Bridge conditions in Harper County, Oklahoma
128 inventoried bridges · 2 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 128 bridges in Harper County: 41 rated good, 85 fair, and 2 poor.
- 2 of the 128 bridges in Harper County, Oklahoma, are rated in poor condition (1.6%) in the 2025 National Bridge Inventory, as of .
- 41 bridges (32.0%) are rated good and 85 (66.4%) fair.
- The median Harper County bridge was built in 1985.
- The busiest poor-rated bridge is Fas 3012 over Creek (built 1987), carrying about 100 vehicles a day.
Good 32.0% · Fair 66.4% · Poor 1.6% of 128 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 |
|---|---|---|---|
| Fas 3012 over Creek | 1987 | 100 | Poor |
| E0080 over Creek | 1918 | 25 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| U.S. 183 over Creek | 2003 | 4,900 | Good |
| U.S. 270 over Creek | 1932 | 3,100 | Fair |
| U.S. 270 over Creek | 1932 | 3,100 | Good |
| U.S. 270 over Creek | 1932 | 3,100 | Fair |
| U.S. 270 over Sand Creek | 1987 | 3,100 | Fair |
| U.S. 270 over Creek | 1932 | 3,000 | Good |
| U.S. 270 over Creek | 1932 | 3,000 | Fair |
| U.S. 270 over Clear Creek | 1985 | 3,000 | Fair |
| U.S. 270 over Clear Creek Oflow | 1985 | 3,000 | Fair |
| U.S. 270 over Otter Creek | 1987 | 3,000 | Fair |
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.