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 |
|---|---|---|---|---|---|
| GREENBRIER CREEK | Iowa | Poor | 1971 | 23.8 m | 190 |
| TETE DES MORTS CREEK | Iowa | Good | 2012 | 39.6 m | 190 |
| MUD CREEK | Iowa | Fair | 1986 | 20.4 m | 190 |
| BRANCH MAPLE RIVER | Iowa | Good | 2019 | 15.5 m | 190 |
| CARTER CREEK | Iowa | Poor | 1941 | 12.8 m | 190 |
| BUTTRICKS CREEK | Iowa | Fair | 1977 | 46.0 m | 190 |
| BIG SLOUGH CREEK | Iowa | Good | 2021 | 28.3 m | 190 |
| WINNEBAGO RIVER | Iowa | Fair | 1974 | 46.9 m | 190 |
| RACCOON RIVER | Iowa | Fair | 1975 | 119.5 m | 190 |
| SEVEN MILE CREEK | Iowa | Poor | 1969 | 12.5 m | 190 |
| CREEK | Iowa | Poor | 1963 | 6.4 m | 190 |
| PLUM CREEK | Iowa | Good | 2009 | 31.4 m | 189 |
| BACON CREEK | Iowa | Poor | 1900 | 11.0 m | 188 |
| LATERAL #77 DD #23 | Iowa | Good | 2001 | 7.9 m | 188 |
| MAPLE RIVER | Iowa | Good | 1957 | 62.2 m | 188 |
| TRIB TO PRAIRIE CREEK | Iowa | Fair | 1981 | 13.1 m | 187 |
| TIMBER CREEK | Iowa | Fair | 1991 | 57.9 m | 187 |
| BR OF CHARITON RIVER | Iowa | Fair | 1959 | 10.1 m | 187 |
| DRAINAGE DITCH | Iowa | Good | 2014 | 24.8 m | 187 |
| ELK CREEK | Iowa | Fair | 2001 | 10.7 m | 187 |
| US 20 | Iowa | Good | 1980 | 78.3 m | 187 |
| SEWER CREEK | Iowa | Good | 2018 | 21.3 m | 187 |
| BEAVER CREEK | Iowa | Fair | 1961 | 20.7 m | 187 |
| BIG MINERVA CREEK | Iowa | Fair | 1999 | 46.6 m | 187 |
| CREEK | Iowa | Fair | 1976 | 9.1 m | 187 |
| CANOE CREEK | Iowa | Good | 2006 | 38.1 m | 187 |
| WOLF CREEK | Iowa | Poor | 1966 | 31.1 m | 187 |
| FLOOD CREEK | Iowa | Fair | 1964 | 56.4 m | 187 |
| BRANCH BEAVER CREEK | Iowa | Good | 1997 | 46.9 m | 187 |
| BEAVER CREEK | Iowa | Good | 2008 | 54.6 m | 187 |
| EAST WAPSIPINICON RIVER | Iowa | Good | 2022 | 46.0 m | 187 |
| SILVER CREEK | Iowa | Poor | 1928 | 10.1 m | 187 |
| ENGLISH CREEK | Iowa | Fair | 1953 | 61.9 m | 187 |
| DOWD CREEK BRANCH | Iowa | Fair | 1965 | 9.1 m | 187 |
| DOWD CREEK BRANCH | Iowa | Poor | 1966 | 17.7 m | 187 |
| OVER BNSF RR | Iowa | Poor | 1994 | 78.0 m | 187 |
| TRIB TO CRANE CREEK | Iowa | Fair | 2001 | 15.9 m | 187 |
| BASKINS CREEK | Iowa | Fair | 1976 | 39.0 m | 187 |
| FARM CREEK | Iowa | Fair | 1951 | 21.3 m | 187 |
| LITTLE WAPSIPINICON | Iowa | Good | 2009 | 46.6 m | 187 |
| DRAINAGE | Iowa | Fair | 1976 | 31.4 m | 186 |
| RUSH LAKE OUTLET | Iowa | Good | 1975 | 7.9 m | 185 |
| STONY CREEK | Iowa | Fair | 2003 | 39.0 m | 185 |
| DRY CREEK | Iowa | Fair | 1938 | 32.0 m | 185 |
| MAD CREEK | Iowa | Poor | 1924 | 12.2 m | 184 |
| BEAVER CREEK | Iowa | Good | 2023 | 34.4 m | 183 |
| DRAINAGE DISTRICT #51 | Iowa | Fair | 1991 | 7.6 m | 183 |
| STREAM | Iowa | Good | 2007 | 9.8 m | 182 |
| FLEENER CREEK | Iowa | Poor | 1917 | 7.6 m | 181 |
| STREAM | Iowa | Good | 2002 | 10.4 m | 181 |
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.