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 | 1980 | 17.1 m | 20 |
| SEC.FK.CHIEF EAGLE EYE | Idaho | Good | 1990 | 7.9 m | 20 |
| THIRD FK.CHIEF EAGLE EYE | Idaho | Poor | 1963 | 12.2 m | 20 |
| MIDDLE FK PAYETTE RIVER | Idaho | Fair | 1975 | 22.1 m | 20 |
| M.FK. PAYETTE RIVER | Idaho | Good | 1956 | 23.9 m | 20 |
| JACKKNIFE CREEK | Idaho | Fair | 1963 | 9.1 m | 20 |
| PAASASIKWANA NAOKWAIDE | Idaho | Fair | 1964 | 8.5 m | 20 |
| PAASASIKWANA NAOKWAIDE | Idaho | Fair | 1964 | 9.1 m | 20 |
| ANTELOPE CREEK | Idaho | Good | 2007 | 24.4 m | 20 |
| DRY BED CREEK | Idaho | Fair | 1973 | 12.8 m | 15 |
| PILOT CREEK | Idaho | Good | 2003 | 17.4 m | 15 |
| UPPER ELK CREEK | Idaho | Good | 2003 | 22.6 m | 15 |
| LOWER ELK CREEK | Idaho | Good | 2003 | 22.6 m | 15 |
| PONY CREEK | Idaho | Good | 2003 | 22.6 m | 15 |
| MORES CREEK | Idaho | Good | 1985 | 15.2 m | 15 |
| INDIAN CREEK(#2) | Idaho | Fair | 1970 | 9.1 m | 15 |
| INDIAN CREEK(#3) | Idaho | Fair | 1970 | 9.1 m | 15 |
| INDIAN CREEK(#4) | Idaho | Fair | 1970 | 9.1 m | 15 |
| SLOUGH BRIDGE | Idaho | Poor | 1912 | 29.6 m | 15 |
| TROUT CREEK | Idaho | Poor | 1912 | 27.1 m | 15 |
| CAYUSE CREEK | Idaho | Good | 2017 | 10.7 m | 15 |
| PALOUSE RIVER | Idaho | Good | 1979 | 22.6 m | 15 |
| CAYUSE CREEK | Idaho | Good | 1962 | 8.7 m | 15 |
| PALOUSE RIVER | Idaho | Good | 2021 | 14.6 m | 15 |
| MEADOW CREEK | Idaho | Good | 2020 | 20.1 m | 15 |
| GRAVE CREEK | Idaho | Good | 2014 | 18.9 m | 15 |
| YUBA RIVER | Idaho | Fair | 1976 | 9.1 m | 15 |
| CROOKED RIVER | Idaho | Good | 1971 | 12.8 m | 15 |
| QUEENS RIVER | Idaho | Fair | 1965 | 11.0 m | 15 |
| NORTH FORK BOISE RIVER | Idaho | Fair | 1959 | 44.2 m | 15 |
| S. FK SALMON RIVER | Idaho | Fair | 1976 | 29.6 m | 15 |
| GOLD FORK RIVER | Idaho | Good | 1967 | 10.4 m | 15 |
| THIRD FORK | Idaho | Good | 1970 | 7.3 m | 15 |
| SEC.FK.CHIEF EAGLE EYE | Idaho | Good | 1980 | 9.8 m | 15 |
| EAST BIG PINE CREEK | Idaho | Good | 2007 | 7.3 m | 15 |
| SQUAW CREEK | Idaho | Fair | 1992 | 18.9 m | 13 |
| BEAR RIVER | Idaho | Good | 1965 | 12.2 m | 12 |
| BEAR CREEK | Idaho | Fair | 1963 | 7.6 m | 12 |
| GRIMES CREEK | Idaho | Good | 1982 | 9.1 m | 12 |
| CROOKED RIVER | Idaho | Fair | 1963 | 9.1 m | 12 |
| STONEY MEADOW CREEK | Idaho | Good | 1963 | 12.2 m | 12 |
| M. FORK PAYETTE RIVER | Idaho | Good | 1963 | 9.1 m | 12 |
| BRUSH CREEK | Idaho | Good | 1984 | 8.5 m | 12 |
| MORMON CREEK | Idaho | Good | 2011 | 8.5 m | 12 |
| WILD BUCK CREEK | Idaho | Good | 1975 | 7.3 m | 12 |
| BASIN CREEK | Idaho | Good | 1975 | 7.3 m | 12 |
| BEAR VALLEY CREEK | Idaho | Good | 1969 | 8.5 m | 12 |
| ANDERSON CREEK | Idaho | Good | 1983 | 9.8 m | 12 |
| SOUTH FORK BOISE RIVER | Idaho | Poor | 1989 | 21.3 m | 12 |
| FARMERS FRIEND CNL | Idaho | Good | 2012 | 10.7 m | 10 |
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.