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.
| Bridge | Location | Condition | Year Built | Length | ADT |
|---|---|---|---|---|---|
| BLACKTAIL CREEK | Montana | Good | 2021 | 18.3 m | 700 |
| BENNIE PEER CREEK | Montana | Good | 1986 | 27.9 m | 700 |
| SUN RIVER 057 | Montana | Good | 2013 | 68.7 m | 699 |
| RR | Montana | Fair | 1968 | 65.3 m | 696 |
| SHONKIN CREEK | Montana | Good | 2003 | 54.3 m | 696 |
| BULL RIVER | Montana | Fair | 1971 | 25.0 m | 692 |
| BULL RIVER | Montana | Poor | 1960 | 23.5 m | 692 |
| RADER CREEK | Montana | Fair | 1931 | 29.0 m | 686 |
| CEMETERY COULEE | Montana | Poor | 1939 | 17.8 m | 680 |
| DRAINAGE | Montana | Poor | 1939 | 26.4 m | 680 |
| DRAINAGE | Montana | Fair | 1939 | 29.4 m | 680 |
| TIMBER CREEK | Montana | Fair | 1939 | 38.6 m | 680 |
| SKULL CREEK | Montana | Fair | 1939 | 37.5 m | 680 |
| DRAINAGE | Montana | Poor | 1939 | 23.3 m | 680 |
| FERRY CREEK 037 | Montana | Fair | 1938 | 15.5 m | 677 |
| BIG SPRING CREEK | Montana | Fair | 1920 | 6.1 m | 675 |
| LAVALLE CREEK 022 | Montana | Good | 2009 | 18.4 m | 673 |
| WARM SPRINGS CREEK 021 | Montana | Fair | 1983 | 16.2 m | 672 |
| ROSEBUD CREEK | Montana | Good | 2004 | 44.5 m | 671 |
| GRASSHOPPER CREEK | Montana | Fair | 1957 | 15.2 m | 668 |
| OTTER CREEK | Montana | Fair | 2004 | 20.3 m | 661 |
| RYE CREEK | Montana | Poor | 1947 | 17.6 m | 661 |
| FISH CREEK | Montana | Poor | 1942 | 34.7 m | 661 |
| EAST ROSEBUD CREEK | Montana | Good | 2019 | 100.6 m | 661 |
| KOOTENAI RIVER | Montana | Fair | 1969 | 377.0 m | 661 |
| SWEET GRASS CREEK | Montana | Fair | 1947 | 56.1 m | 661 |
| CAYUSE CREEK | Montana | Fair | 1947 | 11.6 m | 661 |
| INT ALBERTON-I 90 | Montana | Good | 1963 | 67.6 m | 661 |
| EAST ROSEBUD CREEK | Montana | Fair | 1959 | 34.1 m | 661 |
| PUMPKIN CREEK | Montana | Fair | 2003 | 58.6 m | 660 |
| PUMPKIN CREEK | Montana | Fair | 1962 | 42.4 m | 660 |
| ARMELLS CREEK | Montana | Fair | 1963 | 52.7 m | 655 |
| MISSOURI RIVER | Montana | Poor | 1959 | 212.7 m | 655 |
| FOSTER CREEK | Montana | Good | 2018 | 6.6 m | 654 |
| DRAINAGE | Montana | Good | 2003 | 23.3 m | 652 |
| BOX ELDER CR | Montana | Good | 2002 | 22.3 m | 644 |
| SUPPLY DITCH 085 | Montana | Good | 2014 | 14.3 m | 641 |
| SMITH CREEK 053 | Montana | Fair | 1928 | 27.1 m | 638 |
| BIG HOLE RIVER | Montana | Fair | 1962 | 65.4 m | 631 |
| RATTLESNAKE CREEK | Montana | Fair | 1942 | 11.6 m | 628 |
| DRAINAGE-STOCKPASS | Montana | Fair | 1942 | 13.7 m | 628 |
| DRAINAGE-STOCKPASS | Montana | Fair | 1941 | 17.4 m | 628 |
| GLENDIVE CREEK 084 | Montana | Fair | 1969 | 64.9 m | 627 |
| DRY CREEK 076 | Montana | Fair | 1981 | 14.0 m | 626 |
| ST. REGIS RVR-INT RAMP | Montana | Fair | 1983 | 63.4 m | 625 |
| PRICKLY PEAR CREEK 077 | Montana | Fair | 1998 | 21.9 m | 623 |
| TEN MILE CREEK 076 | Montana | Good | 2001 | 21.0 m | 623 |
| ROTTEN GRASS CREEK | Montana | Fair | 1983 | 18.3 m | 621 |
| SOAP CREEK | Montana | Good | 1963 | 31.4 m | 621 |
| SMART CREEK | Montana | Fair | 1970 | 10.0 m | 616 |
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.