Bridge conditions in Jefferson County, Oklahoma
150 inventoried bridges · 8 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 150 bridges in Jefferson County: 75 rated good, 67 fair, and 8 poor.
- 8 of the 150 bridges in Jefferson County, Oklahoma, are rated in poor condition (5.3%) in the 2025 National Bridge Inventory, as of .
- 75 bridges (50.0%) are rated good and 67 (44.7%) fair.
- The median Jefferson County bridge was built in 1989.
- The busiest poor-rated bridge is 3446C Major over Cow Creek (built 1993), carrying about 100 vehicles a day.
Good 50.0% · Fair 44.7% · Poor 5.3% of 150 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 |
|---|---|---|---|
| 3446C Major over Cow Creek | 1993 | 100 | Poor |
| E2020 over N. Mud Creek | 1939 | 90 | Poor |
| E1950 over Creek | 1939 | 75 | Poor |
| E2050 over Creek | 1940 | 50 | Poor |
| E1930 over Beaver Creek | 1939 | 50 | Poor |
| E2170 over Creek | 1993 | 50 | Poor |
| N2760 over Creek | 1940 | 25 | Poor |
| 3432C over Creek | 1960 | 24 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| U.S. 70 over Creek | 1932 | 3,000 | Good |
| U.S. 81 over Creek | 1929 | 2,900 | Good |
| U.S. 81 over Creek | 1929 | 2,900 | Good |
| U.S. 81 over Creek | 1959 | 2,900 | Good |
| U.S. 81 over Creek | 1959 | 2,900 | Good |
| U.S. 70 over Long Branch Creek | 2001 | 2,900 | Good |
| U.S. 81 over Creek | 1959 | 2,800 | Good |
| U.S. 81 over UP R.R. & Cow Creek | 1990 | 2,800 | Good |
| U.S. 70 over Creek | 1932 | 2,400 | Good |
| U.S. 70 over Beaver Creek | 1995 | 2,200 | Good |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Oklahoma: Oklahoma 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.