US Bridges

S280-N880 Connectr over I 280 I 880 & Connectrs

Good

Santa Clara County, California · 04-SCL-280-L5.50-SJS · Structure no. 37 0193F

Built
1963
62 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
1,256 ft
9 main spans
Daily traffic
17,000
2002 count
Owner
State
State Highway Agency

About this bridge

S280-N880 Connectr over I 280 I 880 & Connectrs is a steel stringer/multi-beam or girder carrying S280-N880 Connectr over I 280 I 880 & Connectrs in Santa Clara County, California. It was built in 1963, so it is 62 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 17,000 vehicles a day, roughly 3% of them trucks, projected to reach 27,712 by 2047. The structure is 1,256 ft (382.7 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS280-N880 Connectr
CrossesI 280 I 880 & Connectrs
Location04-SCL-280-L5.50-SJS
RouteInterstate 280
Coordinates37.31952, -121.93993
Functional classUrban Principal Arterial - Interstate

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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.6 US tons
Inventory rating34.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length1,256 ft (382.7 m)
Longest span171 ft (52 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,000 (2002)
Projected traffic27,712 by 2047
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate 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 S280-N880 Connectr over I 280 I 880 & Connectrs built?

It was built in 1963, making it 62 years old in 2025.

What condition is S280-N880 Connectr over I 280 I 880 & Connectrs 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 S280-N880 Connectr over I 280 I 880 & Connectrs carry?

About 17,000 vehicles per day (2002 count), of which roughly 3% are trucks.

How long is S280-N880 Connectr over I 280 I 880 & Connectrs?

The structure is 1,256 ft (382.7 m) long with a longest span of 171 ft (52 m) and a deck 34 ft wide.

Who owns S280-N880 Connectr over I 280 I 880 & Connectrs?

It is owned by the State Highway Agency.