South Vasco RD over Arroyo Seco
FairAlameda County, California · 0.1 MI N/O East Ave · Structure no. 33C0129
- Built
- 1958
- 67 years old
- Condition
- Fair
- inspected October 2023
- Type
- Slab
- Concrete
- Length
- 29 ft
- 1 main span
- Daily traffic
- 9,400
- 2009 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
South Vasco RD over Arroyo Seco is a concrete slab carrying South Vasco RD over Arroyo Seco in Alameda County, California. It was built in 1958, so it is 67 years old, older 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 9,400 vehicles a day, roughly 2% of them trucks, projected to reach 4,347 by 2041. The structure is 29 ft (8.8 m) long and 81 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 South Vasco RD over Arroyo Seco built?
It was built in 1958, making it 67 years old in 2025.
What condition is South Vasco RD over Arroyo Seco 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 October 2023.
How much traffic does South Vasco RD over Arroyo Seco carry?
About 9,400 vehicles per day (2009 count), of which roughly 2% are trucks.
How long is South Vasco RD over Arroyo Seco?
The structure is 29 ft (8.8 m) long with a longest span of 27 ft (8.2 m) and a deck 81 ft wide.
Who owns South Vasco RD over Arroyo Seco?
It is owned by the City or Municipal Highway Agency.