Westridge DR over Corte Madera Creek
FairSan Mateo County, California · 0.4 MI N/E Portola RD · Structure no. 35C0172
- Built
- 1990
- 35 years old
- Condition
- Fair
- inspected May 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 46 ft
- 1 main span
- Daily traffic
- 1,465
- 2018 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Westridge DR over Corte Madera Creek is a prestressed concrete tee beam carrying Westridge DR over Corte Madera Creek in San Mateo County, California. It was built in 1990, so it is 35 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 1,465 vehicles a day, roughly 1% of them trucks, projected to reach 1,823 by 2042. The structure is 46 ft (14 m) long and 40 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Westridge DR over Corte Madera Creek built?
It was built in 1990, making it 35 years old in 2025.
What condition is Westridge DR over Corte Madera Creek 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 May 2024.
How much traffic does Westridge DR over Corte Madera Creek carry?
About 1,465 vehicles per day (2018 count), of which roughly 1% are trucks.
How long is Westridge DR over Corte Madera Creek?
The structure is 46 ft (14 m) long with a longest span of 44 ft (13.4 m) and a deck 40 ft wide.
Who owns Westridge DR over Corte Madera Creek?
It is owned by the City or Municipal Highway Agency.