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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.

Clear
BridgeLocationConditionYear BuiltLengthADT
BIG DRY CREEK Montana Good 1993 47.7 m 1,078
EAST ROSEBUD CREEK Montana Fair 1992 27.7 m 1,074
W ROSEBUD CREEK OVERFLOW Montana Good 1991 12.2 m 1,074
E ROSEBUD CREEK OVERFLOW Montana Fair 1992 18.3 m 1,074
DRAINAGE Montana Fair 1939 11.8 m 1,067
DRAINAGE Montana Fair 1939 11.6 m 1,067
N FORK MCDONALD CREEK Montana Fair 1939 17.7 m 1,067
DRAINAGE Montana Fair 1939 17.7 m 1,067
S FORK MCDONALD CREEK Montana Fair 1939 30.7 m 1,067
DRAINAGE Montana Fair 1939 17.7 m 1,067
DRAINAGE Montana Fair 1939 7.9 m 1,067
IRRIGATION RESERVOIR Montana Fair 1939 30.7 m 1,067
DRAINAGE Montana Poor 1939 17.6 m 1,067
Beaver Creek Montana Good 2023 86.3 m 1,066
WEST ROSEBUD CREEK Montana Fair 1991 24.1 m 1,061
FISHTAIL CREEK Montana Good 1994 15.2 m 1,061
CUT BANK CREEK Montana Fair 1965 53.3 m 1,046
LONE TREE CREEK Montana Fair 1999 39.3 m 1,037
SPRING CREEK Montana Good 1966 34.6 m 1,032
CAINS COULEE 096 Montana Fair 1965 9.1 m 1,025
USRS CANAL Montana Fair 1934 15.5 m 1,024
SOUTH FORK SMITH RIVER Montana Fair 1997 22.1 m 1,023
INT SHELBY-RR Montana Fair 1960 130.7 m 1,021
INT SHELBY-RR Montana Fair 1960 130.7 m 1,021
P00109-KALISPELL BYPASS Montana Good 2016 41.2 m 1,015
RIVERS EDGE TRAIL Montana Good 2002 9.1 m 1,015
MISSOURI RIVER Montana Fair 1988 291.0 m 1,014
DAY CREEK Montana Good 2009 6.3 m 1,014
UNSTABLE SLOPE Montana Poor 1981 79.2 m 1,013
BLACKTAIL CREEK Montana Poor 1965 44.2 m 1,012
BIRCH CREEK Montana Fair 1965 65.2 m 1,012
CABIN CREEK Montana Fair 1964 25.3 m 1,010
BEAVER CREEK Montana Fair 1964 38.1 m 1,010
WILLOW CREEK 016 Montana Good 2019 9.8 m 1,004
RR 061 Montana Poor 1932 34.4 m 1,001
TWO MEDICINE RIVER Montana Fair 1967 109.1 m 1,000
LITTLE BADGER CREEK Montana Fair 1972 14.3 m 1,000
BADGER CREEK Montana Fair 1967 61.1 m 1,000
LITTLE BIGHORN RIVER Montana Good 1999 37.2 m 1,000
BOX ELDER CREEK Montana Fair 2000 6.3 m 1,000
WARM SPRINGS CREEK Montana Fair 1988 21.3 m 1,000
LIBBY CREEK Montana Fair 1962 37.7 m 999
East Fork Cherry Creek Montana Good 2024 43.0 m 994
NICKWALL CREEK Montana Fair 1995 7.3 m 985
DRAINAGE-STOCKPASS Montana Good 1995 6.1 m 985
DRAINAGE Montana Fair 1995 11.7 m 985
SOUTH FORK PEOPLES CREEK Montana Fair 1959 30.5 m 977
LITTLE PEOPLES CREEK Montana Good 2015 28.3 m 977
LITTLE PEOPLES CREEK Montana Good 2015 27.7 m 977
LITTLE PEOPLES CREEK Montana Good 2015 27.7 m 977

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.