State Route 4 EB over BART Tracks
GoodContra Costa County, California · 04-CC-004-R15.64 · Structure no. 28 0424R
- Built
- 1995
- 30 years old
- Condition
- Good
- inspected June 2024
- Type
- Frame
- Concrete Continuous
- Length
- 750 ft
- 2 main spans
- Daily traffic
- 61,200
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 4 EB over BART Tracks is a concrete continuous frame carrying State Route 4 EB over BART Tracks in Contra Costa County, California. It was built in 1995, so it is 30 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 61,200 vehicles a day, roughly 7% of them trucks, projected to reach 80,000 by 2044. The structure is 750 ft (228.6 m) long and 120 ft wide.
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 EB over BART Tracks built?
It was built in 1995, making it 30 years old in 2025.
What condition is State Route 4 EB over BART Tracks 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 2024.
How much traffic does State Route 4 EB over BART Tracks carry?
About 61,200 vehicles per day (2019 count), of which roughly 7% are trucks.
How long is State Route 4 EB over BART Tracks?
The structure is 750 ft (228.6 m) long with a longest span of 131 ft (40 m) and a deck 120 ft wide.
Who owns State Route 4 EB over BART Tracks?
It is owned by the State Highway Agency.