Browse Bridge Database
4,646 bridges in the FHWA National Bridge Inventory in Idaho.
National Bridge Inventory Database
Browse 4,646 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 |
|---|---|---|---|---|---|
| CLEAR CREEK | Idaho | Good | 1933 | 10.4 m | 4,100 |
| BIG CREEK | Idaho | Fair | 1933 | 16.2 m | 4,100 |
| US 20;SUGAR CITY HALF IC | Idaho | Fair | 2001 | 61.6 m | 4,000 |
| W.AIRPORT WAY-ARRIVAL | Idaho | Fair | 2004 | 305.7 m | 4,000 |
| FARMERS UNION CANAL | Idaho | Fair | 1963 | 8.5 m | 4,000 |
| HARRISON CANAL | Idaho | Fair | 1961 | 6.7 m | 4,000 |
| N.FK.TETON RIVER | Idaho | Fair | 1976 | 26.5 m | 4,000 |
| I 184 EB ON RAMP | Idaho | Fair | 2003 | 83.8 m | 4,000 |
| MORA CANAL | Idaho | Fair | 1956 | 15.2 m | 4,000 |
| E.FK. SAND CREEK | Idaho | Fair | 1978 | 8.8 m | 4,000 |
| LOWER PAYETTE CANAL | Idaho | Good | 1992 | 12.2 m | 4,000 |
| PACK RIVER | Idaho | Fair | 1978 | 55.8 m | 4,000 |
| TRESTLE CREEK | Idaho | Good | 2013 | 24.1 m | 4,000 |
| SAND HOLLOW CREEK | Idaho | Good | 2017 | 37.8 m | 3,900 |
| RIVERSIDE CANAL | Idaho | Fair | 1964 | 16.9 m | 3,900 |
| A CANAL | Idaho | Good | 2000 | 18.0 m | 3,900 |
| B-4 CANAL;EMERSON BR | Idaho | Fair | 1956 | 6.7 m | 3,900 |
| S.FK.TETON RIVER | Idaho | Fair | 1975 | 24.4 m | 3,900 |
| TEN MILE CREEK | Idaho | Good | 2023 | 7.1 m | 3,900 |
| US20;UPRR;US 20-95 IC | Idaho | Good | 2017 | 86.0 m | 3,900 |
| SNAKE R.;PORTERVILLE BR. | Idaho | Fair | 1970 | 200.6 m | 3,900 |
| BOISE RIVER | Idaho | Fair | 1961 | 129.5 m | 3,900 |
| FARM RD;MACHINE PASS GS | Idaho | Fair | 1960 | 7.9 m | 3,850 |
| FARM RD;MACHINE PASS GS | Idaho | Fair | 1960 | 7.3 m | 3,850 |
| COUNTY RD;OLD US 30N GS | Idaho | Fair | 1960 | 32.9 m | 3,850 |
| COUNTY RD;OLD US 30N GS | Idaho | Fair | 1960 | 32.9 m | 3,850 |
| RAFT RIVER | Idaho | Fair | 2019 | 31.9 m | 3,850 |
| RAFT RIVER | Idaho | Good | 2019 | 31.9 m | 3,850 |
| YALE ROAD;RAFT RIVER IC | Idaho | Fair | 1960 | 32.9 m | 3,850 |
| YALE ROAD;RAFT RIVER IC | Idaho | Fair | 1960 | 32.9 m | 3,850 |
| FALL CREEK | Idaho | Good | 1981 | 31.1 m | 3,850 |
| FALL CREEK | Idaho | Good | 1981 | 31.1 m | 3,850 |
| DAIRY CANYON;FRONTAGE RD | Idaho | Fair | 1983 | 36.0 m | 3,850 |
| GIBSON LATERAL CANAL | Idaho | Poor | 1923 | 8.5 m | 3,800 |
| ROCK CREEK | Idaho | Good | 2022 | 8.2 m | 3,800 |
| BURGESS CANAL | Idaho | Fair | 1940 | 17.1 m | 3,800 |
| PARADISE CREEK | Idaho | Good | 2023 | 8.5 m | 3,800 |
| I 90 EB-WB;IDAHO RD GS | Idaho | Fair | 1977 | 89.6 m | 3,800 |
| S.GOODING MAIN CANAL | Idaho | Fair | 1967 | 11.3 m | 3,800 |
| I 90;SMELTERVILLE IC | Idaho | Fair | 1964 | 53.6 m | 3,800 |
| SNAKE RIVER; WEISER BR | Idaho | Good | 2010 | 267.0 m | 3,800 |
| NOTUS CANAL | Idaho | Fair | 1977 | 7.9 m | 3,800 |
| BUNCO RD; US 95 IC | Idaho | Poor | 2012 | 83.8 m | 3,800 |
| ROSS FORK CREEK | Idaho | Fair | 1925 | 8.8 m | 3,800 |
| Ramp EN OVER RAMP NW | Idaho | Good | 2024 | 48.8 m | 3,700 |
| RAMP EN OVER RAMP NW | Idaho | Good | 2024 | 28.7 m | 3,700 |
| E.FK. SAND CREEK | Idaho | Good | 1977 | 8.5 m | 3,700 |
| W.FK. SAND CREEK | Idaho | Good | 1978 | 11.0 m | 3,700 |
| IDAHO CANAL | Idaho | Fair | 1972 | 11.6 m | 3,700 |
| NEW YORK CANAL | Idaho | Fair | 1986 | 19.2 m | 3,700 |
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.