Somerset Lane over Tassajara Creek
GoodAlameda County, California · West of Creekview Drive · Structure no. 33C0430
- Built
- 2006
- 19 years old
- Condition
- Good
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 134 ft
- 1 main span
- Daily traffic
- 800
- 2017 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Somerset Lane over Tassajara Creek is a prestressed concrete stringer/multi-beam or girder carrying Somerset Lane over Tassajara Creek in Alameda County, California. It was built in 2006, so it is 19 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 800 vehicles a day, roughly 1% of them trucks, projected to reach 160 by 2043. The structure is 134 ft (40.8 m) long and 45 ft wide. If it were closed, the detour would be 0.6 mi (1 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. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Somerset Lane over Tassajara Creek built?
It was built in 2006, making it 19 years old in 2025.
What condition is Somerset Lane over Tassajara 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 October 2023.
How much traffic does Somerset Lane over Tassajara Creek carry?
About 800 vehicles per day (2017 count), of which roughly 1% are trucks.
How long is Somerset Lane over Tassajara Creek?
The structure is 134 ft (40.8 m) long with a longest span of 132 ft (40.2 m) and a deck 45 ft wide.
Who owns Somerset Lane over Tassajara Creek?
It is owned by the City or Municipal Highway Agency.