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 | Good | 2013 | 34.4 m | 550 |
| CREEK | Iowa | Good | 1964 | 8.2 m | 550 |
| DRAINAGE DITCH | Iowa | Fair | 1997 | 7.6 m | 550 |
| PIKE CREEK | Iowa | Fair | 1986 | 62.2 m | 550 |
| GEDNEY LAKE | Iowa | Fair | 1975 | 112.8 m | 550 |
| DRY RUN | Iowa | Fair | 1986 | 54.6 m | 550 |
| CEDAR RIVER | Iowa | Fair | 1997 | 248.7 m | 550 |
| BLACKHAWK CREEK BRANCH | Iowa | Fair | 1964 | 7.6 m | 550 |
| BRANCH TWO MILE CREEK | Iowa | Fair | 1997 | 8.8 m | 550 |
| BRANCH IOWA RIVER | Iowa | Good | 1999 | 34.4 m | 550 |
| MINERVA CREEK | Iowa | Poor | 1972 | 13.4 m | 550 |
| PRAIRIE CREEK | Iowa | Poor | 1967 | 39.0 m | 550 |
| BRUSH CREEK | Iowa | Good | 2011 | 42.7 m | 550 |
| OLD MANS CREEK | Iowa | Good | 2014 | 61.4 m | 550 |
| SUGAR CREEK | Iowa | Good | 1993 | 12.2 m | 550 |
| CATFISH CREEK | Iowa | Fair | 2006 | 47.5 m | 549 |
| STREAM | Iowa | Fair | 1974 | 35.4 m | 549 |
| NORTH LIZARD CREEK | Iowa | Good | 1997 | 46.9 m | 549 |
| MUD CREEK | Iowa | Good | 2000 | 8.2 m | 549 |
| LIZARD CREEK | Iowa | Poor | 1965 | 61.0 m | 549 |
| LIZARD CREEK | Iowa | Good | 2004 | 46.6 m | 549 |
| LIZARD CREEK | Iowa | Poor | 1965 | 61.0 m | 549 |
| WEST FORK LITTLE SIOUX | Iowa | Poor | 1955 | 65.2 m | 549 |
| CREEK | Iowa | Poor | 1955 | 7.3 m | 549 |
| WEST FORK LITTLE SIOUX | Iowa | Poor | 1955 | 74.4 m | 549 |
| SMALL STREAM | Iowa | Good | 1989 | 23.8 m | 549 |
| DD#34 RACCOON RIVER | Iowa | Fair | 1983 | 8.2 m | 549 |
| JACK CREEK | Iowa | Good | 2019 | 34.7 m | 549 |
| CREEK | Iowa | Good | 2005 | 38.1 m | 548 |
| W BRANCH FLOYD RIVER | Iowa | Fair | 1942 | 50.3 m | 548 |
| MIDDLE RACCOON RIVER | Iowa | Good | 2002 | 69.5 m | 547 |
| INDIAN CREEK | Iowa | Fair | 1935 | 13.7 m | 546 |
| WEST NISHNABOTNA RIVER | Iowa | Fair | 1953 | 24.7 m | 541 |
| DRY RUN CREEK | Iowa | Fair | 1960 | 7.0 m | 541 |
| MAYNES CREEK | Iowa | Fair | 1951 | 56.1 m | 540 |
| EAST FORK WAPSIPINICON | Iowa | Good | 2022 | 24.7 m | 540 |
| SMALL STREAM | Iowa | Fair | 1953 | 31.1 m | 540 |
| SMALL STREAM | Iowa | Good | 1999 | 27.4 m | 540 |
| JESSIE BRANCH | Iowa | Good | 2018 | 26.5 m | 540 |
| PRAIRIE CREEK | Iowa | Good | 2012 | 6.4 m | 540 |
| UNNAMED CREEK | Iowa | Good | 2014 | 6.4 m | 540 |
| PRATT CREEK | Iowa | Poor | 1956 | 6.4 m | 540 |
| SMALL STREAM | Iowa | Fair | 1991 | 7.3 m | 540 |
| SMALL | Iowa | Poor | 1996 | 30.5 m | 540 |
| DRAINAGE DITCH | Iowa | Fair | 1999 | 6.4 m | 540 |
| HONEY CREEK | Iowa | Good | 1992 | 50.9 m | 540 |
| BIG BEAR CREEK | Iowa | Fair | 1995 | 50.9 m | 540 |
| DEER CREEK | Iowa | Good | 2007 | 39.0 m | 540 |
| MAYNES CREEK | Iowa | Fair | 1951 | 56.1 m | 540 |
| SMALL STREAM | Iowa | Good | 2008 | 7.6 m | 540 |
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.