Bridge conditions in Cooper County, Missouri
193 inventoried bridges · 6 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
6 of the 193 bridges the federal inventory lists in Cooper County are rated poor; the rest split 97 good and 90 fair.
- 6 of the 193 bridges in Cooper County, Missouri, are rated in poor condition (3.1%) in the 2025 National Bridge Inventory, as of .
- 97 bridges (50.3%) are rated good and 90 (46.6%) fair.
- The median Cooper County bridge was built in 1994.
- The busiest poor-rated bridge is Billingsville Rd over Br of Petite Salin (built 1965), carrying about 750 vehicles a day.
Good 50.3% · Fair 46.6% · Poor 3.1% of 193 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 |
|---|---|---|---|
| Billingsville Rd over Br of Petite Salin | 1965 | 750 | Poor |
| Rt M S over Is 70 | 1961 | 313 | Poor |
| Dunkles Dr S over Is 70 | 1958 | 208 | Poor |
| Wildlife Rd over Lamine Rvr | 1900 | 50 | Poor |
| Imhoff Rd over Lamine Rvr | 1907 | 25 | Poor |
| Shackelford Bridge over Lamine Rvr | 1913 | 20 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Is 70 E over Martins Br | 1992 | 32,786 | Fair |
| Is 70 E over UP RR | 1958 | 18,223 | Good |
| Is 70 E over Missouri Rvr Katy Trail | 2024 | 18,223 | Good |
| Is 70 W over UP RR | 1958 | 18,016 | Fair |
| Is 70 E over Lamine Rvr | 1962 | 16,583 | Fair |
| Is 70 E over Chouteau CR | 1992 | 16,583 | Fair |
| Is 70 W over Lamine Rvr | 1962 | 16,203 | Fair |
| Is 70 W over Chouteau CR | 1992 | 16,203 | Fair |
| Rt B S over Is 70 | 2010 | 6,800 | Good |
| Mo 5 S over Is 70 | 1958 | 6,169 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Missouri: Missouri 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.