El Portal Ave over San Ramon Creek
GoodContra Costa County, California · 0.06 MI NE Danville Blvd · Structure no. 28C0092
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected December 2021
- Type
- Slab
- Prestressed Concrete Continuous
- Length
- 167 ft
- 3 main spans
- Daily traffic
- 600
- 2020 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
El Portal Ave over San Ramon Creek is a prestressed concrete continuous slab carrying El Portal Ave over San Ramon Creek in Contra Costa County, California. It was built in 1989, so it is 36 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 600 vehicles a day, roughly 2% of them trucks, projected to reach 1,069 by 2043. The structure is 167 ft (50.9 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was El Portal Ave over San Ramon Creek built?
It was built in 1989, making it 36 years old in 2025.
What condition is El Portal Ave over San Ramon 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 December 2021.
How much traffic does El Portal Ave over San Ramon Creek carry?
About 600 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is El Portal Ave over San Ramon Creek?
The structure is 167 ft (50.9 m) long with a longest span of 55 ft (16.8 m) and a deck 38 ft wide.
Who owns El Portal Ave over San Ramon Creek?
It is owned by the City or Municipal Highway Agency.