N4060 (5664C) over Ash Creek
Okmulgee County, Oklahoma · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- N4060 (5664C) over Ash Creek in Okmulgee County, Oklahoma, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 2016, making it 9 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 104 of the 311 inventoried bridges in Okmulgee County rated good (33.4%); 54 (17.4%) 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 September 2024, 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 → (35.79611, -95.78389)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 7 | 7 | Good condition |
Bridge details
| Structure | Steel culvert |
| Length | about 20 ft |
| Location | 3.9N of SH 16 |
| NBI structure number | 317080000000000 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 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 Okmulgee County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| U.S. 75 over Negro Creek | 1957 | 18,900 | Fair |
| U.S. 75 over Eagle Creek | 1957 | 18,500 | Fair |
| U.S. 75 over Adams Creek | 1957 | 18,000 | Fair |
| U.S. 75 over Flat Rock Creek | 1957 | 17,500 | Fair |
| I-40 over Coal Creek | 1963 | 16,000 | Fair |
| U.S. 62/US 75 SB over Burgess Creek | 2017 | 16,000 | Good |
All bridges nearby: Okmulgee County, OK bridge conditions · every bridge in Okmulgee County · Oklahoma bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.