I-25 Sbl over Wyo 259
FairNatrona County, Wyoming · Casper - Kaycee · Structure no. DOJ
- Built
- 1976
- 49 years old
- Condition
- Fair
- inspected April 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 138 ft
- 3 main spans
- Daily traffic
- 1,520
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I-25 Sbl over Wyo 259 is a concrete continuous tee beam carrying I-25 Sbl over Wyo 259 in Natrona County, Wyoming. It was built in 1976, so it is 49 years old, older than the Wyoming average of 48.4 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 1,520 vehicles a day, roughly 28% of them trucks, projected to reach 2,128 by 2043. The structure is 138 ft (42.1 m) long and 45 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-25 Sbl over Wyo 259 built?
It was built in 1976, making it 49 years old in 2025.
What condition is I-25 Sbl over Wyo 259 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 April 2023.
How much traffic does I-25 Sbl over Wyo 259 carry?
About 1,520 vehicles per day (2024 count), of which roughly 28% are trucks.
How long is I-25 Sbl over Wyo 259?
The structure is 138 ft (42.1 m) long with a longest span of 56 ft (17.1 m) and a deck 45 ft wide.
Who owns I-25 Sbl over Wyo 259?
It is owned by the State Highway Agency.