Old S.H. 6 over North Fork of Red River
Greer County, Oklahoma · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Old S.H. 6 over North Fork of Red River in Greer County, Oklahoma, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1957, making it 68 years old at the 2025 inventory.
- It carries about 100 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 4 of the 230 inventoried bridges in Greer County rated poor (1.7%); 4 (1.7%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated January 2024, on a 24-month routine inspection cycle.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (35.07325, -99.37018)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 4 | 4 | Poor condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 883 ft |
| Location | Greer & Kiowa C/l |
| NBI structure number | 139340000000000 |
| Condition class | Poor |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | January 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Oklahoma department of transportation.
Busiest bridges in Greer County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| U.S. 283 over Elm Fork Red River Ofl | 2021 | 1,960 | Good |
| U.S. 283 over Elm Fork Red River | 2021 | 1,960 | Good |
| U.S. 283 over Creek | 1940 | 1,600 | Good |
| S.H. 44 over Creek | 1933 | 1,500 | Good |
| U.S. 283 over Creek | 1940 | 1,400 | Good |
| U.S. 283 over Creek | 1940 | 1,400 | Good |
All bridges nearby: Greer County, OK bridge conditions · every bridge in Greer County · Oklahoma bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.