Browse Bridge Database
23,716 bridges in the FHWA National Bridge Inventory in Iowa.
National Bridge Inventory Database
Browse 23,716 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 |
|---|---|---|---|---|---|
| SNAG CREEK | Iowa | Fair | 1989 | 53.0 m | 585 |
| TIMBER CREEK | Iowa | Fair | 1995 | 10.7 m | 584 |
| APPLE CREEK | Iowa | Good | 2020 | 21.3 m | 583 |
| WILLOW CREEK | Iowa | Poor | 1964 | 23.5 m | 580 |
| AMES CREEK | Iowa | Good | 2003 | 31.4 m | 580 |
| SOLDIER RIVER | Iowa | Fair | 1998 | 71.9 m | 580 |
| SOLDIER RIVER | Iowa | Good | 2014 | 81.4 m | 580 |
| DRAINAGE DITCH | Iowa | Good | 2008 | 7.6 m | 580 |
| JORDAN CREEK | Iowa | Good | 1964 | 62.2 m | 580 |
| DEEP CREEK | Iowa | Fair | 1989 | 40.5 m | 580 |
| NATURAL STREAM | Iowa | Good | 2015 | 39.9 m | 580 |
| CANOE CREEK | Iowa | Good | 1959 | 7.3 m | 580 |
| OVERFLOW CHANNEL | Iowa | Good | 2008 | 7.6 m | 580 |
| BLACKHAWK CREEK | Iowa | Poor | 1967 | 54.3 m | 579 |
| PANTHER CREEK | Iowa | Fair | 1968 | 30.5 m | 579 |
| BLACKHAWK CREEK BRANCH | Iowa | Fair | 1966 | 7.3 m | 579 |
| BLACKHAWK CREEK BRANCH | Iowa | Fair | 1966 | 12.8 m | 579 |
| SMALL STREAM | Iowa | Good | 2000 | 7.9 m | 579 |
| LITTLE CEDAR | Iowa | Poor | 1964 | 55.8 m | 579 |
| SMALL STREAM | Iowa | Good | 1992 | 7.6 m | 579 |
| WHITE WATER | Iowa | Good | 2005 | 66.1 m | 579 |
| MAYNES CREEK | Iowa | Good | 1992 | 53.6 m | 579 |
| SMALL STREAM | Iowa | Good | 2017 | 7.6 m | 579 |
| BEAVER CREEK | Iowa | Fair | 1957 | 39.6 m | 579 |
| BRANCH IOWA RIVER | Iowa | Poor | 1969 | 10.1 m | 579 |
| BRANCH CRANE CREEK | Iowa | Fair | 1968 | 17.7 m | 579 |
| CRANE CREEK | Iowa | Poor | 1968 | 9.8 m | 579 |
| HARTGRAVE CREEK | Iowa | Good | 2013 | 90.5 m | 579 |
| ELK CREEK | Iowa | Good | 2009 | 46.0 m | 579 |
| FAMERS GARRETSON DITCH | Iowa | Poor | 1962 | 66.8 m | 578 |
| NO LIZARD CK DD #171 | Iowa | Poor | 1965 | 21.0 m | 578 |
| DD 70 | Iowa | Good | 2017 | 7.5 m | 578 |
| OVER CC RR | Iowa | Poor | 1932 | 47.9 m | 578 |
| OCHEYEDAN RIVER | Iowa | Fair | 1969 | 46.3 m | 578 |
| SMALL STREAM | Iowa | Good | 1975 | 7.6 m | 578 |
| WEST RAT CREEK | Iowa | Good | 2007 | 9.1 m | 578 |
| D.D.#40 | Iowa | Fair | 1984 | 23.8 m | 578 |
| SOLDIER CREEK | Iowa | Fair | 1984 | 23.8 m | 578 |
| WILLOW CREEK | Iowa | Good | 2017 | 36.9 m | 578 |
| SMALL | Iowa | Good | 2010 | 6.8 m | 578 |
| RAT CREEK | Iowa | Fair | 1990 | 8.2 m | 578 |
| TRULINER CREEK | Iowa | Good | 1958 | 34.1 m | 578 |
| DRAINAGE DITCH 69 | Iowa | Fair | 1973 | 9.8 m | 578 |
| FLOYD RIVER | Iowa | Fair | 1969 | 53.3 m | 578 |
| D D | Iowa | Fair | 1975 | 23.8 m | 578 |
| NO NAME CREEK | Iowa | Good | 2016 | 6.7 m | 578 |
| WILLOW CREEK | Iowa | Fair | 1997 | 14.6 m | 577 |
| BOYER RIVER | Iowa | Fair | 1974 | 77.1 m | 577 |
| KEG CREEK | Iowa | Fair | 1974 | 55.2 m | 577 |
| BIG CREEK | Iowa | Good | 2020 | 7.7 m | 577 |
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.