US 30 over I-80
FairLaramie County, Wyoming · Cheyenne - Nebraska Line · Structure no. CGC
- Built
- 1976
- 49 years old
- Condition
- Fair
- inspected February 2025
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 325 ft
- 2 main spans
- Daily traffic
- 3,666
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
US 30 over I-80 is a prestressed concrete continuous box beam or girders - multiple carrying US 30 over I-80 in Laramie 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 5 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 3,666 vehicles a day, roughly 3% of them trucks, projected to reach 5,132 by 2043. The structure is 325 ft (99.1 m) long and 35 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 US 30 over I-80 built?
It was built in 1976, making it 49 years old in 2025.
What condition is US 30 over I-80 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 February 2025.
How much traffic does US 30 over I-80 carry?
About 3,666 vehicles per day (2024 count), of which roughly 3% are trucks.
How long is US 30 over I-80?
The structure is 325 ft (99.1 m) long with a longest span of 160 ft (48.8 m) and a deck 35 ft wide.
Who owns US 30 over I-80?
It is owned by the State Highway Agency.