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 |
|---|---|---|---|---|---|
| SNIPE CREEK | Iowa | 1939 | 21 | 7.9 m | |
| ELK CREEK | Iowa | 1957 | 21 | 16.5 m | |
| DAVISONS CREEK | Iowa | 1951 | 21 | 7.0 m | |
| LINN CREEK | Iowa | 1916 | 21 | 6.4 m | |
| MINERVA CR | Iowa | 1917 | 21 | 7.9 m | |
| LITTLE ASHER CREEK | Iowa | 1944 | 21 | 23.5 m | |
| CREEK | Iowa | 1947 | 21 | 8.2 m | |
| CREEK | Iowa | 1940 | 21 | 7.3 m | |
| N MINERVA CREEK | Iowa | 1917 | 21 | 27.4 m | |
| BIG INDIAN CREEK | Iowa | 1960 | 21 | 30.8 m | |
| IOWA RIVER | Iowa | 1930 | 21 | 27.7 m | |
| EAGLE CREEK | Iowa | 1981 | 21 | 7.9 m | |
| DD #107 | Iowa | 1972 | 21 | 17.4 m | |
| DR TO ENGLISH CREEK | Iowa | 1900 | 21 | 6.1 m | |
| CREEK | Iowa | 1942 | 21 | 6.7 m | |
| BARRY CREEK | Iowa | 1938 | 21 | 7.0 m | |
| STREAM | Iowa | 1944 | 21 | 9.1 m | |
| STREAM | Iowa | 1943 | 21 | 9.4 m | |
| ELKHORN CREEK | Iowa | 1958 | 21 | 44.5 m | |
| DD 98 | Iowa | 1972 | 21 | 10.1 m | |
| LIZARD CREEK | Iowa | 1921 | 21 | 19.5 m | |
| DD 21 | Iowa | 1960 | 21 | 9.8 m | |
| DD 175 | Iowa | 1926 | 21 | 16.5 m | |
| CREEK | Iowa | 1925 | 21 | 9.8 m | |
| WOLF CREEK | Iowa | 1940 | 20 | 13.1 m | |
| CREEK | Iowa | 1948 | 20 | 34.4 m | |
| CREEK | Iowa | 1959 | 20 | 18.9 m | |
| TROUBLESOME RIVER | Iowa | 1959 | 20 | 51.8 m | |
| WHISKEY CREEK | Iowa | 1929 | 20 | 25.6 m | |
| MIDDLE BR WAPSINONOC CR | Iowa | 1895 | 20 | 11.9 m | |
| MIDDLE BR WAPSINONOC CR | Iowa | 1930 | 20 | 19.5 m | |
| STREAM | Iowa | 1915 | 20 | 6.7 m | |
| EAST SUGAR CREEK | Iowa | 1914 | 20 | 22.9 m | |
| CROOKED CR | Iowa | 1930 | 20 | 19.8 m | |
| MILL CR | Iowa | 1930 | 20 | 10.7 m | |
| PIONEER CREEK | Iowa | 1976 | 20 | 12.5 m | |
| ROCK CREEK | Iowa | 1900 | 20 | 15.9 m | |
| STREAM | Iowa | 1968 | 20 | 18.3 m | |
| N PIERSON CREEK | Iowa | 1920 | 20 | 8.5 m | |
| PITCHER CREEK | Iowa | 1921 | 20 | 8.8 m | |
| BOONE RIVER | Iowa | 1925 | 20 | 11.3 m | |
| SMALL STREAM | Iowa | 1987 | 20 | 12.8 m | |
| TIPTON CREEK | Iowa | 1900 | 20 | 36.6 m | |
| TIPTON CREEK | Iowa | 1985 | 20 | 17.4 m | |
| MOSQUITO CREEK | Iowa | 1940 | 20 | 55.2 m | |
| KEG CREEK | Iowa | 1957 | 20 | 12.8 m | |
| MOSQUITO CREEK | Iowa | 1930 | 20 | 67.7 m | |
| ALLEN CREEK | Iowa | 1959 | 20 | 18.9 m | |
| ALLEN CREEK | Iowa | 1976 | 20 | 20.4 m | |
| CRANE CREEK | Iowa | 1937 | 20 | 41.5 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.