N4310 over Spaniard Creek
Muskogee County, Oklahoma · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- N4310 over Spaniard Creek in Muskogee County, Oklahoma, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1997, making it 28 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 155 of the 400 inventoried bridges in Muskogee County rated good (38.8%); 43 (10.8%) 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 March 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 → (35.60318, -95.34029)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 81 ft |
| Location | 1.1 N .3 E of Keefton |
| NBI structure number | 244870000000000 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | March 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 Muskogee County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| U.S. 62 over Creek | 1955 | 25,000 | Fair |
| U.S. 62 over Creek | 1972 | 25,000 | Good |
| S.H. 165 over Web Creek | 1969 | 18,600 | Good |
| S.H. 165 over Treaty Creek | 1969 | 18,600 | Fair |
| Muskogee Tp over K.o. & G.r.r. Under | 1968 | 18,400 | Good |
| Muskogee Tp over Arkansas River | 1968 | 18,400 | Good |
All bridges nearby: Muskogee County, OK bridge conditions · every bridge in Muskogee County · Oklahoma bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.