Structure 170970000000000 · Pittsburg County, OK
Carries Ind. Nation Tp over Co. Rd. 6138c Under, 57.7 Mi S Of I-40.
A culvert 23 ft across. Lengths are drawn to scale; at this length a semi-truck would be a speck. Each part is colored by its latest inspection rating. The inventory records lengths but not heights, so those are drawn as typical for a culvert.
| State | Oklahoma |
| County | Pittsburg |
| Location | 57.7 Mi S Of I-40 |
| Carries | Ind. Nation Tp |
| Crosses | Co. Rd. 6138c Under |
| Coordinates | 34.63672, -95.73285 |
| Material | Concrete |
| Design | Culvert |
| Total Length | 23.0 ft (7 m) |
| Max Span | 20.0 ft (6.1 m) |
| Deck Width | 104.0 ft (31.7 m) |
| Deck Area | 221.9 sq m |
| Main Spans | 1 |
| Year Built | 1968 |
| Avg Daily Traffic | 3,800 (2022) |
| Truck Traffic | 25% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 2 |
| Last Inspection | February 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Toll Authority |
| Historical Significance | Bridge is not eligible for the National Register |
| Scour Critical | Not applicable |
| Structure Number | 170970000000000 |
Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."
A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.