U.S. 183 over Beaver River
Woodward County, Oklahoma · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- U.S. 183 over Beaver River in Woodward County, Oklahoma, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1995, making it 30 years old at the 2025 inventory.
- It carries about 1,400 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 105 of the 167 inventoried bridges in Woodward County rated fair (62.9%); 6 (3.6%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- It was rated good in the 2024 inventory and is now fair (substructure 7 to 6).
- Its most recent inspection on record is dated April 2024, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (36.58793, -99.59042)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 6 | Satisfactory condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 1,243 ft |
| Location | 0.1 Mi S Harper Co |
| NBI structure number | 242130000000000 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | April 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 Woodward County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| U.S. 183 over Creek | 1950 | 18,700 | Fair |
| U.S. 183 over Creek | 1950 | 17,200 | Fair |
| U.S. 183 over Creek | 1974 | 15,900 | Good |
| U.S. 183 over Creek | 1932 | 9,400 | Good |
| U.S. 183 over Creek | 1932 | 8,400 | Good |
| U.S. 183 SB over Deep Creek | 2021 | 8,160 | Good |
All bridges nearby: Woodward County, OK bridge conditions · every bridge in Woodward County · Oklahoma bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.