I-25 Sbl over N Antelope Creek RD
PoorPlatte County, Wyoming · Chugwater - Wheatland · Structure no. ADL
- Built
- 1958
- 67 years old
- Condition
- Poor
- inspected April 2024
- Type
- Slab
- Concrete Continuous
- Length
- 80 ft
- 3 main spans
- Daily traffic
- 3,350
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I-25 Sbl over N Antelope Creek RD is a concrete continuous slab carrying I-25 Sbl over N Antelope Creek RD in Platte County, Wyoming. It was built in 1958, 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 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 3,350 vehicles a day, roughly 23% of them trucks, projected to reach 4,690 by 2043. The structure is 80 ft (24.4 m) long and 43 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-25 Sbl over N Antelope Creek RD built?
It was built in 1958, making it 67 years old in 2025.
What condition is I-25 Sbl over N Antelope Creek RD 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 April 2024.
How much traffic does I-25 Sbl over N Antelope Creek RD carry?
About 3,350 vehicles per day (2024 count), of which roughly 23% are trucks.
How long is I-25 Sbl over N Antelope Creek RD?
The structure is 80 ft (24.4 m) long with a longest span of 30 ft (9.1 m) and a deck 43 ft wide.
Who owns I-25 Sbl over N Antelope Creek RD?
It is owned by the State Highway Agency.