Bridge conditions in Lee County, Iowa
214 inventoried bridges · 30 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
About one in 7 bridges in Lee County is rated in poor condition: 30 of 214 on the federal inventory, one of the higher shares in Iowa.
- 30 of the 214 bridges in Lee County, Iowa, are rated in poor condition (14.0%) in the 2025 National Bridge Inventory, as of .
- 95 bridges (44.4%) are rated good and 89 (41.6%) fair.
- The median Lee County bridge was built in 1985.
- The busiest poor-rated bridge is Ave L over Dry Creek (built 1915), carrying about 10,953 vehicles a day.
Good 44.4% · Fair 41.6% · Poor 14.0% of 214 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 |
|---|---|---|---|
| Ave L over Dry Creek | 1915 | 10,953 | Poor |
| Ia 2 over Big Sugar Creek | 1979 | 2,980 | Poor |
| Richards Dr over Dry Creek | 1951 | 2,012 | Poor |
| FM over Lost Creek | 1953 | 1,310 | Poor |
| 14TH St over French Creek | 1962 | 899 | Poor |
| X-28 & Middle R over Mississippi Slough | 1957 | 832 | Poor |
| Ave G over French Creek | 1962 | 800 | Poor |
| FM over Sugar Creek | 1976 | 650 | Poor |
| FM over Bonnell Creek | 1949 | 370 | Poor |
| FM over Sugar Creek | 1968 | 340 | Poor |
| 3RD St over Fork Creek | 1960 | 326 | Poor |
| FM over Devil Creek | 1948 | 250 | Poor |
| Local over Lamalees Creek | 1957 | 150 | Poor |
| FM over Pitman Creek | 1975 | 120 | Poor |
| FM over Monk Creek | 1934 | 90 | Poor |
| 265TH Ave over Creek | 1934 | 90 | Poor |
| Local over Sugar CR | 1963 | 80 | Poor |
| Local over Hell Hollow Creek | 1958 | 71 | Poor |
| FM over Creek | 1975 | 60 | Poor |
| FM over Sugar Creek | 1949 | 30 | Poor |
| Local over Picayune Creek | 1934 | 30 | Poor |
| Local over Sugar Creek | 1929 | 30 | Poor |
| Local Secondary over West Branch Sugar Creek | 1934 | 30 | Poor |
| Local Secondary over Little Sugar Creek | 1900 | 20 | Poor |
| Local over Branch of Sugar Creek | 1940 | 16 | Poor |
| Local Road over Creek | 1977 | 15 | Poor |
| Local Secondary over Sugar Creek | 1976 | 15 | Poor |
| Local over Sugar Creek | 1978 | 11 | Poor |
| Local Secondary over Sugar Creek | 1918 | 11 | Poor |
| Local over Stream | 1900 | 11 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ave L over Dry Creek | 1915 | 10,953 | Poor |
| US 136 over Mississippi River RR Rd | 1985 | 10,500 | Fair |
| Ave H over French Creek | 1983 | 10,382 | Fair |
| Ia 27 over Stream | 1947 | 7,200 | Fair |
| Ia 27 over Sugar Creek | 2001 | 7,200 | Fair |
| Ia 2 over US 61 | 2011 | 6,200 | Fair |
| US 61 & 136 over Des Moines Rvr RR & Rd | 1994 | 5,100 | Fair |
| US 218 SB over West Br Sugar Creek | 2003 | 4,650 | Good |
| US 218 SB over Sugar Creek | 2003 | 4,650 | Good |
| NB US 61 over Lost Creek | 1966 | 4,550 | 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.