Interstate 780 WB over Park Road
FairSolano County, California · 04-SOL-780-0.49R-BEN · Structure no. 23 0226R
- Built
- 2004
- 21 years old
- Condition
- Fair
- inspected December 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 144 ft
- 1 main span
- Daily traffic
- 23,500
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 780 WB over Park Road is a prestressed concrete box beam or girders - multiple carrying Interstate 780 WB over Park Road in Solano County, California. It was built in 2004, so it is 21 years old, younger 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 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 23,500 vehicles a day, roughly 5% of them trucks, projected to reach 40,202 by 2040. The structure is 144 ft (44 m) long and 63 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| 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 Interstate 780 WB over Park Road built?
It was built in 2004, making it 21 years old in 2025.
What condition is Interstate 780 WB over Park 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 December 2023.
How much traffic does Interstate 780 WB over Park Road carry?
About 23,500 vehicles per day (2009 count), of which roughly 5% are trucks.
How long is Interstate 780 WB over Park Road?
The structure is 144 ft (44 m) long with a longest span of 144 ft (44 m) and a deck 63 ft wide.
Who owns Interstate 780 WB over Park Road?
It is owned by the State Highway Agency.