I-25 Sbl over Boxelder Creek
FairConverse County, Wyoming · Douglas - Casper · Structure no. AGU
- Built
- 1958
- 67 years old, rebuilt 2006
- Condition
- Fair
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 155 ft
- 4 main spans
- Daily traffic
- 4,762
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I-25 Sbl over Boxelder Creek is a steel continuous stringer/multi-beam or girder carrying I-25 Sbl over Boxelder Creek in Converse County, Wyoming. It was built in 1958 and reconstructed in 2006, so it is 67 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 4,762 vehicles a day, roughly 19% of them trucks, projected to reach 6,667 by 2043. The structure is 155 ft (47.2 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
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. |
| 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-25 Sbl over Boxelder Creek built?
It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2006.
What condition is I-25 Sbl over Boxelder Creek 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 Boxelder Creek carry?
About 4,762 vehicles per day (2024 count), of which roughly 19% are trucks.
How long is I-25 Sbl over Boxelder Creek?
The structure is 155 ft (47.2 m) long with a longest span of 42 ft (12.8 m) and a deck 49 ft wide.
Who owns I-25 Sbl over Boxelder Creek?
It is owned by the State Highway Agency.