Capitol Expressway over U.S. Highway 101
GoodSanta Clara County, California · 04-SCL-101-31.70-SJS · Structure no. 37 0218
- Built
- 1965
- 60 years old, rebuilt 1978
- Condition
- Good
- inspected January 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 300 ft
- 4 main spans
- Daily traffic
- 43,338
- 1998 count
- Owner
- State
- State Highway Agency
About this bridge
Capitol Expressway over U.S. Highway 101 is a prestressed concrete continuous stringer/multi-beam or girder carrying Capitol Expressway over U.S. Highway 101 in Santa Clara County, California. It was built in 1965 and reconstructed in 1978, so it is 60 years old, older 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 43,338 vehicles a day, roughly 1% of them trucks, projected to reach 58,177 by 2043. The structure is 300 ft (91.4 m) long and 128 ft wide. If it were closed, the detour would be 1.2 mi (2 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Capitol Expressway over U.S. Highway 101 built?
It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1978.
What condition is Capitol Expressway over U.S. Highway 101 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 January 2023.
How much traffic does Capitol Expressway over U.S. Highway 101 carry?
About 43,338 vehicles per day (1998 count), of which roughly 1% are trucks.
How long is Capitol Expressway over U.S. Highway 101?
The structure is 300 ft (91.4 m) long with a longest span of 80 ft (24.4 m) and a deck 128 ft wide.
Who owns Capitol Expressway over U.S. Highway 101?
It is owned by the State Highway Agency.