Bridge conditions in Oregon County, Missouri
84 inventoried bridges · 7 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 84 bridges in Oregon County: 19 rated good, 58 fair, and 7 poor.
- 7 of the 84 bridges in Oregon County, Missouri, are rated in poor condition (8.3%) in the 2025 National Bridge Inventory, as of .
- 19 bridges (22.6%) are rated good and 58 (69.0%) fair.
- The median Oregon County bridge was built in 1955.
- The busiest poor-rated bridge is US 160 E over Cox CR (built 1925), carrying about 1,346 vehicles a day.
Good 22.6% · Fair 69.0% · Poor 8.3% of 84 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 |
|---|---|---|---|
| US 160 E over Cox CR | 1925 | 1,346 | Poor |
| US 160 E over Dry CR | 1925 | 1,114 | Poor |
| Walnut St E over Spring Rvr BNSF RR | 1966 | 721 | Poor |
| Mo 19 S over Eleven Point Rvr | 1934 | 687 | Poor |
| Mo 142 E over Eleven Point Rvr | 1957 | 441 | Poor |
| US 160 E over Eleven Point Rvr | 1933 | 154 | Poor |
| County Rd 286 over Colvin CR | 1983 | 40 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 63 S over Warm Fork BNSF RR | 1966 | 11,830 | Fair |
| US 63 S over Warm Fork | 1966 | 8,005 | Fair |
| Mo 19 S over Tucker CR | 1972 | 3,337 | Fair |
| Mo 19 S over Piney CR | 1972 | 2,490 | Fair |
| Bu 63 S over Two Mile CR BNSF RR | 2020 | 2,490 | Good |
| Mo 142 E over Cox CR | 1968 | 2,410 | Fair |
| Mo 142 E over Tracey CR | 1950 | 2,410 | Fair |
| Mo 19 S over Spring Rvr | 1928 | 2,216 | Fair |
| Mo 19 S over Frederick CR | 1926 | 2,123 | Fair |
| US 160 E over Barren Fork CR | 1926 | 1,711 | 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.