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 |
|---|---|---|---|---|---|
| MAIN STREET GS | Idaho | Poor | 1962 | 37.8 m | 7,750 |
| I 15B;W.INKOM IC | Idaho | Poor | 1962 | 34.7 m | 7,750 |
| I 15B;W.INKOM IC | Idaho | Fair | 1962 | 34.7 m | 7,750 |
| N.FK.TETON RIVER | Idaho | Fair | 1979 | 30.8 m | 7,750 |
| N.FK.TETON RIVER | Idaho | Fair | 1979 | 30.8 m | 7,750 |
| UPRR MAINLINE | Idaho | Good | 2022 | 43.0 m | 7,750 |
| UPRR MAINLINE | Idaho | Good | 2022 | 43.0 m | 7,750 |
| LOW LINE CANAL | Idaho | Good | 2007 | 7.9 m | 7,700 |
| HIGH LINE CANAL | Idaho | Fair | 1974 | 10.4 m | 7,700 |
| WEISER RIVER | Idaho | Fair | 2013 | 105.8 m | 7,700 |
| LITTLE WOOD RIVER | Idaho | Good | 1958 | 11.0 m | 7,700 |
| INDIAN CREEK | Idaho | Fair | 1999 | 28.3 m | 7,600 |
| DRAINAGE RUN OFF | Idaho | Good | 2006 | 40.5 m | 7,500 |
| SNAKE RIVER (MARSING BR) | Idaho | Fair | 2020 | 247.5 m | 7,500 |
| S.FK. PALOUSE RIVER | Idaho | Fair | 2004 | 19.5 m | 7,500 |
| LOGGERS CREEK | Idaho | Fair | 1977 | 23.5 m | 7,500 |
| PARADISE CREEK | Idaho | Fair | 1916 | 11.6 m | 7,500 |
| TRAIL CREEK | Idaho | Good | 2010 | 14.6 m | 7,500 |
| TRAIL CREEK | Idaho | Good | 2010 | 20.4 m | 7,500 |
| MOOSE CREEK | Idaho | Good | 2010 | 14.3 m | 7,500 |
| I 84 EB-WB;KIMBERLY IC | Idaho | Good | 2023 | 64.6 m | 7,500 |
| N.FK.PAYETTE R;LARDO | Idaho | Fair | 2014 | 47.9 m | 7,400 |
| RIRIE OUTLET;WILLOW CRK | Idaho | Fair | 2010 | 10.7 m | 7,400 |
| ANDERSON CANAL | Idaho | Fair | 2010 | 12.2 m | 7,400 |
| SETTLERS CANAL | Idaho | Good | 2000 | 9.8 m | 7,300 |
| LOW LINE CANAL | Idaho | Fair | 1994 | 32.3 m | 7,300 |
| S.FK.PAYETTE RIVER | Idaho | Fair | 1955 | 83.8 m | 7,300 |
| DEEP CR;BNRR;UPRR;NAPLES | Idaho | Fair | 1965 | 222.5 m | 7,300 |
| SALMON RIVER;SALMON BR. | Idaho | Poor | 1926 | 133.5 m | 7,300 |
| PARADISE CREEK | Idaho | Fair | 1993 | 7.9 m | 7,300 |
| WOLF LODGE CREEK | Idaho | Fair | 1960 | 27.4 m | 7,250 |
| WOLF LODGE CREEK | Idaho | Fair | 1960 | 27.4 m | 7,250 |
| WILLOW CREEK | Idaho | Good | 1994 | 7.6 m | 7,200 |
| SNAKE RIVER | Idaho | Fair | 1963 | 247.5 m | 7,200 |
| ANDERSON CANAL | Idaho | Fair | 1994 | 6.4 m | 7,200 |
| GOLDEN GATE CANAL | Idaho | Fair | 1956 | 7.4 m | 7,200 |
| W CANAL | Idaho | Good | 1959 | 12.2 m | 7,200 |
| ST MARIES R;ST MARIES BR | Idaho | Fair | 1977 | 73.2 m | 7,100 |
| DRAINAGE DISTRICT NO. 2 | Idaho | Fair | 2001 | 10.1 m | 7,100 |
| RIDENBAUGH CANAL | Idaho | Fair | 1992 | 15.2 m | 7,100 |
| PHYLLIS CANAL | Idaho | Fair | 1976 | 10.4 m | 7,100 |
| HILL STREET IC | Idaho | Fair | 1964 | 44.2 m | 7,000 |
| US 95 RAMP;WASHINGTON IC | Idaho | Fair | 1980 | 77.1 m | 7,000 |
| PARADISE CREEK | Idaho | Fair | 1953 | 9.1 m | 7,000 |
| COEUR DALENE RIVER | Idaho | Fair | 1964 | 155.1 m | 7,000 |
| NEW YORK CANAL | Idaho | Poor | 1964 | 34.7 m | 7,000 |
| COEUR DALENE RIVER | Idaho | Fair | 1964 | 155.1 m | 7,000 |
| BELLEVUE CANAL | Idaho | Fair | 1931 | 8.5 m | 7,000 |
| FARMERS COOP CANAL | Idaho | Good | 2001 | 10.7 m | 7,000 |
| I 86 EB-WB;PHILBIN RD GS | Idaho | Fair | 1968 | 73.8 m | 7,000 |
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.