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 |
|---|---|---|---|---|---|
| NORTH TIMBER CREEK | Iowa | 1951 | 30 | 13.1 m | |
| BRANCH N TIMBER CREEK | Iowa | 1920 | 30 | 7.6 m | |
| BRUSH CREEK | Iowa | 1960 | 30 | 45.7 m | |
| MOON CREEK | Iowa | 1952 | 30 | 23.5 m | |
| DRAINAGE | Iowa | 1957 | 30 | 17.4 m | |
| SMALL STREAM | Iowa | 1978 | 30 | 12.8 m | |
| BEAR CREEK | Iowa | 1900 | 30 | 15.9 m | |
| SMALL STREAM | Iowa | 1952 | 30 | 7.3 m | |
| LIZARD CREEK | Iowa | 1954 | 30 | 11.3 m | |
| ROCK CR | Iowa | 1950 | 30 | 10.7 m | |
| RED ROCK CREEK | Iowa | 1926 | 30 | 10.1 m | |
| LITTLE CEDAR CREEK | Iowa | 1953 | 30 | 18.6 m | |
| CHERRY CREEK | Iowa | 1937 | 30 | 10.7 m | |
| CHERRY CREEK | Iowa | 1927 | 30 | 6.7 m | |
| BURR OAK CREEK | Iowa | 1950 | 30 | 6.1 m | |
| SMALL STREAM | Iowa | 1939 | 30 | 13.1 m | |
| EAST BRANCH LICK CREEK | Iowa | 1950 | 30 | 22.3 m | |
| STREAM | Iowa | 1900 | 30 | 10.7 m | |
| CREEK | Iowa | 1957 | 30 | 7.3 m | |
| STREAM | Iowa | 1952 | 30 | 12.8 m | |
| BR LINN CR | Iowa | 1942 | 30 | 7.0 m | |
| CROOKED CREEK | Iowa | 1952 | 30 | 13.7 m | |
| STREAM | Iowa | 1950 | 30 | 13.4 m | |
| STREAM | Iowa | 1972 | 30 | 12.2 m | |
| BUCK CREEK | Iowa | 1974 | 30 | 7.6 m | |
| STREAM | Iowa | 1971 | 30 | 9.8 m | |
| VILLAGE CREEK | Iowa | 2000 | 30 | 18.3 m | |
| LINN CREEK | Iowa | 1919 | 30 | 10.1 m | |
| LITTLE SOAP CREEK | Iowa | 1930 | 30 | 25.3 m | |
| E FORK DES MOINES RIVER | Iowa | 1980 | 30 | 38.7 m | |
| CREEK | Iowa | 1940 | 30 | 12.5 m | |
| SUGAR CREEK | Iowa | 1949 | 30 | 46.6 m | |
| BUCK CREEK | Iowa | 1976 | 30 | 15.2 m | |
| PICAYUNE CREEK | Iowa | 1934 | 30 | 10.4 m | |
| SUGAR CREEK | Iowa | 1929 | 30 | 10.4 m | |
| WEST BRANCH SUGAR CREEK | Iowa | 1934 | 30 | 10.4 m | |
| BRANCH OTTER CREEK | Iowa | 1970 | 30 | 12.2 m | |
| OTTER CREEK | Iowa | 1920 | 30 | 31.1 m | |
| PILOT CREEK | Iowa | 1976 | 30 | 16.8 m | |
| NORTH ENGLISH RIVER | Iowa | 1983 | 30 | 12.5 m | |
| FLANK CR | Iowa | 1955 | 30 | 16.8 m | |
| CARRUTHERS CREEK | Iowa | 1981 | 30 | 19.8 m | |
| DRAINAGE DITCH 36 | Iowa | 1980 | 30 | 13.4 m | |
| INDIAN CREEK | Iowa | 1956 | 30 | 18.6 m | |
| OTTER CREEK | Iowa | 1900 | 30 | 24.1 m | |
| OVER FLOW | Iowa | 1900 | 30 | 9.8 m | |
| FELTERS BRANCH | Iowa | 1953 | 30 | 13.7 m | |
| TAFT CREEK | Iowa | 1900 | 30 | 9.8 m | |
| STREAM | Iowa | 1953 | 30 | 7.3 m | |
| NORTH WALNUT CREEK | Iowa | 1955 | 30 | 13.7 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.