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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
BBWA CANAL Montana Fair 1988 14.9 m 10,387
WHITETAIL CREEK Montana Fair 1965 9.0 m 10,349
DEER CREEK ROAD Montana Fair 1964 43.6 m 10,294
SEP JUNIPER DR-CLARK FK Montana Fair 1965 124.8 m 10,294
CLARK FORK RIVER Montana Fair 1965 138.7 m 10,294
DEER CREEK ROAD Montana Good 1964 43.6 m 10,294
INT E MISSOULA Montana Fair 1964 59.6 m 10,294
SEP JUNIPER DR-CLARK FK Montana Fair 1965 124.6 m 10,294
CLARK FORK RIVER Montana Fair 1965 138.7 m 10,294
INT E MISSOULA Montana Fair 1964 59.6 m 10,294
GALLATIN RIVER Montana Fair 1958 81.0 m 10,221
ALKALI CREEK 202 Montana Good 2008 60.6 m 10,114
BBWA CANAL 203 Montana Fair 2008 16.8 m 10,114
INT JOHNSON LANE Montana Fair 1967 45.7 m 10,081
INT JOHNSON LANE Montana Fair 1967 46.6 m 10,081
KOOTENAI CREEK Montana Fair 2008 24.0 m 10,026
BIG CREEK Montana Fair 2010 56.8 m 10,026
MCCALLA CREEK Montana Fair 2010 20.4 m 10,026
MCCALLA CREEK Montana Fair 2008 24.8 m 10,026
UNDERPASS AVENUE Montana Fair 1977 30.8 m 9,943
SHILOH INTERCHANGE 014 Montana Fair 2001 135.9 m 9,917
INT S MONTANA STREET Montana Fair 1961 51.2 m 9,878
INT S MONTANA STREET Montana Fair 1961 51.2 m 9,878
INT E BOZEMAN-P 50 Montana Fair 1971 62.8 m 9,819
RR Montana Fair 1971 90.7 m 9,819
SEP FORT ELLIS ROAD Montana Fair 1971 24.1 m 9,819
SEP FORT ELLIS ROAD Montana Fair 1971 24.1 m 9,819
INT BEAR CANYON Montana Fair 1962 34.4 m 9,819
INT BEAR CANYON Montana Fair 1962 34.4 m 9,819
RR Montana Fair 2006 130.0 m 9,819
RR Montana Fair 2006 130.0 m 9,819
INT E BOZEMAN-P 50 Montana Fair 1971 62.3 m 9,819
MADISON ROAD Montana Fair 1963 39.0 m 9,762
MADISON RIVER-RR Montana Fair 1964 224.3 m 9,762
DARLINGTON DITCH Montana Fair 1963 43.9 m 9,762
INT LOGAN Montana Fair 1963 43.6 m 9,762
MADISON RIVER OVERFLOW Montana Fair 1963 27.9 m 9,762
DARLINGTON DITCH Montana Fair 1963 43.9 m 9,762
MADISON ROAD Montana Fair 1963 39.0 m 9,762
INT LOGAN Montana Good 1963 43.6 m 9,762
MADISON RIVER OVERFLOW Montana Fair 1963 27.9 m 9,762
MADISON RIVER-RR Montana Fair 1964 190.4 m 9,762
MIDDLE FK W GALLATIN 004 Montana Fair 1979 63.7 m 9,730
W FORK W GALLATIN 001 Montana Fair 1972 31.4 m 9,730
MANHATTAN SOUTH RD Montana Fair 1964 50.0 m 9,726
GALLATIN RIVER Montana Fair 1965 62.8 m 9,726
SEP HEEB ROAD Montana Good 1965 35.1 m 9,726
SEP HEEB ROAD Montana Fair 1965 35.1 m 9,726
CAMP CREEK Montana Good 1965 25.3 m 9,726
MANHATTAN SOUTH RD Montana Fair 1964 49.7 m 9,726

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.