S.H. 18 over Coal Creek
Pawnee County, Oklahoma · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- S.H. 18 over Coal Creek in Pawnee 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 2023, making it 2 years old at the 2025 inventory.
- It carries about 1,200 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 82 of the 174 inventoried bridges in Pawnee County rated good (47.1%); 32 (18.4%) 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 May 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 → (36.44353, -96.80013)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 8 | 8 | Very good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 28 ft |
| Location | 7.5N of JCT US 64 |
| NBI structure number | 324240000000000 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 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 Pawnee County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| U.S. 64 over Arkansas River | 1963 | 16,000 | Fair |
| U.S. 64 over Cedar Creek | 2021 | 8,734 | Good |
| Cimarron Tp over Creek | 1973 | 8,600 | Good |
| Cimarron Tp over No Name Creek | 1973 | 8,600 | Fair |
| Cimarron Tp over BNSF R.R. | 1973 | 8,600 | Fair |
| Cimarron Tp over Cowskin Creek | 1973 | 8,600 | Good |
All bridges nearby: Pawnee County, OK bridge conditions · every bridge in Pawnee County · Oklahoma bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.