State Route 24 WB over Walnut Creek Uc (bartd)
GoodContra Costa County, California · 04-CC-024-R8.31 · Structure no. 28 0255
- Built
- 1970
- 55 years old
- Condition
- Good
- inspected June 2023
- Type
- Slab
- Concrete
- Length
- 35 ft
- 2 main spans
- Daily traffic
- 79,500
- 2009 count
- Owner
- Railroad
- Railroad
About this bridge
State Route 24 WB over Walnut Creek Uc (bartd) is a concrete slab carrying State Route 24 WB over Walnut Creek Uc (bartd) in Contra Costa County, California. It was built in 1970, so it is 55 years old, older 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 79,500 vehicles a day, roughly 3% of them trucks, projected to reach 118,967 by 2045. The structure is 35 ft (10.8 m) long. If it were closed, the detour would be 2.5 mi (4 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 24 WB over Walnut Creek Uc (bartd) built?
It was built in 1970, making it 55 years old in 2025.
What condition is State Route 24 WB over Walnut Creek Uc (bartd) 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 24 WB over Walnut Creek Uc (bartd) carry?
About 79,500 vehicles per day (2009 count), of which roughly 3% are trucks.
How long is State Route 24 WB over Walnut Creek Uc (bartd)?
The structure is 35 ft (10.8 m) long with a longest span of 16 ft (4.8 m).
Who owns State Route 24 WB over Walnut Creek Uc (bartd)?
It is owned by the Railroad.