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 |
|---|---|---|---|---|---|
| HILL STREET IC | Idaho | Fair | 1964 | 44.2 m | 7,000 |
| HILL STREET IC | Idaho | Fair | 1964 | 44.2 m | 7,000 |
| PARADISE CREEK | Idaho | Fair | 2010 | 9.1 m | 7,000 |
| PARADISE CREEK | Idaho | Good | 2010 | 8.2 m | 7,000 |
| MASON CREEK | Idaho | Fair | 1974 | 9.1 m | 7,000 |
| BELLEVUE CANAL | Idaho | Fair | 1931 | 8.5 m | 7,000 |
| S 5750;PINE CR;PINEHURST | Idaho | Fair | 1965 | 120.7 m | 7,000 |
| COEUR DALENE RIVER | Idaho | Fair | 1964 | 155.1 m | 7,000 |
| LATOUR CREEK ROAD IC | Idaho | Fair | 1964 | 74.1 m | 7,000 |
| LATOUR CREEK ROAD IC | Idaho | Fair | 1964 | 74.1 m | 7,000 |
| US 95 RAMP;WASHINGTON IC | Idaho | Fair | 1980 | 77.1 m | 7,000 |
| FARMERS COOP CANAL | Idaho | Good | 2001 | 10.7 m | 7,000 |
| SAND CREEK | Idaho | Good | 2024 | 15.8 m | 6,900 |
| SNAKE RIVER | Idaho | Poor | 1936 | 147.2 m | 6,900 |
| M CANAL | Idaho | Good | 1984 | 14.6 m | 6,900 |
| U CANAL | Idaho | Fair | 1984 | 49.4 m | 6,900 |
| R CANAL | Idaho | Fair | 1984 | 17.1 m | 6,900 |
| LAST CHANCE CANAL | Idaho | Good | 2016 | 9.1 m | 6,800 |
| I 84 WB OFF RAMP | Idaho | Fair | 2003 | 100.6 m | 6,800 |
| BOISE RIVER | Idaho | Good | 1996 | 455.7 m | 6,800 |
| ELIZABETH PARK | Idaho | Good | 2022 | 40.5 m | 6,750 |
| UPRR;POCATELLO AIRPORT | Idaho | Fair | 1968 | 52.1 m | 6,750 |
| UPRR;POCATELLO AIRPORT | Idaho | Fair | 1968 | 52.1 m | 6,750 |
| PORTNEUF RIVER | Idaho | Fair | 1968 | 29.3 m | 6,750 |
| PORTNEUF RIVER | Idaho | Fair | 1968 | 29.3 m | 6,750 |
| SMA 7031;HAWTHORNE RD.GS | Idaho | Fair | 1968 | 37.5 m | 6,750 |
| SMA 7031;HAWTHORNE RD.GS | Idaho | Fair | 1968 | 37.5 m | 6,750 |
| ELIZABETH PARK | Idaho | Good | 2023 | 40.5 m | 6,750 |
| STC 5756;BIG CREEK RD IC | Idaho | Fair | 1969 | 30.5 m | 6,750 |
| STC 5756;BIG CREEK RD IC | Idaho | Fair | 1969 | 30.5 m | 6,750 |
| GOLDEN GATE CANAL | Idaho | Good | 1976 | 9.1 m | 6,700 |
| RIDENBAUGH CANAL | Idaho | Poor | 1954 | 21.6 m | 6,700 |
| BOISE RIVER(BARBER BR) | Idaho | Poor | 1954 | 96.0 m | 6,700 |
| UNION PACIFIC RR | Idaho | Good | 2022 | 44.3 m | 6,700 |
| PHYLLIS CANAL | Idaho | Fair | 1965 | 14.0 m | 6,700 |
| FOUR MILE CREEK | Idaho | Good | 2018 | 17.7 m | 6,600 |
| DEEP CREEK | Idaho | Good | 2024 | 92.0 m | 6,600 |
| FARMERS UNION CANAL | Idaho | Fair | 2012 | 9.4 m | 6,600 |
| RIDENBAUGH CANAL | Idaho | Fair | 1978 | 15.2 m | 6,500 |
| STC 1702;WOODRUFF RD.IC | Idaho | Fair | 1975 | 41.5 m | 6,500 |
| STC 1755; ARIMO RD.IC | Idaho | Good | 2022 | 32.9 m | 6,500 |
| STC 1755;ARIMO RD.IC | Idaho | Good | 2022 | 33.5 m | 6,500 |
| BOISE RVR SLOUGH;RAMP | Idaho | Good | 1991 | 76.8 m | 6,500 |
| BUFFALO RIVER;PONDS BR. | Idaho | Fair | 1975 | 54.9 m | 6,500 |
| HENRYS FK. SNAKE RIVER | Idaho | Fair | 1975 | 54.9 m | 6,500 |
| HENRYS LAKE OUTLET | Idaho | Fair | 1987 | 18.3 m | 6,500 |
| DEER FLAT NAMPA CANAL | Idaho | Fair | 1992 | 7.6 m | 6,500 |
| NEW YORK CANAL | Idaho | Good | 2018 | 36.4 m | 6,500 |
| PORTNEUF RIVER | Idaho | Fair | 1967 | 35.7 m | 6,500 |
| LAKE FORK CREEK | Idaho | Fair | 1985 | 29.0 m | 6,500 |
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.