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 | 1900 | 10 | 7.6 m | |
| UNNAMED STREAM | Iowa | 1976 | 10 | 9.4 m | |
| SMALL STREAM | Iowa | 1987 | 10 | 11.9 m | |
| CREEK | Iowa | 1971 | 10 | 13.4 m | |
| CREEK | Iowa | 1973 | 10 | 7.6 m | |
| BRANCH ELK CREEK | Iowa | 1974 | 10 | 30.5 m | |
| PANTHER CREEK | Iowa | 1920 | 10 | 9.8 m | |
| SCHNEIDERS CREEK | Iowa | 1914 | 10 | 22.6 m | |
| YANKEE RUN CREEK | Iowa | 1968 | 10 | 38.7 m | |
| STREAM | Iowa | 1966 | 10 | 9.1 m | |
| SIDE DITCH | Iowa | 1963 | 10 | 12.5 m | |
| BUTTRICKS CREEK | Iowa | 1900 | 10 | 17.7 m | |
| DRAINAGE WAY | Iowa | 1945 | 10 | 7.0 m | |
| PICAYUNE CR | Iowa | 1915 | 10 | 9.1 m | |
| SIDE DITCH | Iowa | 1900 | 10 | 14.3 m | |
| BRANCH N SKUNK RIVER | Iowa | 1939 | 10 | 6.7 m | |
| DRAINAGE DITCH(SDB) | Iowa | 1920 | 10 | 6.4 m | |
| STREAM | Iowa | 1977 | 10 | 6.4 m | |
| STREAM | Iowa | 1984 | 10 | 7.9 m | |
| SMALL STREAM | Iowa | 1968 | 10 | 7.6 m | |
| SMALL STREAM | Iowa | 1942 | 10 | 7.3 m | |
| SIDE DITCH | Iowa | 1980 | 10 | 6.7 m | |
| SIDE DRAINAGE (SDB) | Iowa | 1976 | 10 | 9.4 m | |
| SM STREAM | Iowa | 1928 | 10 | 9.1 m | |
| STREAM (SDB) | Iowa | 1900 | 10 | 14.0 m | |
| SMALL STREAM | Iowa | 1961 | 10 | 13.4 m | |
| CAMP CREEK TRIBUTARY | Iowa | 1950 | 10 | 16.8 m | |
| STREAM (SDB) | Iowa | 1900 | 10 | 7.3 m | |
| STREAM (SDB) | Iowa | 1900 | 10 | 7.3 m | |
| DRAINAGE (SDB) | Iowa | 1990 | 10 | 9.8 m | |
| DRAINAGE (SDB) | Iowa | 1900 | 10 | 7.0 m | |
| DRAINAGE (SDB) | Iowa | 1900 | 10 | 7.6 m | |
| DRAINAGE (SDB) | Iowa | 1900 | 10 | 7.0 m | |
| SIDE DITCH BRIDGE | Iowa | 1948 | 10 | 8.2 m | |
| SIDE DITCH BRIDGE | Iowa | 1912 | 10 | 11.9 m | |
| SIDE DITCH | Iowa | 1983 | 10 | 10.1 m | |
| BRUSH CREEK | Iowa | 1946 | 10 | 11.1 m | |
| LONG CREEK | Iowa | 2003 | 10 | 9.8 m | |
| DRAINAGE | Iowa | 1930 | 9 | 20.1 m | |
| WEST FORK 102 RIVER | Iowa | 1958 | 5 | 28.3 m | |
| WEST FORK 102 RIVER | Iowa | 1984 | 5 | 15.5 m | |
| STREAM | Iowa | 1964 | 5 | 12.2 m | |
| LONG BRANCH | Iowa | 1960 | 5 | 18.0 m | |
| STREAM | Iowa | 1968 | 5 | 7.6 m | |
| STREAM | Iowa | 1962 | 5 | 9.8 m | |
| EAST NODAWAY RIVER | Iowa | 1900 | 5 | 24.4 m | |
| KEMP CREEK | Iowa | 1900 | 5 | 18.9 m | |
| MIDDLE NODAWAY RIVER | Iowa | 1930 | 5 | 68.6 m | |
| STREAM | Iowa | 1965 | 5 | 12.2 m | |
| STREAM | Iowa | 1960 | 5 | 9.1 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.