Interstate 80 over Interstate 780
GoodSolano County, California · 04-SOL-080-2.22 · Structure no. 23 0117
- Built
- 1958
- 67 years old, rebuilt 1971
- Condition
- Good
- inspected January 2025
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 157 ft
- 2 main spans
- Daily traffic
- 145,000
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 80 over Interstate 780 is a prestressed concrete tee beam carrying Interstate 80 over Interstate 780 in Solano County, California. It was built in 1958 and reconstructed in 1971, so it is 67 years old, older than the California average of 54.8 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 145,000 vehicles a day, roughly 5% of them trucks, projected to reach 192,809 by 2045. The structure is 157 ft (47.9 m) long and 204 ft wide. If it were closed, the detour would be 14.9 mi (24 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 80 over Interstate 780 built?
It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1971.
What condition is Interstate 80 over Interstate 780 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 January 2025.
How much traffic does Interstate 80 over Interstate 780 carry?
About 145,000 vehicles per day (2009 count), of which roughly 5% are trucks.
How long is Interstate 80 over Interstate 780?
The structure is 157 ft (47.9 m) long with a longest span of 76 ft (23.2 m) and a deck 204 ft wide.
Who owns Interstate 80 over Interstate 780?
It is owned by the State Highway Agency.