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 |
|---|---|---|---|---|---|
| SPRUCE CREEK | Iowa | Fair | 1986 | 70.7 m | 3,100 |
| STREAM | Iowa | Good | 1986 | 6.7 m | 3,100 |
| TETE DES MORTS CREEK | Iowa | Fair | 1986 | 68.6 m | 3,100 |
| FLINT CREEK | Iowa | Good | 2020 | 83.0 m | 3,100 |
| BULGERS RUN | Iowa | Good | 2021 | 8.1 m | 3,090 |
| STREAM | Iowa | Good | 1924 | 7.8 m | 3,090 |
| SPENCER CREEK | Iowa | Good | 2010 | 30.5 m | 3,090 |
| DRAINAGE DITCH | Iowa | Fair | 1983 | 8.8 m | 3,090 |
| POWLEY DRAIN DITCH | Iowa | Fair | 1983 | 22.3 m | 3,090 |
| STREAM | Iowa | Good | 2023 | 22.1 m | 3,090 |
| STREAM | Iowa | Fair | 2012 | 38.3 m | 3,090 |
| BOYER RIVER | Iowa | Fair | 1968 | 86.9 m | 3,090 |
| MILL CREEK | Iowa | Good | 2019 | 36.9 m | 3,090 |
| WILLOW CREEK | Iowa | Good | 1981 | 65.8 m | 3,087 |
| DRAINAGE | Iowa | Good | 1970 | 7.6 m | 3,080 |
| BLUEGRASS CREEK | Iowa | Good | 2006 | 63.7 m | 3,080 |
| MOSQUITO CREEK | Iowa | Fair | 1981 | 40.5 m | 3,080 |
| HONEY CREEK | Iowa | Good | 1983 | 58.2 m | 3,080 |
| CITY RESERVOIR INLET | Iowa | Good | 1958 | 6.4 m | 3,080 |
| LITTLE WHITE BREAST CK | Iowa | Fair | 1958 | 39.3 m | 3,080 |
| WAPSI CREEK | Iowa | Poor | 1971 | 31.4 m | 3,080 |
| STREAM | Iowa | Fair | 1928 | 6.4 m | 3,070 |
| DRAINAGE DITCH | Iowa | Good | 1978 | 6.4 m | 3,067 |
| CANADIAN PACIFIC RR | Iowa | Good | 2021 | 73.5 m | 3,057 |
| MUCHINOCK CREEK | Iowa | Fair | 1969 | 30.5 m | 3,055 |
| JACK CREEK | Iowa | Good | 1998 | 56.7 m | 3,050 |
| POTATO CREEK | Iowa | Good | 1966 | 101.8 m | 3,050 |
| CN RR & MERIWEATHER DR | Iowa | Fair | 1959 | 201.2 m | 3,050 |
| SMALL STREAM | Iowa | Fair | 1964 | 7.6 m | 3,050 |
| BNSF RR & CITY STREETS | Iowa | Fair | 1972 | 207.6 m | 3,050 |
| PIGEON CREEK | Iowa | Fair | 1966 | 81.1 m | 3,050 |
| DES MOINES RIVER | Iowa | Fair | 1959 | 368.5 m | 3,050 |
| STREAM | Iowa | Fair | 1928 | 7.0 m | 3,050 |
| SMALL STREAM | Iowa | Good | 2017 | 24.7 m | 3,050 |
| BIG ELKHORN CREEK | Iowa | Good | 1987 | 9.8 m | 3,050 |
| POTATO CREEK | Iowa | Good | 1966 | 101.8 m | 3,050 |
| PIGEON CREEK | Iowa | Fair | 1966 | 81.1 m | 3,050 |
| STREAM | Iowa | Fair | 1963 | 6.4 m | 3,050 |
| US 30 | Iowa | Good | 2001 | 83.8 m | 3,050 |
| DME RR | Iowa | Good | 2007 | 74.1 m | 3,050 |
| JACK CREEK | Iowa | Good | 2000 | 57.0 m | 3,050 |
| US 30 | Iowa | Good | 2006 | 83.8 m | 3,050 |
| ROCK CREEK | Iowa | Good | 1984 | 7.3 m | 3,050 |
| I 80 | Iowa | Good | 2010 | 112.7 m | 3,048 |
| DRY RUN CREEK | Iowa | Good | 2007 | 51.8 m | 3,040 |
| DRAINAGE DITCH | Iowa | Fair | 1944 | 9.1 m | 3,040 |
| SEVEN MILE CREEK | Iowa | Fair | 1971 | 11.9 m | 3,040 |
| FOUR MILE CREEK | Iowa | Fair | 1971 | 52.1 m | 3,040 |
| LITTLE WAP RIVER OVRFLW | Iowa | Good | 2001 | 34.4 m | 3,030 |
| EAST PIGEON CREEK | Iowa | Fair | 1982 | 7.6 m | 3,030 |
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.