Bridge conditions in Muscatine County, Iowa
144 inventoried bridges · 30 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Of the 144 Muscatine County bridges in the federal inventory, 30 carry a poor rating. That 20.8% share is roughly 3x the national average.
- 30 of the 144 bridges in Muscatine County, Iowa, are rated in poor condition (20.8%) in the 2025 National Bridge Inventory, as of .
- 52 bridges (36.1%) are rated good and 62 (43.1%) fair.
- The median Muscatine County bridge was built in 1980.
- The busiest poor-rated bridge is FM over Wapsi Creek (built 1971), carrying about 3,080 vehicles a day.
Good 36.1% · Fair 43.1% · Poor 20.8% of 144 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| FM over Wapsi Creek | 1971 | 3,080 | Poor |
| Hwy 927 over Elkhorn Creek | 1929 | 2,340 | Poor |
| US 6 over E Br Wapsinonoc Creek | 1920 | 1,770 | Poor |
| FM over Overflow From Sugar Crk | 1971 | 1,640 | Poor |
| FM over Mud Creek | 1972 | 1,600 | Poor |
| FM over Pine Creek | 1955 | 1,600 | Poor |
| FM over Mud Creek | 1971 | 1,580 | Poor |
| FM over Wapsinonoc Creek | 1981 | 1,510 | Poor |
| FM over Mosquito Ck | 1978 | 1,260 | Poor |
| FM over Mosquito Creek | 1978 | 1,260 | Poor |
| FM over Little Mosquito Creek | 1964 | 990 | Poor |
| FM over Cedar River | 1966 | 990 | Poor |
| FM over Drainage Ditch 2 | 1969 | 840 | Poor |
| Local over Lowe Run | 1928 | 380 | Poor |
| FM over Mud Creek | 1948 | 290 | Poor |
| FM over Creek | 1970 | 200 | Poor |
| Park Ave W over Mad Creek | 1924 | 184 | Poor |
| Local over Wapsinonoc Creek | 1936 | 176 | Poor |
| FM over West Branch Mud Creek | 1960 | 80 | Poor |
| FM over Pine Creek | 1955 | 60 | Poor |
| Local over Pine Creek | 1941 | 51 | Poor |
| Local over Creek | 1960 | 50 | Poor |
| FM over Mud Creek | 1939 | 50 | Poor |
| Local over Mud Creek | 1954 | 47 | Poor |
| Bancroft Ave over Big Slough Creek | 1937 | 45 | Poor |
| Local over Pike Creek | 1900 | 41 | Poor |
| Local over Creek | 1956 | 35 | Poor |
| Local over Creek | 1942 | 21 | Poor |
| Local over Small | 1978 | 15 | Poor |
| Farm Entrance over Drainage Ditch(sdb) | 1920 | 10 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 61 & Ia 22 over Mad Creek | 1984 | 18,300 | Good |
| US 61 over Hershey Ave | 2008 | 12,100 | Good |
| Isett Ave over Geneva Creek | 1980 | 11,716 | Fair |
| E 2ND St over Mad Creek | 1963 | 8,700 | Fair |
| Ia 38 over Mad Creek | 1972 | 8,200 | Fair |
| Washngton St. over Mad Creek | 1986 | 7,906 | Fair |
| 5TH St over Mad Creek | 2006 | 7,900 | Fair |
| Ia 38 over Mosquito Creek | 1972 | 5,300 | Fair |
| US 6 & Ia 38 over Mud Creek | 1924 | 5,200 | Fair |
| US 6 & Ia 38 over Iais RR | 1930 | 5,200 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Iowa: Iowa bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.