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 |
|---|---|---|---|---|---|
| STREAM | Iowa | Fair | 1958 | 7.6 m | 2,900 |
| SOUTH SKUNK RIVER | Iowa | Fair | 1985 | 138.1 m | 2,900 |
| BIG CREEK | Iowa | Good | 2002 | 66.8 m | 2,900 |
| IOWA RIVER | Iowa | Good | 2022 | 64.6 m | 2,900 |
| MUD CREEK | Iowa | Fair | 1984 | 23.8 m | 2,896 |
| DRAINAGE DITCH | Iowa | Good | 2010 | 24.1 m | 2,892 |
| DRY CREEK | Iowa | Fair | 1987 | 7.0 m | 2,890 |
| UNNAMED STREAM | Iowa | Good | 2011 | 11.9 m | 2,887 |
| ODEBOLT CREEK | Iowa | Poor | 1967 | 46.6 m | 2,884 |
| STREAM | Iowa | Good | 1989 | 7.9 m | 2,880 |
| DRAINAGE DITCH | Iowa | Good | 1985 | 24.1 m | 2,880 |
| E FORK DES MOINES RIVER | Iowa | Fair | 1971 | 75.0 m | 2,880 |
| E FORK DES MOINES RIVER | Iowa | Fair | 1971 | 75.0 m | 2,880 |
| LITTLE TARKIO CREEK | Iowa | Fair | 1964 | 46.6 m | 2,880 |
| QUARTER SECTION RUN | Iowa | Good | 1994 | 39.0 m | 2,877 |
| US 20 | Iowa | Good | 2016 | 77.8 m | 2,877 |
| S RACCOON RIVER | Iowa | Good | 2007 | 149.0 m | 2,872 |
| CREEK | Iowa | Good | 2003 | 9.8 m | 2,863 |
| BNSF RR & CITY STREETS | Iowa | Fair | 1972 | 231.6 m | 2,860 |
| POYNER CREEK | Iowa | Good | 2014 | 8.8 m | 2,860 |
| DRAINAGE DITCH | Iowa | Fair | 1985 | 7.6 m | 2,860 |
| TURKEY RIVER | Iowa | Good | 2006 | 95.7 m | 2,860 |
| L 34 | Iowa | Fair | 1966 | 46.3 m | 2,850 |
| I-80 | Iowa | Good | 1965 | 72.8 m | 2,850 |
| US 218 | Iowa | Fair | 2002 | 69.5 m | 2,850 |
| IOWA 191 | Iowa | Fair | 1966 | 64.0 m | 2,850 |
| BNSF RR | Iowa | Fair | 1966 | 46.9 m | 2,850 |
| BNSF RR | Iowa | Fair | 1966 | 46.9 m | 2,850 |
| L 34 | Iowa | Fair | 1966 | 46.3 m | 2,850 |
| 110TH PLACE | Iowa | Good | 1978 | 46.9 m | 2,850 |
| IOWA 191 | Iowa | Fair | 1966 | 64.0 m | 2,850 |
| WOLF CREEK | Iowa | Fair | 1921 | 18.9 m | 2,850 |
| DES MOINES RIVER | Iowa | Good | 2010 | 125.7 m | 2,850 |
| 110TH PLACE | Iowa | Good | 1978 | 46.9 m | 2,850 |
| RALSTON CREEK | Iowa | Good | 2019 | 13.7 m | 2,850 |
| MONKEY RUN CREEK | Iowa | Fair | 1984 | 37.5 m | 2,850 |
| US 30 | Iowa | Good | 1995 | 86.0 m | 2,847 |
| US 61 | Iowa | Good | 2010 | 79.9 m | 2,840 |
| IOWA RIVER | Iowa | Fair | 1989 | 177.1 m | 2,840 |
| MUCHAKINOCK CREEK | Iowa | Good | 2021 | 71.3 m | 2,840 |
| ROCK CREEK | Iowa | Poor | 1965 | 31.1 m | 2,838 |
| IOWA RIVER | Iowa | Poor | 1955 | 162.8 m | 2,838 |
| WAPSIPINICON RIVER | Iowa | Fair | 1968 | 77.1 m | 2,834 |
| STREAM | Iowa | Fair | 1952 | 9.1 m | 2,834 |
| QUARTER SECTION RUN | Iowa | Good | 2010 | 15.9 m | 2,830 |
| CHARITON RIVER | Iowa | Good | 1983 | 81.1 m | 2,830 |
| CRAINS CREEK | Iowa | Fair | 1958 | 51.8 m | 2,830 |
| DRAINAGE DITCH | Iowa | Fair | 1968 | 7.6 m | 2,830 |
| WILLOW CREEK | Iowa | Fair | 1970 | 54.9 m | 2,830 |
| WAPSINONOC CREEK | Iowa | Good | 1988 | 70.1 m | 2,830 |
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.