U.S. 270 over I-40 Under
Canadian County, Oklahoma · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- U.S. 270 over I-40 Under in Canadian County, Oklahoma, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1961, making it 64 years old at the 2025 inventory.
- It carries about 2,800 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 233 of the 495 inventoried bridges in Canadian County rated fair (47.1%); 18 (3.6%) are rated poor.
- 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 → (35.52915, -98.11421)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 176 ft |
| Location | Jct. US270 & I40 |
| NBI structure number | 153600000000000 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Oklahoma department of transportation.
Busiest bridges in Canadian County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-40 over Creek | 1965 | 63,000 | Good |
| I-40 over Creek | 1966 | 40,700 | Good |
| I-40 over Creek | 1966 | 40,700 | Good |
| I-40 WB over Reno Ave. Under | 1966 | 31,500 | Good |
| Kilpatrick Tp WB over County Line Rd Under | 2019 | 30,400 | Good |
| Kilpatrick Tp EB over County Line Rd Under | 2019 | 30,400 | Good |
All bridges nearby: Canadian County, OK bridge conditions · every bridge in Canadian County · Oklahoma bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.