Winton Ave over Interstate 880
PoorAlameda County, California · 04-ALA-880-17.60-HAY · Structure no. 33 0181
- Built
- 1968
- 57 years old
- Condition
- Poor
- inspected May 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 277 ft
- 3 main spans
- Daily traffic
- 52,800
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
Winton Ave over Interstate 880 is a prestressed concrete continuous box beam or girders - multiple carrying Winton Ave over Interstate 880 in Alameda County, California. It was built in 1968, so it is 57 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 52,800 vehicles a day, roughly 2% of them trucks, projected to reach 96,514 by 2046. The structure is 277 ft (84.4 m) long and 94 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Winton Ave over Interstate 880 built?
It was built in 1968, making it 57 years old in 2025.
What condition is Winton Ave over Interstate 880 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 May 2024.
How much traffic does Winton Ave over Interstate 880 carry?
About 52,800 vehicles per day (2016 count), of which roughly 2% are trucks.
How long is Winton Ave over Interstate 880?
The structure is 277 ft (84.4 m) long with a longest span of 141 ft (43 m) and a deck 94 ft wide.
Who owns Winton Ave over Interstate 880?
It is owned by the State Highway Agency.