I-40 EB over S.H. 54 Under
Custer County, Oklahoma · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I-40 EB over S.H. 54 Under in Custer 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 1959, making it 66 years old at the 2025 inventory.
- It carries about 11,500 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 288 of the 387 inventoried bridges in Custer County rated good (74.4%); 4 (1.0%) 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 September 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 → (35.52027, -98.72724)
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 | Continuous concrete slab |
| Length | about 123 ft |
| Location | Jct I-40 and S.H. 54 |
| NBI structure number | 143900000000000 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Oklahoma department of transportation.
Busiest bridges in Custer County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-40 over Little Deep Creek | 1959 | 23,800 | Good |
| I-40 over Creek | 1959 | 23,000 | Good |
| I-40 over Bear Creek | 1960 | 23,000 | Fair |
| I-40 over Creek | 1969 | 19,900 | Fair |
| I-40 over Creek | 1958 | 19,300 | Good |
| I-40 over Hackberry Creek | 1958 | 19,100 | Fair |
All bridges nearby: Custer County, OK bridge conditions · every bridge in Custer County · Oklahoma bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.