Portola Road over Alembique Creek
GoodSan Mateo County, California · 0.25 MI E of State RTE 84 · Structure no. 35C0214
- Built
- 2021
- 4 years old
- Condition
- Good
- inspected May 2024
- Type
- Slab
- Prestressed Concrete Continuous
- Length
- 87 ft
- 2 main spans
- Daily traffic
- 2,969
- 2019 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Portola Road over Alembique Creek is a prestressed concrete continuous slab carrying Portola Road over Alembique Creek in San Mateo County, California. It was built in 2021, so it is 4 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 2,969 vehicles a day, roughly 1% of them trucks, projected to reach 6,307 by 2041. The structure is 87 ft (26.5 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Portola Road over Alembique Creek built?
It was built in 2021, making it 4 years old in 2025.
What condition is Portola Road over Alembique 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 May 2024.
How much traffic does Portola Road over Alembique Creek carry?
About 2,969 vehicles per day (2019 count), of which roughly 1% are trucks.
How long is Portola Road over Alembique Creek?
The structure is 87 ft (26.5 m) long with a longest span of 42 ft (12.8 m) and a deck 30 ft wide.
Who owns Portola Road over Alembique Creek?
It is owned by the Town or Township Highway Agency.