Vanderslice Ave over Unnamed Creek
FairContra Costa County, California · 0.2 MI N Rudgear RD · Structure no. 28C0213
- Built
- 1950
- 75 years old
- Condition
- Fair
- inspected January 2025
- Type
- Slab
- Concrete Continuous
- Length
- 52 ft
- 3 main spans
- Daily traffic
- 400
- 2021 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Vanderslice Ave over Unnamed Creek is a concrete continuous slab carrying Vanderslice Ave over Unnamed Creek in Contra Costa County, California. It was built in 1950, so it is 75 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 6 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 400 vehicles a day, roughly 1% of them trucks, projected to reach 602 by 2045. The structure is 52 ft (15.8 m) long and 27 ft wide. If it were closed, the detour would be 123.7 mi (199 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Vanderslice Ave over Unnamed Creek built?
It was built in 1950, making it 75 years old in 2025.
What condition is Vanderslice Ave over Unnamed 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 January 2025.
How much traffic does Vanderslice Ave over Unnamed Creek carry?
About 400 vehicles per day (2021 count), of which roughly 1% are trucks.
How long is Vanderslice Ave over Unnamed Creek?
The structure is 52 ft (15.8 m) long with a longest span of 17 ft (5.2 m) and a deck 27 ft wide.
Who owns Vanderslice Ave over Unnamed Creek?
It is owned by the City or Municipal Highway Agency.