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 |
|---|---|---|---|---|---|
| CLEARWATER RIVER;BNRR | Idaho | Fair | 1951 | 412.1 m | 21,000 |
| KUNA CANAL | Idaho | Fair | 1990 | 6.4 m | 21,000 |
| MASON CRK;FEEDER CANAL | Idaho | Fair | 1990 | 9.1 m | 21,000 |
| I 84;LOCUST GROVE GS | Idaho | Fair | 2008 | 83.8 m | 20,500 |
| POTLATCH HILL RD. GS | Idaho | Fair | 1992 | 72.5 m | 20,500 |
| SNAKE RIVER;BROADWAY ST. | Idaho | Fair | 1981 | 87.5 m | 20,500 |
| IDAHO CANAL | Idaho | Fair | 1990 | 14.9 m | 20,500 |
| I 84 EB-WB;ORCHARD ST IC | Idaho | Good | 2010 | 62.5 m | 20,500 |
| NEW YORK CANAL | Idaho | Fair | 1989 | 44.5 m | 20,500 |
| INDIAN CREEK | Idaho | Fair | 1969 | 7.9 m | 20,000 |
| RIDENBAUGH CANAL | Idaho | Fair | 1947 | 11.3 m | 20,000 |
| WILDLIFE CROSSING | Idaho | Good | 2012 | 7.6 m | 20,000 |
| UPRR;1ST ST N | Idaho | Fair | 1969 | 233.5 m | 20,000 |
| REXBURG CANAL | Idaho | Fair | 1938 | 7.0 m | 20,000 |
| TASA DRIVE | Idaho | Fair | 2011 | 30.5 m | 19,500 |
| PAYETTE RIVER | Idaho | Fair | 1968 | 147.5 m | 19,500 |
| PHYLLIS CANAL | Idaho | Good | 2023 | 14.2 m | 19,500 |
| I 84;CLOVERDALE RD GS | Idaho | Good | 2019 | 59.1 m | 19,500 |
| RIDENBAUGH CANAL | Idaho | Fair | 1992 | 9.1 m | 19,500 |
| PARKS LEWISVILLE CANAL | Idaho | Fair | 1975 | 9.4 m | 19,500 |
| CITY ST;UPRR;CALDWELL OP | Idaho | Poor | 1956 | 189.3 m | 19,500 |
| RIDENBAUGH CANAL | Idaho | Fair | 2005 | 7.0 m | 19,500 |
| RIDENBAUGH CANAL | Idaho | Fair | 1993 | 10.4 m | 19,500 |
| DEER FLAT CANAL | Idaho | Fair | 1973 | 7.0 m | 19,500 |
| PHYLLIS CANAL | Idaho | Good | 1973 | 6.7 m | 19,500 |
| I 86 EB RAMP | Idaho | Good | 2024 | 106.4 m | 19,250 |
| I 86 WB RAMP | Idaho | Good | 2023 | 126.2 m | 19,250 |
| I 86 WB RAMP | Idaho | Good | 2024 | 106.4 m | 19,250 |
| STP7041;CHUBBUCK ROAD | Idaho | Good | 2024 | 40.5 m | 19,250 |
| PHYLLIS CANAL | Idaho | Fair | 1973 | 6.7 m | 19,000 |
| I 15B;POCATELLO CREEK IC | Idaho | Fair | 1999 | 45.1 m | 19,000 |
| I 15B;POCATELLO CREEK IC | Idaho | Fair | 1998 | 45.1 m | 19,000 |
| I 84;FRANKLIN RD IC | Idaho | Good | 2008 | 102.4 m | 19,000 |
| 250 NORTH RD.GS | Idaho | Fair | 1972 | 7.6 m | 19,000 |
| W-26 CANAL | Idaho | Fair | 1972 | 7.3 m | 19,000 |
| I 84 WBL | Idaho | Good | 2020 | 137.8 m | 19,000 |
| US 95;ABBOTT RD IC | Idaho | Good | 2013 | 66.8 m | 19,000 |
| I 184B;ORCHARD ST GS | Idaho | Fair | 1968 | 43.3 m | 19,000 |
| ROCK CREEK | Idaho | Good | 1993 | 132.0 m | 19,000 |
| SAND CREEK | Idaho | Good | 1973 | 64.6 m | 18,500 |
| BLUE CREEK BAY WEST GS | Idaho | Fair | 1992 | 40.8 m | 18,500 |
| FIVE MILE CREEK | Idaho | Good | 1991 | 8.5 m | 18,500 |
| TIMOTHY LN;EVERGREEN GS | Idaho | Fair | 1992 | 64.3 m | 18,500 |
| BENNETT BAY;SUNNYSIDE RD | Idaho | Fair | 1991 | 527.3 m | 18,500 |
| PHYLLIS CANAL | Idaho | Fair | 1963 | 9.1 m | 18,500 |
| PHYLLIS CANAL | Idaho | Fair | 1963 | 9.1 m | 18,500 |
| I 15 NB-SB; PANCHERI GS | Idaho | Good | 2012 | 93.3 m | 18,500 |
| PEND OREILLE R;SANDPOINT | Idaho | Fair | 1981 | 1,798.0 m | 18,500 |
| IDAHO CANAL | Idaho | Poor | 1984 | 22.9 m | 18,000 |
| I 90 EB-WB;SELTICE IC | Idaho | Fair | 1977 | 120.4 m | 18,000 |
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.