Oakley Road over State Route 160
FairContra Costa County, California · 04-CC-160-0.48 · Structure no. 28 0109
- Built
- 1971
- 54 years old
- Condition
- Fair
- inspected July 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 229 ft
- 2 main spans
- Daily traffic
- 1,700
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
Oakley Road over State Route 160 is a prestressed concrete continuous box beam or girders - multiple carrying Oakley Road over State Route 160 in Contra Costa County, California. It was built in 1971, so it is 54 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 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 1,700 vehicles a day, roughly 1% of them trucks, projected to reach 3,144 by 2042. The structure is 229 ft (69.8 m) long and 52 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Oakley Road over State Route 160 built?
It was built in 1971, making it 54 years old in 2025.
What condition is Oakley Road over State Route 160 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 July 2024.
How much traffic does Oakley Road over State Route 160 carry?
About 1,700 vehicles per day (2018 count), of which roughly 1% are trucks.
How long is Oakley Road over State Route 160?
The structure is 229 ft (69.8 m) long with a longest span of 114 ft (34.6 m) and a deck 52 ft wide.
Who owns Oakley Road over State Route 160?
It is owned by the State Highway Agency.