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 |
|---|---|---|---|---|---|
| BROKEN KETTLE CREEK | Iowa | 1900 | 34 | 15.2 m | |
| PIONEER CREEK | Iowa | 1976 | 34 | 9.8 m | |
| CHARITON CREEK | Iowa | 1900 | 34 | 15.5 m | |
| STREAM | Iowa | 1976 | 34 | 7.3 m | |
| WEST CREEK | Iowa | 1966 | 34 | 17.7 m | |
| S FORK CLANTON CREEK | Iowa | 1978 | 34 | 33.8 m | |
| BOYER VALLEY | Iowa | 1925 | 34 | 28.3 m | |
| EAST SOLDIER RIVER | Iowa | 1957 | 34 | 43.0 m | |
| NORTH WYACONDAH CREEK | Iowa | 1914 | 34 | 15.2 m | |
| CREEK | Iowa | 1940 | 34 | 7.3 m | |
| SOAP CR | Iowa | 1958 | 34 | 61.0 m | |
| WOLF CREEK | Iowa | 1957 | 34 | 21.3 m | |
| SMALL | Iowa | 1978 | 34 | 17.4 m | |
| WEST MILL CREEK | Iowa | 1940 | 34 | 24.4 m | |
| BROWN CREEK | Iowa | 1972 | 34 | 17.4 m | |
| HUNTER CREEK | Iowa | 1998 | 34 | 14.6 m | |
| SMALL STREAM | Iowa | 1962 | 34 | 17.4 m | |
| SMALL STREAM | Iowa | 1990 | 34 | 7.0 m | |
| N BR VOLGA RIVER | Iowa | 1950 | 34 | 26.1 m | |
| JIM CREEK | Iowa | 1961 | 34 | 9.4 m | |
| HAMILTON-STORY 1 OPEN DD | Iowa | 1900 | 34 | 14.3 m | |
| LONG BRANCH | Iowa | 1978 | 34 | 12.5 m | |
| TRIB TO MIDDLE RIVER | Iowa | 1966 | 34 | 8.2 m | |
| MUDDY CREEK | Iowa | 1949 | 34 | 13.7 m | |
| ELK GROVE BRANCH | Iowa | 1985 | 34 | 15.2 m | |
| FROST CREEK | Iowa | 1959 | 34 | 30.8 m | |
| DRY BRANCH | Iowa | 1956 | 34 | 11.6 m | |
| STREAM | Iowa | 1957 | 34 | 7.3 m | |
| DRAINAGE DITCH | Iowa | 1920 | 34 | 12.8 m | |
| FARM CREEK | Iowa | 1959 | 34 | 63.1 m | |
| MINK CREEK | Iowa | 1953 | 34 | 31.1 m | |
| CREEK | Iowa | 1939 | 34 | 7.9 m | |
| MINK CREEK | Iowa | 1949 | 34 | 18.3 m | |
| CREEK | Iowa | 1960 | 34 | 38.4 m | |
| NORTH WALNUT CREEK | Iowa | 1951 | 34 | 12.8 m | |
| MOSQUITO CREEK | Iowa | 1940 | 34 | 45.7 m | |
| PIGEON CREEK | Iowa | 1951 | 34 | 39.0 m | |
| DRAINAGE DITCH | Iowa | 2013 | 34 | 7.5 m | |
| STREAM | Iowa | 1972 | 34 | 30.5 m | |
| MINK CREEK | Iowa | 1948 | 34 | 9.1 m | |
| SUGAR CREEK | Iowa | 1958 | 34 | 38.7 m | |
| DRAINAGE | Iowa | 1900 | 34 | 7.6 m | |
| DRAINAGE DITCH NO 69 | Iowa | 1981 | 34 | 17.7 m | |
| SMALL CREEK | Iowa | 1925 | 34 | 10.1 m | |
| STREAM | Iowa | 1963 | 34 | 9.8 m | |
| SOUTH TIMBER CREEK | Iowa | 1949 | 34 | 37.2 m | |
| COAL CREEK | Iowa | 1967 | 34 | 13.7 m | |
| NO NAME CREEK | Iowa | 1926 | 34 | 8.2 m | |
| S FORK ENGLISH RIVER | Iowa | 1953 | 34 | 46.6 m | |
| E FORK DES MOINES RIVER | Iowa | 1900 | 34 | 31.1 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.