State Route 4 over San Jose Avenue
GoodContra Costa County, California · 04-CC-004-M34.90 · Structure no. 28 0371L
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected June 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 115 ft
- 1 main span
- Daily traffic
- 8,000
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 4 over San Jose Avenue is a prestressed concrete box beam or girders - multiple carrying State Route 4 over San Jose Avenue in Contra Costa County, California. It was built in 2003, so it is 22 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 8,000 vehicles a day, projected to reach 15,047 by 2045. The structure is 115 ft (35 m) long and 52 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 4 over San Jose Avenue built?
It was built in 2003, making it 22 years old in 2025.
What condition is State Route 4 over San Jose Avenue 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 June 2023.
How much traffic does State Route 4 over San Jose Avenue carry?
About 8,000 vehicles per day (2017 count).
How long is State Route 4 over San Jose Avenue?
The structure is 115 ft (35 m) long with a longest span of 115 ft (35 m) and a deck 52 ft wide.
Who owns State Route 4 over San Jose Avenue?
It is owned by the State Highway Agency.