Poor Condition Bridges in Iowa
4,423 bridges rated Poor condition in Iowa. FHWA National Bridge Inventory.
Bridges Rated Poor Condition
A bridge is rated Poor when one or more of its major components (deck, superstructure, or substructure) has a condition rating of 4 or below on the FHWA 0-9 scale. Poor condition does not mean imminent danger of collapse, but indicates significant deterioration requiring priority maintenance or replacement. There are 4,423 such bridges in Iowa.
| Bridge | State | Condition | Year Built | ADT | Length |
|---|---|---|---|---|---|
| STREAM | Iowa | 1950 | 5 | 16.2 m | |
| STREAM | Iowa | 1970 | 5 | 10.7 m | |
| EAGLE CREEK | Iowa | 1975 | 5 | 7.3 m | |
| WEST LITTLE RIVER | Iowa | 1930 | 5 | 15.9 m | |
| CEDAR CREEK | Iowa | 1979 | 5 | 12.8 m | |
| SIN CREEK | Iowa | 1979 | 5 | 17.4 m | |
| STREAM | Iowa | 1940 | 5 | 7.9 m | |
| STREAM | Iowa | 1992 | 5 | 16.5 m | |
| STREAM | Iowa | 1972 | 5 | 25.3 m | |
| SPRING CREEK | Iowa | 1910 | 5 | 18.6 m | |
| MINERS CREEK | Iowa | 1915 | 4 | 11.3 m | |
| PRAIRIE CREEK | Iowa | 1952 | 1 | 10.6 m | |
| STREAM | Iowa | 1920 | - | 11.9 m | |
| DEVILS RUN | Iowa | 1900 | - | 9.8 m | |
| BYERS BRANCH CREEK | Iowa | 1947 | - | 6.4 m | |
| BR N CEDAR CREEK | Iowa | 1940 | - | 22.3 m | |
| JORDAN CREEK | Iowa | 1916 | - | 10.1 m | |
| WATERMAN CR | Iowa | 1915 | - | 23.5 m | |
| PIGEON CREEK | Iowa | 1947 | - | 29.9 m | |
| CREEK | Iowa | 1900 | - | 8.5 m | |
| STREAM | Iowa | 1980 | - | 13.1 m | |
| STREAM | Iowa | 1934 | - | 12.2 m | |
| DUTCH CREEK | Iowa | 1925 | - | 12.2 m |
About Poor Condition Bridge Ratings
FHWA rates bridge components on a 0-9 scale. A rating of 4 or below on any major component (deck, superstructure, substructure) classifies the bridge as Poor condition. The bridge remains open to traffic but requires priority attention. Bridges rated 0-2 are immediately closed.