I-35 N.B. over Cimarron River
FairLogan County, Oklahoma · Logan-Payne C/L · Structure no. 145170000000000
- Built
- 1959
- 66 years old, rebuilt 1980
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 803 ft
- 8 main spans
- Daily traffic
- 9,850
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
I-35 N.B. over Cimarron River is a steel continuous stringer/multi-beam or girder carrying I-35 N.B. over Cimarron River in Logan County, Oklahoma. It was built in 1959 and reconstructed in 1980, so it is 66 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 5 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 9,850 vehicles a day, roughly 36% of them trucks, projected to reach 15,760 by 2042. The structure is 803 ft (244.8 m) long and 42 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-35 N.B. over Cimarron River built?
It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1980.
What condition is I-35 N.B. over Cimarron River 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 July 2024.
How much traffic does I-35 N.B. over Cimarron River carry?
About 9,850 vehicles per day (2022 count), of which roughly 36% are trucks.
How long is I-35 N.B. over Cimarron River?
The structure is 803 ft (244.8 m) long with a longest span of 100 ft (30.5 m) and a deck 42 ft wide.
Who owns I-35 N.B. over Cimarron River?
It is owned by the State Highway Agency.