N3070 over Creek
Grant County, Oklahoma · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- N3070 over Creek in Grant County, Oklahoma, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, 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 100 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 138 of the 477 inventoried bridges in Grant County rated good (28.9%); 31 (6.5%) 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 July 2023, 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 → (36.62886, -97.53455)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Concrete slab |
| Length | about 40 ft |
| Location | .3N 3.1E .6S of Salt Fork |
| NBI structure number | 327170000000000 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | July 2023 |
| 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 Grant County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| U.S. 60/U.S. 64&81 over Creek | 1967 | 3,200 | Fair |
| U.S. 60/U.S. 64&81 over Nine Mile Creek | 1967 | 3,200 | Fair |
| U.S. 60/U.S. 64&81 over Wild Horse Creek | 1967 | 3,200 | Fair |
| U.S. 60/U.S. 64&81 over Creek | 1969 | 3,200 | Good |
| U.S. 60 / U.S. 81 over Killpecker Creek | 2003 | 2,300 | Good |
| U.S. 81 over Killpecker Creek | 2014 | 2,000 | Good |
All bridges nearby: Grant County, OK bridge conditions · every bridge in Grant County · Oklahoma bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.