Allison Drive over Interstate 80 & Ramps
GoodSolano County, California · 04-SOL-080-R27.20-VAC · Structure no. 23 0213
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected November 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 292 ft
- 2 main spans
- Daily traffic
- 17,400
- 1998 count
- Owner
- State
- State Highway Agency
About this bridge
Allison Drive over Interstate 80 & Ramps is a prestressed concrete continuous box beam or girders - multiple carrying Allison Drive over Interstate 80 & Ramps in Solano County, California. It was built in 1997, so it is 28 years old, younger 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 17,400 vehicles a day, roughly 3% of them trucks, projected to reach 21,772 by 2046. The structure is 292 ft (89 m) long and 112 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Allison Drive over Interstate 80 & Ramps built?
It was built in 1997, making it 28 years old in 2025.
What condition is Allison Drive over Interstate 80 & Ramps 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 November 2024.
How much traffic does Allison Drive over Interstate 80 & Ramps carry?
About 17,400 vehicles per day (1998 count), of which roughly 3% are trucks.
How long is Allison Drive over Interstate 80 & Ramps?
The structure is 292 ft (89 m) long with a longest span of 162 ft (49.4 m) and a deck 112 ft wide.
Who owns Allison Drive over Interstate 80 & Ramps?
It is owned by the State Highway Agency.