State Route 4 WB over Sand Creek Road
GoodContra Costa County, California · 04-CC-004-M34.50 · Structure no. 28 0381L
- Built
- 2014
- 11 years old
- Condition
- Good
- inspected June 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 203 ft
- 2 main spans
- Daily traffic
- 10,000
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 4 WB over Sand Creek Road is a prestressed concrete continuous box beam or girders - multiple carrying State Route 4 WB over Sand Creek Road in Contra Costa County, California. It was built in 2014, so it is 11 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 10,000 vehicles a day, roughly 10% of them trucks, projected to reach 23,703 by 2045. The structure is 203 ft (61.8 m) long and 49 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 WB over Sand Creek Road built?
It was built in 2014, making it 11 years old in 2025.
What condition is State Route 4 WB over Sand Creek Road 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 WB over Sand Creek Road carry?
About 10,000 vehicles per day (2019 count), of which roughly 10% are trucks.
How long is State Route 4 WB over Sand Creek Road?
The structure is 203 ft (61.8 m) long with a longest span of 112 ft (34 m) and a deck 49 ft wide.
Who owns State Route 4 WB over Sand Creek Road?
It is owned by the State Highway Agency.