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 |
|---|---|---|---|---|---|
| RUNNING SLOUGH DRAIN | Iowa | Good | 2010 | 31.4 m | 260 |
| STREAM | Iowa | Fair | 1900 | 7.0 m | 260 |
| ASHTON CREEK | Iowa | Poor | 1974 | 31.1 m | 260 |
| STREAM | Iowa | Poor | 1956 | 7.0 m | 260 |
| ELWOOD CREEK | Iowa | Good | 1981 | 30.5 m | 260 |
| SMALL STREAM | Iowa | Good | 1981 | 7.3 m | 260 |
| SMALL STREAM | Iowa | Fair | 1974 | 6.7 m | 260 |
| INDIAN CREEK | Iowa | Fair | 1994 | 6.4 m | 260 |
| DRAINAGE DITCH | Iowa | Fair | 1961 | 6.7 m | 260 |
| CLEMONS CREEK | Iowa | Fair | 1990 | 7.9 m | 260 |
| STREAM | Iowa | Fair | 1956 | 6.7 m | 260 |
| NORTH RIVER | Iowa | Poor | 1962 | 77.4 m | 260 |
| SMALL STREAM | Iowa | Fair | 1980 | 8.8 m | 260 |
| KINCAID CREEK | Iowa | Good | 2015 | 22.3 m | 260 |
| STREAM | Iowa | Fair | 1977 | 54.3 m | 260 |
| SPEARMAN BRANCH | Iowa | Fair | 1979 | 6.4 m | 260 |
| LYTLE CREEK | Iowa | Fair | 1992 | 58.5 m | 260 |
| DRAINAGE | Iowa | Fair | 1950 | 8.2 m | 260 |
| CARTERS CREEK | Iowa | Poor | 1967 | 46.0 m | 260 |
| FOUR MILE CREEK | Iowa | Good | 1975 | 6.7 m | 259 |
| JOHNS CREEK | Iowa | Fair | 1971 | 38.7 m | 259 |
| FIELD DRAINAGE DITCH | Iowa | Fair | 1949 | 9.8 m | 259 |
| I-80 | Iowa | Fair | 1959 | 67.7 m | 259 |
| WATERWAY | Iowa | Fair | 1949 | 10.7 m | 259 |
| JORDAN CREEK | Iowa | Good | 2012 | 8.8 m | 259 |
| SEVEN MILE CREEK | Iowa | Good | 2007 | 58.5 m | 259 |
| TARKIO CREEK | Iowa | Good | 2006 | 16.8 m | 259 |
| GOLLS CREEK | Iowa | Poor | 1969 | 12.2 m | 259 |
| CEDAR CREEK | Iowa | Fair | 1964 | 23.8 m | 259 |
| WILLOW CREEK | Iowa | Fair | 2003 | 39.0 m | 259 |
| SOUTH RACCOON | Iowa | Fair | 1972 | 39.0 m | 259 |
| DD 198 | Iowa | Fair | 1998 | 23.8 m | 259 |
| SMALL STREAM | Iowa | Good | 1994 | 7.0 m | 259 |
| DITCH NO.60 | Iowa | Poor | 1967 | 23.8 m | 259 |
| WEST RAT CREEK | Iowa | Fair | 1977 | 11.6 m | 259 |
| EAST IOWA RIVER | Iowa | Poor | 1967 | 39.3 m | 259 |
| PERRY CREEK | Iowa | Good | 1995 | 26.8 m | 259 |
| SMALL STREAM | Iowa | Good | 1987 | 7.3 m | 259 |
| DRAINAGE DITCH 6 | Iowa | Poor | 1968 | 14.6 m | 259 |
| KILPATRICK CREEK | Iowa | Good | 1990 | 31.7 m | 259 |
| FROST CREEK | Iowa | Fair | 1974 | 39.0 m | 259 |
| ROCK CREEK | Iowa | Fair | 1976 | 15.2 m | 259 |
| CAMP CREEK | Iowa | Fair | 1971 | 47.2 m | 259 |
| IA 60 | Iowa | Good | 2004 | 86.9 m | 259 |
| CREAMERY CREEK | Iowa | Poor | 1961 | 18.9 m | 257 |
| DRAINAGE DITCH #15 | Iowa | Good | 2019 | 8.2 m | 257 |
| IOWA RIVER | Iowa | Good | 1983 | 68.9 m | 257 |
| DRAINAGE | Iowa | Good | 2011 | 11.6 m | 257 |
| LITTLE BEAR CREEK | Iowa | Fair | 1989 | 23.8 m | 256 |
| OVER CNW RR | Iowa | Poor | 1936 | 38.7 m | 255 |
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.