US Bridges

Interstate 880 over N 1st ST & Vta Lrt

Good

Santa Clara County, California · 04-SCL-880-3.56-SJS · Structure no. 37 0140

Built
1960
65 years old, rebuilt 2003
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
172 ft
2 main spans
Daily traffic
165,000
2017 count
Owner
State
State Highway Agency

About this bridge

Interstate 880 over N 1st ST & Vta Lrt is a steel stringer/multi-beam or girder carrying Interstate 880 over N 1st ST & Vta Lrt in Santa Clara County, California. It was built in 1960 and reconstructed in 2003, so it is 65 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 165,000 vehicles a day, roughly 6% of them trucks, projected to reach 237,462 by 2042. The structure is 172 ft (52.5 m) long and 132 ft wide.

CarriesInterstate 880
CrossesN 1st ST & Vta Lrt
Location04-SCL-880-3.56-SJS
RouteInterstate 880
Coordinates37.35809, -121.90722
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.8 US tons
Inventory rating29.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length172 ft (52.5 m)
Longest span54 ft (16.6 m)
Deck width132 ft (40.2 m)
Roadway width125 ft (38.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic165,000 (2017)
Projected traffic237,462 by 2042
Trucks6%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 Interstate 880 over N 1st ST & Vta Lrt built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2003.

What condition is Interstate 880 over N 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 March 2023.

How much traffic does Interstate 880 over N 1st ST & Vta Lrt carry?

About 165,000 vehicles per day (2017 count), of which roughly 6% are trucks.

How long is Interstate 880 over N 1st ST & Vta Lrt?

The structure is 172 ft (52.5 m) long with a longest span of 54 ft (16.6 m) and a deck 132 ft wide.

Who owns Interstate 880 over N 1st ST & Vta Lrt?

It is owned by the State Highway Agency.