State Route 242 over Willow Pass Road
FairContra Costa County, California · 04-CC-242-R0.87-CND · Structure no. 28 0163
- Built
- 1963
- 62 years old, rebuilt 2000
- Condition
- Fair
- inspected January 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 263 ft
- 3 main spans
- Daily traffic
- 80,000
- 2009 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 242 over Willow Pass Road is a concrete continuous box beam or girders - multiple carrying State Route 242 over Willow Pass Road in Contra Costa County, California. It was built in 1963 and reconstructed in 2000, so it is 62 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 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 80,000 vehicles a day, roughly 5% of them trucks, projected to reach 220,846 by 2044. The structure is 263 ft (80.2 m) long and 113 ft wide. If it were closed, the detour would be 5 mi (8 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 242 over Willow Pass Road built?
It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2000.
What condition is State Route 242 over Willow Pass Road 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 2024.
How much traffic does State Route 242 over Willow Pass Road carry?
About 80,000 vehicles per day (2009 count), of which roughly 5% are trucks.
How long is State Route 242 over Willow Pass Road?
The structure is 263 ft (80.2 m) long with a longest span of 127 ft (38.7 m) and a deck 113 ft wide.
Who owns State Route 242 over Willow Pass Road?
It is owned by the State Highway Agency.