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 |
|---|---|---|---|---|---|
| CREEK | Iowa | Fair | 1965 | 8.2 m | 193 |
| POSSUM CREEK | Iowa | Fair | 1962 | 17.4 m | 193 |
| CYLINDER CREEK | Iowa | Fair | 1966 | 23.8 m | 193 |
| TRAIL | Iowa | Poor | 1940 | 42.7 m | 190 |
| W FK W NISHNABOTNA RIVER | Iowa | Good | 1990 | 48.8 m | 190 |
| N FORK FLOYD RIVER | Iowa | Fair | 1969 | 11.9 m | 190 |
| SIN CREEK | Iowa | Fair | 1969 | 7.6 m | 190 |
| I-80 | Iowa | Fair | 1960 | 65.2 m | 190 |
| E FORK DES MOINES RIVER | Iowa | Good | 2006 | 39.0 m | 190 |
| DRAINAGE | Iowa | Fair | 1966 | 6.4 m | 190 |
| DRAINAGE | Iowa | Fair | 1966 | 12.8 m | 190 |
| E.FK DES MOINES RIVER | Iowa | Good | 1994 | 74.4 m | 190 |
| BRIDGE CREEK | Iowa | Good | 1997 | 43.3 m | 190 |
| SMALL | Iowa | Fair | 1978 | 11.0 m | 190 |
| MOON CREEK | Iowa | Fair | 1965 | 46.6 m | 190 |
| DRAINAGE DITCH #64 | Iowa | Fair | 1947 | 10.4 m | 190 |
| ROCK CREEK | Iowa | Good | 2011 | 46.9 m | 190 |
| ROCK CREEK OVERFLOW | Iowa | Poor | 1953 | 10.1 m | 190 |
| ROCK CREEK | Iowa | Fair | 1929 | 10.7 m | 190 |
| MUD CREEK | Iowa | Good | 2000 | 26.8 m | 190 |
| WHISTLERS BRANCH | Iowa | Good | 2016 | 13.4 m | 190 |
| NODAWAY RIVER | Iowa | Poor | 1970 | 51.8 m | 190 |
| SMALL STREAM | Iowa | Fair | 1975 | 7.9 m | 190 |
| LITTLE ROCK RIVER | Iowa | Fair | 1973 | 53.3 m | 190 |
| EAST NODAWAY RIVER | Iowa | Poor | 1960 | 77.1 m | 190 |
| JONES CREEK | Iowa | Good | 1992 | 6.4 m | 190 |
| MINK CREEK | Iowa | Fair | 1967 | 30.5 m | 190 |
| SMALL STREAM | Iowa | Fair | 1973 | 7.3 m | 190 |
| CREEK | Iowa | Poor | 1963 | 6.4 m | 190 |
| SEVEN MILE CREEK | Iowa | Poor | 1969 | 12.5 m | 190 |
| RACCOON RIVER | Iowa | Fair | 1975 | 119.5 m | 190 |
| WINNEBAGO RIVER | Iowa | Fair | 1974 | 46.9 m | 190 |
| BIG SLOUGH CREEK | Iowa | Good | 2021 | 28.3 m | 190 |
| BUTTRICKS CREEK | Iowa | Fair | 1977 | 46.0 m | 190 |
| CARTER CREEK | Iowa | Poor | 1941 | 12.8 m | 190 |
| BRANCH MAPLE RIVER | Iowa | Good | 2019 | 15.5 m | 190 |
| MUD CREEK | Iowa | Fair | 1986 | 20.4 m | 190 |
| TETE DES MORTS CREEK | Iowa | Good | 2012 | 39.6 m | 190 |
| GREENBRIER CREEK | Iowa | Poor | 1971 | 23.8 m | 190 |
| STREAM | Iowa | Good | 1973 | 42.7 m | 190 |
| OVER BNSF RR | Iowa | Fair | 1966 | 48.8 m | 190 |
| CREEK | Iowa | Fair | 1960 | 7.0 m | 190 |
| GREENBRIAR CREEK | Iowa | Fair | 1977 | 31.4 m | 190 |
| SUN VALLEY CREEK | Iowa | Fair | 1994 | 25.3 m | 190 |
| CARTER CREEK | Iowa | Poor | 1966 | 16.8 m | 190 |
| MAPLE RIVER | Iowa | Good | 2005 | 31.4 m | 190 |
| W FK GRAND RIVER | Iowa | Poor | 1979 | 54.6 m | 190 |
| I-680 | Iowa | Fair | 1976 | 81.7 m | 190 |
| CREEK | Iowa | Fair | 1996 | 7.6 m | 190 |
| BEAR CR | Iowa | Fair | 1962 | 23.5 m | 190 |
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.