Interstate 680 over Laurel Drive
PoorContra Costa County, California · 04-CC-680-R7.02-DNVL · Structure no. 28 0196
- Built
- 1964
- 61 years old, rebuilt 2007
- Condition
- Poor
- inspected July 2024
- Type
- Box Beam or Girders - Multiple
- Concrete Continuous
- Length
- 409 ft
- 5 main spans
- Daily traffic
- 192,200
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 680 over Laurel Drive is a concrete continuous box beam or girders - multiple carrying Interstate 680 over Laurel Drive in Contra Costa County, California. It was built in 1964 and reconstructed in 2007, so it is 61 years old, older than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 192,200 vehicles a day, roughly 6% of them trucks, projected to reach 250,000 by 2041. The structure is 409 ft (124.7 m) long and 164 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 680 over Laurel Drive built?
It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2007.
What condition is Interstate 680 over Laurel Drive in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.
How much traffic does Interstate 680 over Laurel Drive carry?
About 192,200 vehicles per day (2020 count), of which roughly 6% are trucks.
How long is Interstate 680 over Laurel Drive?
The structure is 409 ft (124.7 m) long with a longest span of 100 ft (30.5 m) and a deck 164 ft wide.
Who owns Interstate 680 over Laurel Drive?
It is owned by the State Highway Agency.