State Route 84 over Interstate 880
GoodAlameda County, California · 04-ALA-084-R5.98-FMT · Structure no. 33 0243
- Built
- 1984
- 41 years old, rebuilt 1990
- Condition
- Good
- inspected August 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 303 ft
- 2 main spans
- Daily traffic
- 66,000
- 2010 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 84 over Interstate 880 is a prestressed concrete continuous box beam or girders - multiple carrying State Route 84 over Interstate 880 in Alameda County, California. It was built in 1984 and reconstructed in 1990, so it is 41 years old, younger than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 66,000 vehicles a day, roughly 4% of them trucks, projected to reach 100,375 by 2043. The structure is 303 ft (92.4 m) long and 107 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| 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 State Route 84 over Interstate 880 built?
It was built in 1984, making it 41 years old in 2025. It was reconstructed in 1990.
What condition is State Route 84 over Interstate 880 in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.
How much traffic does State Route 84 over Interstate 880 carry?
About 66,000 vehicles per day (2010 count), of which roughly 4% are trucks.
How long is State Route 84 over Interstate 880?
The structure is 303 ft (92.4 m) long with a longest span of 151 ft (46 m) and a deck 107 ft wide.
Who owns State Route 84 over Interstate 880?
It is owned by the State Highway Agency.