State Route 4 WB over Alhambra Way
FairContra Costa County, California · 04-CC-004-R8.75-MTZ · Structure no. 28 0216L
- Built
- 1967
- 58 years old, rebuilt 1975
- Condition
- Fair
- inspected May 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 191 ft
- 3 main spans
- Daily traffic
- 31,000
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 4 WB over Alhambra Way is a concrete continuous tee beam carrying State Route 4 WB over Alhambra Way in Contra Costa County, California. It was built in 1967 and reconstructed in 1975, so it is 58 years old, older 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 31,000 vehicles a day, roughly 7% of them trucks, projected to reach 63,819 by 2042. The structure is 191 ft (58.2 m) long and 60 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 4 WB over Alhambra Way built?
It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1975.
What condition is State Route 4 WB over Alhambra Way 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 May 2024.
How much traffic does State Route 4 WB over Alhambra Way carry?
About 31,000 vehicles per day (2018 count), of which roughly 7% are trucks.
How long is State Route 4 WB over Alhambra Way?
The structure is 191 ft (58.2 m) long with a longest span of 67 ft (20.4 m) and a deck 60 ft wide.
Who owns State Route 4 WB over Alhambra Way?
It is owned by the State Highway Agency.