I-25 Sbl over North Laramie River
PoorPlatte County, Wyoming · Wheatland - Glendo · Structure no. AEB
- Built
- 1966
- 59 years old
- Condition
- Poor
- inspected January 2025
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 227 ft
- 3 main spans
- Daily traffic
- 3,568
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I-25 Sbl over North Laramie River is a steel continuous stringer/multi-beam or girder carrying I-25 Sbl over North Laramie River in Platte County, Wyoming. It was built in 1966, so it is 59 years old, older than the Wyoming average of 48.4 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 3,568 vehicles a day, roughly 26% of them trucks, projected to reach 4,995 by 2043. The structure is 227 ft (69.2 m) long and 33 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 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-25 Sbl over North Laramie River built?
It was built in 1966, making it 59 years old in 2025.
What condition is I-25 Sbl over North Laramie River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.
How much traffic does I-25 Sbl over North Laramie River carry?
About 3,568 vehicles per day (2024 count), of which roughly 26% are trucks.
How long is I-25 Sbl over North Laramie River?
The structure is 227 ft (69.2 m) long with a longest span of 87 ft (26.5 m) and a deck 33 ft wide.
Who owns I-25 Sbl over North Laramie River?
It is owned by the State Highway Agency.