S.H. 66 WB over S.H. 74 under
GoodOklahoma County, Oklahoma · 5.4 MI E Canadian C/L · Structure no. 185770000000000
- Built
- 1973
- 52 years old, rebuilt 2020
- Condition
- Good
- inspected February 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 230 ft
- 2 main spans
- Daily traffic
- 30,300
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
S.H. 66 WB over S.H. 74 under is a steel continuous stringer/multi-beam or girder carrying S.H. 66 WB over S.H. 74 under in Oklahoma County, Oklahoma. It was built in 1973 and reconstructed in 2020, so it is 52 years old, older than the Oklahoma average of 47.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 30,300 vehicles a day, roughly 7% of them trucks, projected to reach 48,480 by 2042. The structure is 230 ft (70.1 m) long and 52 ft wide.
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S.H. 66 WB over S.H. 74 under built?
It was built in 1973, making it 52 years old in 2025. It was reconstructed in 2020.
What condition is S.H. 66 WB over S.H. 74 under in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.
How much traffic does S.H. 66 WB over S.H. 74 under carry?
About 30,300 vehicles per day (2022 count), of which roughly 7% are trucks.
How long is S.H. 66 WB over S.H. 74 under?
The structure is 230 ft (70.1 m) long with a longest span of 119 ft (36.3 m) and a deck 52 ft wide.
Who owns S.H. 66 WB over S.H. 74 under?
It is owned by the State Highway Agency.