N2430 over Brush Creek
Tillman County, Oklahoma · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- N2430 over Brush Creek in Tillman 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 2017, making it 8 years old at the 2025 inventory.
- It carries about 30 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 195 of the 285 inventoried bridges in Tillman County rated good (68.4%); 6 (2.1%) 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 August 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 → (34.30135, -98.64434)
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 | Steel stringer or multi-beam girder |
| Length | about 60 ft |
| Location | 4.7N 2.3E of Grandfield |
| NBI structure number | 320200000000000 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 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 Tillman County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| U.S. 62 over Creek | 1929 | 4,500 | Good |
| U.S. 62 over Creek | 1968 | 4,500 | Good |
| U.S. 62 over Creek | 1929 | 4,100 | Good |
| U.S. 62 over Creek | 1968 | 4,100 | Good |
| U.S. 183 over Creek | 1932 | 2,600 | Good |
| U.S. 62 over BNSF R.R. & Co. Rd. Und | 1968 | 2,250 | Good |
All bridges nearby: Tillman County, OK bridge conditions · every bridge in Tillman County · Oklahoma bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.