US Bridges

U.S. Highway 101 over North 1st ST & Vta Lrt

Good

Santa Clara County, California · 04-SCL-101-39.29-SJS · Structure no. 37 0116

Built
1959
66 years old, rebuilt 1993
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
214 ft
4 main spans
Daily traffic
144,000
2009 count
Owner
State
State Highway Agency

About this bridge

U.S. Highway 101 over North 1st ST & Vta Lrt is a steel stringer/multi-beam or girder carrying U.S. Highway 101 over North 1st ST & Vta Lrt in Santa Clara County, California. It was built in 1959 and reconstructed in 1993, so it is 66 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 144,000 vehicles a day, roughly 5% of them trucks, projected to reach 197,057 by 2045. The structure is 214 ft (65.2 m) long and 162 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesU.S. Highway 101
CrossesNorth 1st ST & Vta Lrt
Location04-SCL-101-39.29-SJS
RouteU.S. Route 101
Coordinates37.37204, -121.91701
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.9 US tons
Inventory rating32.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length214 ft (65.2 m)
Longest span72 ft (21.9 m)
Deck width162 ft (49.3 m)
Roadway width157 ft (47.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic144,000 (2009)
Projected traffic197,057 by 2045
Trucks5%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was U.S. Highway 101 over North 1st ST & Vta Lrt built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1993.

What condition is U.S. Highway 101 over North 1st ST & Vta Lrt 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 February 2025.

How much traffic does U.S. Highway 101 over North 1st ST & Vta Lrt carry?

About 144,000 vehicles per day (2009 count), of which roughly 5% are trucks.

How long is U.S. Highway 101 over North 1st ST & Vta Lrt?

The structure is 214 ft (65.2 m) long with a longest span of 72 ft (21.9 m) and a deck 162 ft wide.

Who owns U.S. Highway 101 over North 1st ST & Vta Lrt?

It is owned by the State Highway Agency.