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
EXCELSIOR AVE Montana Fair 1955 47.5 m 100
BEAVERHEAD RIVER 125 Montana Good 2000 27.7 m 100
SEP JENS I 94 002 Montana Fair 1971 123.2 m 100
N FK BIG HOLE RIVER 063 Montana Fair 1978 12.5 m 100
N FK BIGHOLE RIVER 064 Montana Poor 1977 14.0 m 100
GOVERNOR CREEK 130 Montana Good 2010 19.7 m 100
HORSE PRAIRE CREEK 010 Montana Fair 1981 12.2 m 100
GRASSHOPPER CREEK 009 Montana Good 2012 16.8 m 100
BIG HOLE RIVER 080 Montana Fair 1999 26.3 m 100
BIG HOLE RIVER 078 Montana Fair 1989 9.4 m 100
BIG LAKE CREEK 081 Montana Poor 1958 8.5 m 100
BEAVERHEAD RIVER 005 Montana Good 1992 31.4 m 100
STEEL CREEK 082 Montana Good 2012 15.3 m 100
GRASSHOPPER CREEK 004 Montana Fair 1986 7.8 m 100
BIG HOLE RIVER 090 Montana Fair 1977 15.5 m 100
BIG HOLE RIVER 091 Montana Fair 1976 18.9 m 100
BIG HOLE RIVER 089 Montana Poor 1925 30.5 m 100
BIG HOLE RIVER 087 Montana Fair 1986 15.8 m 100
BIG HOLE RIVER 088 Montana Fair 1974 11.0 m 100
GOVERNOR CREEK 092 Montana Poor 1951 12.8 m 100
BIG HOLE RIVER 093 Montana Fair 2004 25.3 m 100
HORSE PRAIRIE CREEK 031 Montana Fair 1920 16.5 m 100
HORSE PRAIRIE CREEK 011 Montana Good 2007 18.5 m 100
BEAVERHEAD RIVER 125 Montana Fair 1980 46.9 m 100
RED ROCK RIVER 053 Montana Poor 1975 23.5 m 100
EAST BENCH CANAL 060 Montana Fair 1962 18.3 m 100
BIG HOLE RIVER 073 Montana Fair 2000 50.0 m 100
EAST BENCH CANAL 002 Montana Fair 1962 13.4 m 100
EAST BENCH CANAL 003 Montana Fair 1962 19.5 m 100
DILLON CANAL 129 Montana Good 2010 6.7 m 100
EAST BENCH CANAL 001 Montana Fair 1962 15.8 m 100
EAST BENCH CANAL 102 Montana Fair 1962 17.1 m 100
CANYON DITCH 127 Montana Good 2011 9.2 m 100
EAST BENCH CANAL 061 Montana Fair 1962 21.0 m 100
RED ROCK RIVER 052 Montana Poor 1920 29.9 m 100
BIG SHEEP CREEK 027 Montana Fair 1969 11.0 m 100
BIG SHEEP CREEK 026 Montana Fair 1931 6.7 m 100
HORSE PRAIRE CREEK 042 Montana Good 1951 15.2 m 100
BIG HOLE RIVER 123 Montana Poor 1915 53.3 m 100
TWO LEGGIN`S CANAL 014 Montana Fair 1993 6.1 m 100
TWO LEGGIN`S CANAL 049 Montana Fair 1996 8.5 m 100
TWO LEGGIN`S CANAL 005 Montana Fair 1950 9.8 m 100
INT BALLANTINE-I 90 003 Montana Fair 1972 82.9 m 100
SARPY CREEK 033 Montana Fair 1981 7.9 m 100
E FORK SARPY CREEK 028 Montana Fair 1971 12.8 m 100
LITTLE BIGHORN RIVER 069 Montana Fair 1958 47.2 m 100
OWL CREEK 085 Montana Fair 2015 17.4 m 100
UNNAMED CREEK 059 Montana Fair 1950 7.3 m 100
TEN MILE CREEK 126 Montana Good 1988 14.2 m 100
PROSPECT CREEK 006 Montana Good 1978 22.6 m 100

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.