Cowper ST over Matadero Creek
PoorSanta Clara County, California · Colo Ave & Loma Verde Av · Structure no. 37C0769
- Built
- 1989
- 36 years old
- Condition
- Poor
- inspected April 2024
- Type
- Slab
- Prestressed Concrete
- Length
- 37 ft
- 1 main span
- Daily traffic
- 5,000
- 2012 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Cowper ST over Matadero Creek is a prestressed concrete slab carrying Cowper ST over Matadero Creek in Santa Clara 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 5,000 vehicles a day, roughly 1% of them trucks, projected to reach 7,549 by 2046. The structure is 37 ft (11.4 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Cowper ST over Matadero Creek built?
It was built in 1989, making it 36 years old in 2025.
What condition is Cowper ST over Matadero Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.
How much traffic does Cowper ST over Matadero Creek carry?
About 5,000 vehicles per day (2012 count), of which roughly 1% are trucks.
How long is Cowper ST over Matadero Creek?
The structure is 37 ft (11.4 m) long with a longest span of 35 ft (10.7 m) and a deck 48 ft wide.
Who owns Cowper ST over Matadero Creek?
It is owned by the City or Municipal Highway Agency.