LA Cnty RD 143-2 over Antelope Draw
GoodLaramie County, Wyoming · T16N R063W S31 · Structure no. DOX
- Built
- 1960
- 65 years old, rebuilt 1998
- Condition
- Good
- inspected December 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 21 ft
- 2 main spans
- Daily traffic
- 282
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
LA Cnty RD 143-2 over Antelope Draw is a concrete continuous culvert carrying LA Cnty RD 143-2 over Antelope Draw in Laramie County, Wyoming. It was built in 1960 and reconstructed in 1998, so it is 65 years old, older than the Wyoming average of 48.4 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 282 vehicles a day, roughly 22% of them trucks, projected to reach 395 by 2043. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was LA Cnty RD 143-2 over Antelope Draw built?
It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1998.
What condition is LA Cnty RD 143-2 over Antelope Draw in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.
How much traffic does LA Cnty RD 143-2 over Antelope Draw carry?
About 282 vehicles per day (2024 count), of which roughly 22% are trucks.
How long is LA Cnty RD 143-2 over Antelope Draw?
The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).
Who owns LA Cnty RD 143-2 over Antelope Draw?
It is owned by the County Highway Agency.