N Livermore Ave over Arroyo Las Positas
FairAlameda County, California · 375 Ft South of I-580 · Structure no. 33C0079
- Built
- 1972
- 53 years old
- Condition
- Fair
- inspected November 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 118 ft
- 1 main span
- Daily traffic
- 25,000
- 2014 count
- Owner
- County
- County Highway Agency
About this bridge
N Livermore Ave over Arroyo Las Positas is a prestressed concrete box beam or girders - multiple carrying N Livermore Ave over Arroyo Las Positas in Alameda County, California. It was built in 1972, so it is 53 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 5 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 25,000 vehicles a day, roughly 2% of them trucks, projected to reach 55,426 by 2041. The structure is 118 ft (36 m) long and 104 ft wide. If it were closed, the detour would be 5 mi (8 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N Livermore Ave over Arroyo Las Positas built?
It was built in 1972, making it 53 years old in 2025.
What condition is N Livermore Ave over Arroyo Las Positas 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 November 2023.
How much traffic does N Livermore Ave over Arroyo Las Positas carry?
About 25,000 vehicles per day (2014 count), of which roughly 2% are trucks.
How long is N Livermore Ave over Arroyo Las Positas?
The structure is 118 ft (36 m) long with a longest span of 116 ft (35.4 m) and a deck 104 ft wide.
Who owns N Livermore Ave over Arroyo Las Positas?
It is owned by the County Highway Agency.