Bridge conditions in Lucas County, Iowa
198 inventoried bridges · 65 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
About one in 3 bridges in Lucas County is rated in poor condition: 65 of 198 on the federal inventory, one of the higher shares in Iowa.
- 65 of the 198 bridges in Lucas County, Iowa, are rated in poor condition (32.8%) in the 2025 National Bridge Inventory, as of .
- 65 bridges (32.8%) are rated good and 68 (34.3%) fair.
- The median Lucas County bridge was built in 1975.
- The busiest poor-rated bridge is S23 200TH Ave over BNSF RR (built 1937), carrying about 1,090 vehicles a day.
Good 32.8% · Fair 34.3% · Poor 32.8% of 198 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.
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 34 & 65 over over BNSF RR | 1974 | 3,560 | Fair |
| US 34 over Stream | 2023 | 3,500 | Good |
| US 34 over Abandon RR Bike Path | 1960 | 3,400 | Fair |
| US 34 over Stream | 1960 | 3,400 | Fair |
| US 34 over White Breast Creek | 2017 | 3,330 | Good |
| US 34 over Russell Blvd BNSF UP RR | 1960 | 3,160 | Fair |
| US 34 over City Reservoir Inlet | 1958 | 3,080 | Good |
| US 34 over Little White Breast Ck | 1958 | 3,080 | Fair |
| Ia 14 over White Breast Creek | 1979 | 2,920 | Fair |
| US 34 over Stream | 1964 | 2,520 | Good |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
Every bridge in Lucas County → - all 198, busiest first, each with its own condition record.
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.