N1420 over Duck Pond Creek
Beaver County, Oklahoma · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- N1420 over Duck Pond Creek in Beaver County, Oklahoma, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2011, making it 14 years old at the 2025 inventory.
- It carries about 50 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 61 of the 189 inventoried bridges in Beaver County rated good (32.3%); 3 (1.6%) are rated poor.
- 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 → (36.59167, -100.46917)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 9 | Excellent condition |
| Superstructure | 9 | Excellent condition |
| Substructure | 8 | Very good condition |
Bridge details
| Structure | Prestressed concrete tee beam |
| Length | about 49 ft |
| Location | 3E 1.6S of S.H. 23 |
| NBI structure number | 289010000000000 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Oklahoma department of transportation.
Busiest bridges in Beaver County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| U.S. 64 over Short Creek | 2003 | 3,600 | Good |
| U.S. 83 over Sharp Creek | 1997 | 3,500 | Good |
| U.S. 83 over Beaver River | 1988 | 3,200 | Fair |
| U.S. 83 over Creek | 1999 | 2,800 | Good |
| U.S. 83 over Creek | 1999 | 2,700 | Good |
| S.H. 3 over Creek | 1936 | 2,500 | Fair |
All bridges nearby: Beaver County, OK bridge conditions · every bridge in Beaver County · Oklahoma bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.