Bridge conditions in Cimarron County, Oklahoma
90 inventoried bridges · 1 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
1 of the 90 bridges the federal inventory lists in Cimarron County are rated poor; the rest split 48 good and 41 fair.
- 1 of the 90 bridges in Cimarron County, Oklahoma, are rated in poor condition (1.1%) in the 2025 National Bridge Inventory, as of .
- 48 bridges (53.3%) are rated good and 41 (45.6%) fair.
- The median Cimarron County bridge was built in 1973.
- The busiest poor-rated bridge is 1334C over Currumpa Creek (built 1967), carrying about 100 vehicles a day.
Good 53.3% · Fair 45.6% · Poor 1.1% of 90 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 |
|---|---|---|---|
| 1334C over Currumpa Creek | 1967 | 100 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| U.S. 56 over Creek | 1936 | 5,900 | Good |
| U.S. 56 over BNSF R.R. Under | 1988 | 4,600 | Fair |
| U.S. 56 over Drainage Canal Boisecity | 1951 | 4,000 | Fair |
| U.S. 287 over Adobe Draw | 2010 | 3,257 | Good |
| U.S. 287 over Cimarron Valley RR Under | 2011 | 2,700 | Fair |
| U.S. 287 over Creek | 1935 | 2,300 | Good |
| U.S. 287 over Creek | 1935 | 2,200 | Fair |
| U.S. 287 over Creek | 1935 | 2,200 | Good |
| U.S. 287 over Creek | 1935 | 2,200 | Good |
| U.S. 287 over U.S. 56 Under | 2011 | 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.