Bridge conditions in Harmon County, Oklahoma
106 inventoried bridges · 1 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Harmon County tracks close to typical: 1 of its 106 inventoried bridges (0.9%) are rated poor, against a national rate of about 7%.
- 1 of the 106 bridges in Harmon County, Oklahoma, are rated in poor condition (0.9%) in the 2025 National Bridge Inventory, as of .
- 80 bridges (75.5%) are rated good and 25 (23.6%) fair.
- The median Harmon County bridge was built in 1974.
- The busiest poor-rated bridge is 2932C over West Fork Sandy Creek (built 1982), carrying about 60 vehicles a day.
Good 75.5% · Fair 23.6% · Poor 0.9% of 106 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 |
|---|---|---|---|
| 2932C over West Fork Sandy Creek | 1982 | 60 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| U.S. 62 over Creek | 1927 | 2,300 | Good |
| U.S. 62 over East Fork Sandy Creek | 1931 | 1,800 | Fair |
| U.S. 62 over Creek | 1931 | 1,700 | Good |
| U.S. 62 over Creek | 1931 | 1,700 | Good |
| U.S. 62 over Creek | 1931 | 1,700 | Good |
| U.S. 62 over Creek | 1932 | 1,600 | Good |
| U.S. 62 over Creek | 1932 | 1,600 | Good |
| S.H. 30 over Creek | 1975 | 1,200 | Good |
| S.H. 30 over Creek | 1975 | 1,200 | Good |
| U.S. 62 over Creek | 1931 | 900 | 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.