6186C over Chambers Creek
Pittsburg County, Oklahoma · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 6186C over Chambers Creek in Pittsburg County, Oklahoma, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 8 (very good condition) on the 0-9 scale.
- It was built in 1982, making it 43 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 194 of the 411 inventoried bridges in Pittsburg County rated good (47.2%); 32 (7.8%) 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 August 2023, on a 24-month routine inspection cycle.
- 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 → (34.86949, -95.83213)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 8 | 8 | Very good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 45 ft |
| Location | 3.0 Mi N of Savanna |
| NBI structure number | 201460000000000 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 2023 |
| 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 Pittsburg County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| U.S. 69 over Wade Watts Ave Under | 1988 | 26,400 | Good |
| U.S. 69 over Creek | 1946 | 21,500 | Good |
| U.S. 69 over Creek | 1964 | 20,500 | Good |
| U.S. 69 over Peaceable Creek | 1946 | 17,900 | Fair |
| U.S. 69 over Mud Creek | 1955 | 17,800 | Fair |
| U.S. 69 over Creek | 1956 | 16,900 | Good |
All bridges nearby: Pittsburg County, OK bridge conditions · every bridge in Pittsburg County · Oklahoma bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.