Interstate 680 over Olympic Boulevard
FairContra Costa County, California · 04-CC-680-13.93-WLC · Structure no. 28 0161
- Built
- 1994
- 31 years old, rebuilt 1997
- Condition
- Fair
- inspected July 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 191 ft
- 2 main spans
- Daily traffic
- 195,300
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 680 over Olympic Boulevard is a prestressed concrete continuous box beam or girders - multiple carrying Interstate 680 over Olympic Boulevard in Contra Costa County, California. It was built in 1994 and reconstructed in 1997, so it is 31 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 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 195,300 vehicles a day, roughly 6% of them trucks, projected to reach 254,000 by 2041. The structure is 191 ft (58.2 m) long and 228 ft wide. If it were closed, the detour would be 2.5 mi (4 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Interstate 680 over Olympic Boulevard built?
It was built in 1994, making it 31 years old in 2025. It was reconstructed in 1997.
What condition is Interstate 680 over Olympic Boulevard 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 Interstate 680 over Olympic Boulevard carry?
About 195,300 vehicles per day (2020 count), of which roughly 6% are trucks.
How long is Interstate 680 over Olympic Boulevard?
The structure is 191 ft (58.2 m) long with a longest span of 94 ft (28.7 m) and a deck 228 ft wide.
Who owns Interstate 680 over Olympic Boulevard?
It is owned by the State Highway Agency.