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 |
|---|---|---|---|---|---|
| OTTER CREEK | Iowa | 1972 | 21 | 25.0 m | |
| BIG INDIAN CREEK | Iowa | 1960 | 21 | 30.8 m | |
| SLIPPERY ELM HOLLOW | Iowa | 1966 | 21 | 7.3 m | |
| RELIEF | Iowa | 1961 | 21 | 7.3 m | |
| WALNUT CREEK | Iowa | 1900 | 21 | 41.5 m | |
| STREAM | Iowa | 1965 | 21 | 12.2 m | |
| LOST GROVE CREEK | Iowa | 1914 | 21 | 7.0 m | |
| HARDIN CREEK | Iowa | 1959 | 21 | 23.8 m | |
| DR TO ENGLISH CREEK | Iowa | 1900 | 21 | 6.1 m | |
| ELKHORN CREEK | Iowa | 1958 | 21 | 44.5 m | |
| HOLCOMB CREEK | Iowa | 1975 | 21 | 12.5 m | |
| BOONE RIVER | Iowa | 1927 | 21 | 15.5 m | |
| DD #6 | Iowa | 1970 | 21 | 6.4 m | |
| DRAINAGE DITCH #10 | Iowa | 1994 | 21 | 7.6 m | |
| BRANCH OF SILVER CREEK | Iowa | 1960 | 21 | 7.6 m | |
| HONEY CREEK | Iowa | 1953 | 21 | 23.5 m | |
| HONEY CREEK | Iowa | 1980 | 21 | 9.8 m | |
| CREEK | Iowa | 1991 | 21 | 10.7 m | |
| SMALL | Iowa | 1978 | 21 | 13.1 m | |
| BRANCH SUGAR CREEK | Iowa | 1917 | 21 | 7.0 m | |
| DRAINAGE DITCH | Iowa | 1966 | 21 | 7.9 m | |
| CRANE CREEK | Iowa | 1951 | 21 | 24.4 m | |
| BR OF ENGLISH CREEK | Iowa | 1951 | 21 | 6.1 m | |
| BR OF ENGLISH CREEK | Iowa | 1938 | 21 | 6.7 m | |
| RAT CREEK | Iowa | 1900 | 21 | 14.0 m | |
| OVERFLOW | Iowa | 1900 | 21 | 14.3 m | |
| SMALL STREAM | Iowa | 1900 | 21 | 13.7 m | |
| BR DES MOINES RIVER | Iowa | 1878 | 21 | 182.9 m | |
| SOUTH TIMBER CREEK | Iowa | 1950 | 21 | 23.2 m | |
| SNIPE CREEK | Iowa | 1939 | 21 | 7.9 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 | |
| STREAM | Iowa | 1900 | 21 | 15.2 m | |
| ELK CREEK | Iowa | 1957 | 21 | 16.5 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 | |
| SMALL STREAM | Iowa | 1992 | 21 | 12.2 m | |
| WHITE FOX CREEK | Iowa | 1975 | 21 | 21.6 m | |
| STREAM | Iowa | 1940 | 21 | 11.9 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 |
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.