Interstate 80 over BNSF Sycamore Willow
FairContra Costa County, California · 04-CC-080-9.72-HER · Structure no. 28 0143
- Built
- 1998
- 27 years old
- Condition
- Fair
- inspected July 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 720 ft
- 7 main spans
- Daily traffic
- 179,000
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
Interstate 80 over BNSF Sycamore Willow is a prestressed concrete continuous box beam or girders - multiple carrying Interstate 80 over BNSF Sycamore Willow in Contra Costa County, California. It was built in 1998, so it is 27 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 179,000 vehicles a day, roughly 5% of them trucks, projected to reach 243,773 by 2045. The structure is 720 ft (219.4 m) long and 152 ft wide. If it were closed, the detour would be 6.2 mi (10 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 Interstate 80 over BNSF Sycamore Willow built?
It was built in 1998, making it 27 years old in 2025.
What condition is Interstate 80 over BNSF Sycamore Willow 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 2023.
How much traffic does Interstate 80 over BNSF Sycamore Willow carry?
About 179,000 vehicles per day (2019 count), of which roughly 5% are trucks.
How long is Interstate 80 over BNSF Sycamore Willow?
The structure is 720 ft (219.4 m) long with a longest span of 194 ft (59.2 m) and a deck 152 ft wide.
Who owns Interstate 80 over BNSF Sycamore Willow?
It is owned by the State Highway Agency.