I-35 NB over Triplett Rd. under
FairLogan County, Oklahoma · 7.1 MI N Okla. C/L · Structure no. 249680000000000
- Built
- 1998
- 27 years old
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 256 ft
- 3 main spans
- Daily traffic
- 12,800
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
I-35 NB over Triplett Rd. under is a prestressed concrete stringer/multi-beam or girder carrying I-35 NB over Triplett Rd. under in Logan County, Oklahoma. It was built in 1998, so it is 27 years old, younger 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 12,800 vehicles a day, roughly 36% of them trucks, projected to reach 20,480 by 2042. The structure is 256 ft (78 m) long and 43 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 I-35 NB over Triplett Rd. under built?
It was built in 1998, making it 27 years old in 2025.
What condition is I-35 NB over Triplett Rd. 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 September 2024.
How much traffic does I-35 NB over Triplett Rd. under carry?
About 12,800 vehicles per day (2022 count), of which roughly 36% are trucks.
How long is I-35 NB over Triplett Rd. under?
The structure is 256 ft (78 m) long with a longest span of 105 ft (32 m) and a deck 43 ft wide.
Who owns I-35 NB over Triplett Rd. under?
It is owned by the State Highway Agency.