State Route 4 WB over Sand Creek
FairContra Costa County, California · 04-CC-004-M34.40 · Structure no. 28 0372L
- Built
- 2003
- 22 years old, rebuilt 2014
- Condition
- Fair
- inspected June 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 88 ft
- 1 main span
- Daily traffic
- 23,000
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 4 WB over Sand Creek is a prestressed concrete box beam or girders - multiple carrying State Route 4 WB over Sand Creek in Contra Costa County, California. It was built in 2003 and reconstructed in 2014, 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 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 10% of them trucks, projected to reach 56,327 by 2045. The structure is 88 ft (26.8 m) long and 56 ft wide.
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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Sand Creek built?
It was built in 2003, making it 22 years old in 2025. It was reconstructed in 2014.
What condition is State Route 4 WB over Sand Creek 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 June 2023.
How much traffic does State Route 4 WB over Sand Creek carry?
About 23,000 vehicles per day (2017 count), of which roughly 10% are trucks.
How long is State Route 4 WB over Sand Creek?
The structure is 88 ft (26.8 m) long with a longest span of 88 ft (26.8 m) and a deck 56 ft wide.
Who owns State Route 4 WB over Sand Creek?
It is owned by the State Highway Agency.