Interstate 80 over Alta Road
FairPlacer County, California · 03-PLA-080-44.75 · Structure no. 19 0111
- Built
- 1961
- 64 years old, rebuilt 1985
- Condition
- Fair
- inspected June 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 112 ft
- 3 main spans
- Daily traffic
- 23,500
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 80 over Alta Road is a concrete continuous tee beam carrying Interstate 80 over Alta Road in Placer County, California. It was built in 1961 and reconstructed in 1985, so it is 64 years old, older than the California average of 54.8 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 23,500 vehicles a day, projected to reach 44,544 by 2041. The structure is 112 ft (34.1 m) long and 93 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 80 over Alta Road built?
It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1985.
What condition is Interstate 80 over Alta Road 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 June 2023.
How much traffic does Interstate 80 over Alta Road carry?
About 23,500 vehicles per day (2009 count).
How long is Interstate 80 over Alta Road?
The structure is 112 ft (34.1 m) long with a longest span of 44 ft (13.4 m) and a deck 93 ft wide.
Who owns Interstate 80 over Alta Road?
It is owned by the State Highway Agency.