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 |
|---|---|---|---|---|---|
| PERRY CREEK CONDUIT | Iowa | Good | 2013 | 23.9 m | 7,065 |
| SMALL NATURAL STREAM | Iowa | Fair | 1952 | 7.3 m | 7,065 |
| IA 22 | Iowa | Fair | 1984 | 72.2 m | 7,050 |
| IA 58 | Iowa | Fair | 1984 | 55.8 m | 7,050 |
| SILVER CREEK | Iowa | Good | 1981 | 58.5 m | 7,050 |
| SO MAIN ST | Iowa | Good | 1993 | 70.4 m | 7,050 |
| SILVER CREEK | Iowa | Good | 1981 | 60.0 m | 7,050 |
| UPRR | Iowa | Good | 2004 | 78.6 m | 7,050 |
| IA 58 | Iowa | Fair | 1984 | 56.7 m | 7,050 |
| WILLOW CREEK | Iowa | Fair | 1978 | 39.0 m | 7,043 |
| DRAINAGE DITCH | Iowa | Fair | 1948 | 11.9 m | 7,000 |
| I-235 | Iowa | Good | 2002 | 101.5 m | 7,000 |
| CRAB APPLE CREEK | Iowa | Good | 2021 | 30.8 m | 7,000 |
| DRAINAGE DITCH | Iowa | Fair | 1948 | 11.6 m | 7,000 |
| FLAT CREEK | Iowa | Fair | 1948 | 8.5 m | 7,000 |
| DRAINAGE DITCH | Iowa | Fair | 1972 | 10.4 m | 7,000 |
| DRY CREEK | Iowa | Fair | 1948 | 8.5 m | 7,000 |
| DRY CREEK | Iowa | Fair | 1948 | 8.5 m | 7,000 |
| East Cedar Creek | Iowa | Good | 2008 | 87.2 m | 7,000 |
| 324TH STREET | Iowa | Fair | 1970 | 60.4 m | 7,000 |
| DRY CREEK | Iowa | Fair | 1948 | 13.1 m | 7,000 |
| BIG CREEK | Iowa | Good | 1992 | 65.8 m | 7,000 |
| OVER UP RR | Iowa | Good | 1967 | 43.0 m | 7,000 |
| GRANGER CREEK | Iowa | Good | 1997 | 54.9 m | 7,000 |
| FORK GRANGER CREEK | Iowa | Good | 1997 | 7.9 m | 7,000 |
| DRY CREEK | Iowa | Fair | 1948 | 8.5 m | 7,000 |
| I-280 | Iowa | Fair | 1971 | 81.7 m | 7,000 |
| STREAM | Iowa | Fair | 1948 | 8.5 m | 7,000 |
| STREAM | Iowa | Fair | 1950 | 7.6 m | 7,000 |
| CRAB APPLE CREEK | Iowa | Fair | 1992 | 31.4 m | 7,000 |
| DRY RUN CREEK | Iowa | Fair | 1969 | 31.4 m | 6,993 |
| SMALL STREAM | Iowa | Good | 1969 | 32.0 m | 6,993 |
| PERRY CREEK | Iowa | Good | 1995 | 46.3 m | 6,989 |
| DES MOINES RIVER | Iowa | Good | 2017 | 135.9 m | 6,971 |
| US 30 & W.11TH ST | Iowa | Fair | 1970 | 78.3 m | 6,950 |
| DRAINAGE DITCH | Iowa | Good | 2003 | 6.4 m | 6,900 |
| DD 9 & 13 | Iowa | Good | 2008 | 7.6 m | 6,900 |
| IOWA RIVER | Iowa | Fair | 1991 | 135.9 m | 6,900 |
| SEERLEY BLVD | Iowa | Good | 1994 | 45.7 m | 6,900 |
| 324TH STREET | Iowa | Fair | 1970 | 60.4 m | 6,900 |
| SEERLEY BLVD | Iowa | Good | 1994 | 45.7 m | 6,900 |
| SO MAIN ST | Iowa | Good | 1993 | 70.4 m | 6,900 |
| IA 22 | Iowa | Good | 1995 | 72.2 m | 6,900 |
| I-80 | Iowa | Good | 2011 | 85.0 m | 6,900 |
| I-80(WALCOTT) | Iowa | Fair | 1992 | 69.8 m | 6,900 |
| SHERMANS CREEK | Iowa | Poor | 1914 | 12.2 m | 6,893 |
| US 30 | Iowa | Good | 2001 | 86.0 m | 6,881 |
| RR CHERRY MLK JR PKWY | Iowa | Poor | 1967 | 461.8 m | 6,875 |
| DES MOINES RIVER | Iowa | Poor | 1987 | 132.9 m | 6,875 |
| WALNUT CREEK | Iowa | Good | 2007 | 75.4 m | 6,875 |
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.