S.H. 74 WB over I-35 under
FairMcClain County, Oklahoma · JCT I-35 & SH 74 · Structure no. 173380000000000
- Built
- 1968
- 57 years old, rebuilt 2017
- Condition
- Fair
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 229 ft
- 2 main spans
- Daily traffic
- 5,540
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
S.H. 74 WB over I-35 under is a steel continuous stringer/multi-beam or girder carrying S.H. 74 WB over I-35 under in McClain County, Oklahoma. It was built in 1968 and reconstructed in 2017, so it is 57 years old, older than the Oklahoma average of 47.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 5,540 vehicles a day, roughly 5% of them trucks, projected to reach 5,817 by 2042. The structure is 229 ft (69.8 m) long and 40 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S.H. 74 WB over I-35 under built?
It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2017.
What condition is S.H. 74 WB over I-35 under in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.
How much traffic does S.H. 74 WB over I-35 under carry?
About 5,540 vehicles per day (2022 count), of which roughly 5% are trucks.
How long is S.H. 74 WB over I-35 under?
The structure is 229 ft (69.8 m) long with a longest span of 73 ft (22.3 m) and a deck 40 ft wide.
Who owns S.H. 74 WB over I-35 under?
It is owned by the State Highway Agency.