State Route 84 over Alameda Creek
GoodAlameda County, California · 04-ALA-084-13.33 · Structure no. 33 0759
- Built
- 2022
- 3 years old
- Condition
- Good
- inspected September 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 700 ft
- 5 main spans
- Daily traffic
- 14,000
- 2010 count
- Owner
- State
- State Highway Agency
About this bridge
State Route 84 over Alameda Creek is a prestressed concrete continuous box beam or girders - multiple carrying State Route 84 over Alameda Creek in Alameda County, California. It was built in 2022, so it is 3 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 14,000 vehicles a day, roughly 8% of them trucks, projected to reach 34,237 by 2043. The structure is 700 ft (213.4 m) long and 46 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State Route 84 over Alameda Creek built?
It was built in 2022, making it 3 years old in 2025.
What condition is State Route 84 over Alameda Creek 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 September 2023.
How much traffic does State Route 84 over Alameda Creek carry?
About 14,000 vehicles per day (2010 count), of which roughly 8% are trucks.
How long is State Route 84 over Alameda Creek?
The structure is 700 ft (213.4 m) long with a longest span of 120 ft (36.5 m) and a deck 46 ft wide.
Who owns State Route 84 over Alameda Creek?
It is owned by the State Highway Agency.