State Route 4 WB over Mcewen Road
FairContra Costa County, California · 04-CC-004-R5.17 · Structure no. 28 0215L
- Built
- 1967
- 58 years old
- Condition
- Fair
- inspected May 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 147 ft
- 3 main spans
- Daily traffic
- 23,000
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 4 WB over Mcewen Road is a concrete continuous tee beam carrying State Route 4 WB over Mcewen Road in Contra Costa County, California. It was built in 1967, 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 23,000 vehicles a day, roughly 12% of them trucks, projected to reach 48,517 by 2042. The structure is 147 ft (44.8 m) long and 40 ft wide. If it were closed, the detour would be 0.6 mi (1 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 4 WB over Mcewen Road built?
It was built in 1967, making it 58 years old in 2025.
What condition is State Route 4 WB over Mcewen 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 May 2024.
How much traffic does State Route 4 WB over Mcewen Road carry?
About 23,000 vehicles per day (2018 count), of which roughly 12% are trucks.
How long is State Route 4 WB over Mcewen Road?
The structure is 147 ft (44.8 m) long with a longest span of 65 ft (19.8 m) and a deck 40 ft wide.
Who owns State Route 4 WB over Mcewen Road?
It is owned by the State Highway Agency.