U.S. 271 over Black Sulphur Canyon
Pushmataha County, Oklahoma · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- U.S. 271 over Black Sulphur Canyon in Pushmataha County, Oklahoma, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2022, making it 3 years old at the 2025 inventory.
- It carries about 530 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 156 of the 246 inventoried bridges in Pushmataha County rated good (63.4%); 10 (4.1%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (34.44988, -95.34686)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 8 | Very good condition |
| Superstructure | 8 | Very good condition |
| Substructure | 8 | Very good condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 299 ft |
| Location | 23.6NE Jct US271/SH3 |
| NBI structure number | 323440000000000 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Oklahoma department of transportation.
Busiest bridges in Pushmataha County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ind. Nation Tp over Creek | 1965 | 3,900 | Good |
| Ind. Nation Tp over Creek | 1965 | 3,900 | Good |
| Ind. Nation Tp over Ten Mile Creek No. 3 | 1968 | 3,900 | Good |
| Ind. Nation Tp over Ten Mile Creek No. 2 | 1968 | 3,900 | Fair |
| Ind. Nation Tp over Ten Mile Creek No. 1 | 1968 | 3,900 | Good |
| Ind. Nation Tp over Creek | 1970 | 3,900 | Good |
All bridges nearby: Pushmataha County, OK bridge conditions · every bridge in Pushmataha County · Oklahoma bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.