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 |
|---|---|---|---|---|---|
| DRAINAGE DITCH 5 | Iowa | Fair | 1965 | 30.5 m | 750 |
| STREAM | Iowa | Poor | 1924 | 10.7 m | 750 |
| STREAM | Iowa | Fair | 1956 | 37.2 m | 750 |
| WAPSIPINICON RIVER | Iowa | Poor | 1965 | 195.7 m | 750 |
| W FORK CROOKED CR | Iowa | Good | 1998 | 11.6 m | 750 |
| CUB CREEK | Iowa | Good | 1994 | 9.1 m | 750 |
| STREAM | Iowa | Good | 2016 | 7.9 m | 750 |
| SKUNK RIVER | Iowa | Fair | 1984 | 148.1 m | 750 |
| WALNUT CREEK | Iowa | Poor | 1967 | 50.0 m | 750 |
| DRAINAGE | Iowa | Good | 1986 | 25.3 m | 749 |
| BR. UPPER IOWA RIVER | Iowa | Good | 2002 | 11.3 m | 749 |
| DRAINAGE | Iowa | Good | 1972 | 30.5 m | 748 |
| BRUSHSY CREEK | Iowa | Good | 2004 | 46.9 m | 748 |
| DRAINAGE | Iowa | Good | 2008 | 7.3 m | 748 |
| MCELHANEY CREEK | Iowa | Fair | 1973 | 7.9 m | 748 |
| OTTER CREEK | Iowa | Good | 2000 | 58.5 m | 748 |
| BEAMAN CREEK | Iowa | Fair | 1900 | 13.1 m | 748 |
| WILLOW CREEK | Iowa | Fair | 1968 | 39.0 m | 748 |
| SPRING CREEK | Iowa | Good | 1974 | 30.5 m | 748 |
| STREAM-D.D.196 | Iowa | Poor | 1900 | 9.8 m | 748 |
| SAYLOR CREEK | Iowa | Good | 1997 | 7.0 m | 748 |
| PERRY CREEK | Iowa | Fair | 1973 | 27.4 m | 748 |
| SMALL CREEK | Iowa | Good | 2000 | 7.9 m | 748 |
| BRANCH LITTLE SIOUX RVR | Iowa | Good | 2008 | 11.3 m | 748 |
| BROADHORN CREEK | Iowa | Good | 2018 | 43.0 m | 747 |
| PAINTER CREEK | Iowa | Good | 2007 | 39.0 m | 747 |
| S RIVER | Iowa | Good | 2018 | 66.1 m | 747 |
| SMALL CREEK | Iowa | Fair | 1985 | 11.5 m | 746 |
| TURTLE CREEK | Iowa | Fair | 1930 | 19.2 m | 746 |
| CEDAR RIVER | Iowa | Good | 1989 | 92.7 m | 746 |
| CASCADE LANDING | Iowa | Poor | 1896 | 141.4 m | 743 |
| WHITE FOX CREEK | Iowa | Poor | 1963 | 13.1 m | 742 |
| SMALL | Iowa | Good | 2004 | 7.6 m | 740 |
| YELLOW RIVER N FORK | Iowa | Fair | 1962 | 7.3 m | 740 |
| LICK CREEK | Iowa | Good | 2010 | 31.4 m | 740 |
| YANKEE RUN CREEK | Iowa | Poor | 1957 | 23.2 m | 740 |
| PLUM CREEK | Iowa | Fair | 1957 | 13.4 m | 740 |
| US 30 EB TO IA 100 EB | Iowa | Good | 2018 | 174.1 m | 740 |
| US 30 | Iowa | Good | 2018 | 209.4 m | 740 |
| BRUSH CREEK | Iowa | Good | 1975 | 9.1 m | 739 |
| PIERSON CREEK | Iowa | Fair | 1993 | 27.7 m | 738 |
| WEST BRANCH | Iowa | Fair | 1963 | 46.6 m | 738 |
| OCHEYEDAN RIVER | Iowa | Fair | 1973 | 54.6 m | 738 |
| DRY RUN | Iowa | Fair | 1954 | 7.9 m | 738 |
| CROOKED CREEK | Iowa | Fair | 1985 | 53.3 m | 737 |
| IOWA RIVER | Iowa | Good | 2021 | 59.4 m | 737 |
| IOWA RIVER OVERFLOW | Iowa | Good | 2021 | 60.0 m | 737 |
| IOWA RIVER OVERFLOW | Iowa | Good | 2021 | 72.2 m | 737 |
| SMALL NATURAL STREAM | Iowa | Poor | 1935 | 6.4 m | 737 |
| HAUGH CREEK | Iowa | Good | 2005 | 6.7 m | 737 |
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.