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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
JUDITH RIVER Montana Fair 1971 63.4 m 2,650
RR Montana Good 2012 49.0 m 2,650
LITTLE MISSOURI RIVER Montana Fair 1965 43.5 m 2,642
THOMPSON CREEK Montana Fair 1965 31.3 m 2,642
DRAINAGE Montana Fair 1965 7.3 m 2,642
ROSEBUD CREEK Montana Fair 1970 52.7 m 2,636
GRAVEYARD CREEK Montana Fair 1962 25.2 m 2,636
INT W ROSEBUD 446-447 Montana Fair 1970 37.8 m 2,636
SWEENEY CREEK-CO RD Montana Fair 1970 66.0 m 2,636
SEP WRIGHT LN Montana Fair 1970 23.8 m 2,636
SWEENEY CREEK-CO RD Montana Fair 1970 67.5 m 2,636
SEP FRONTAGE-OLD HWY 10 Montana Fair 1970 37.8 m 2,636
GRAVEYARD CREEK Montana Fair 1977 23.3 m 2,636
SEP FRONTAGE-OLD HWY 10 Montana Fair 1970 37.8 m 2,636
INT W ROSEBUD 446-447 Montana Fair 1970 37.8 m 2,636
ROSEBUD CREEK Montana Fair 1970 52.7 m 2,636
SEP PARK STREET Montana Fair 1983 56.2 m 2,636
SEP PARK STREET Montana Fair 1983 56.2 m 2,636
BIGHORN RIVER Montana Fair 1978 173.9 m 2,613
BIGHORN RIVER Montana Fair 1963 176.8 m 2,613
RR-HIGHLINE CANAL RD Montana Fair 1968 136.2 m 2,611
INT BALLANTINE Montana Fair 1968 39.3 m 2,611
INT BALLANTINE Montana Fair 1968 39.3 m 2,611
RR-HIGHLINE CANAL RD Montana Fair 1968 146.3 m 2,611
EAST I RD Montana Good 1968 46.9 m 2,611
EAST I RD Montana Fair 1968 46.9 m 2,611
S 25TH RD Montana Fair 1968 36.6 m 2,611
S 25TH RD Montana Fair 1968 39.3 m 2,611
HUNTLEY CANAL Montana Fair 1968 32.9 m 2,611
HUNTLEY CANAL Montana Fair 1968 36.0 m 2,611
GRAYLING CREEK Montana Fair 1962 11.8 m 2,605
GRAYLING CREEK Montana Fair 1962 11.9 m 2,605
TEEPEE CREEK Montana Poor 1962 8.8 m 2,605
GRAYLING CREEK Montana Fair 1962 11.9 m 2,605
SPECIMEN CREEK Montana Fair 1955 19.4 m 2,605
GRAYLING CREEK Montana Fair 2012 37.1 m 2,605
GALLATIN RIVER Montana Fair 1955 36.6 m 2,605
GRAYLING CREEK Montana Poor 1962 14.2 m 2,605
SAGE CREEK Montana Good 1993 18.3 m 2,601
LITTLE POWDER RIVER Montana Fair 1976 37.0 m 2,594
E FK LITTLE POWDER RIVER Montana Fair 1983 7.0 m 2,594
OTTER CREEK Montana Fair 2013 30.2 m 2,593
COTTONWOOD CREEK Montana Fair 2009 40.3 m 2,589
BEAVER CREEK Montana Good 2009 39.3 m 2,589
PRICKLY PEAR CREEK 009 Montana Fair 1934 20.4 m 2,580
INT BUXTON-BUXTON RD Montana Good 1976 39.0 m 2,570
INT BUXTON-BUXTON RD Montana Good 1976 39.0 m 2,570
INT SPRING CREEK-RR Montana Fair 1964 164.4 m 2,555
INT SPRING CREEK-RR Montana Fair 1964 161.5 m 2,555
SEP LYONS CREEK ROAD Montana Good 1964 40.8 m 2,555

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.