Fair 1977 77.8 m 1,249
LOST CREEK Montana Poor 1953 17.7 m 1,246
GOAT CREEK Montana Fair 2004 21.0 m 1,246
PONDERA COULEE Montana Good 1934 11.5 m 1,245
SEP OREGON STREET 017 Montana Fair 1960 68.8 m 1,232
SNYDER CREEK Montana Fair 1935 7.5 m 1,230
AVALANCHE CREEK Montana Fair 1935 18.1 m 1,230
LOGAN CREEK Montana Fair 1925 13.3 m 1,230
MCDONALD CREEK Montana Fair 1926 6.6 m 1,230
RR Montana Fair 1950 114.0 m 1,227

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.