US Bridges

State Route 85 over S85-S280 Connector

Good

Santa Clara County, California · 04-SCL-085-R18.35-SUNV · Structure no. 37 0230

Built
1971
54 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
118 ft
1 main span
Daily traffic
121,000
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 85 over S85-S280 Connector is a prestressed concrete box beam or girders - multiple carrying State Route 85 over S85-S280 Connector in Santa Clara County, California. It was built in 1971, so it is 54 years old, younger 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 121,000 vehicles a day, roughly 1% of them trucks, projected to reach 172,974 by 2044. The structure is 118 ft (36.1 m) long and 117 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 85
CrossesS85-S280 Connector
Location04-SCL-085-R18.35-SUNV
RouteState Highway 85
Coordinates37.3313, -122.05436
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 inspectionJune 2024
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 alignment8: Equal to present desirable criteria
Operating rating87.2 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length118 ft (36.1 m)
Longest span114 ft (34.7 m)
Deck width117 ft (35.8 m)
Roadway width112 ft (34.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic121,000 (2009)
Projected traffic172,974 by 2044
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 State Route 85 over S85-S280 Connector built?

It was built in 1971, making it 54 years old in 2025.

What condition is State Route 85 over S85-S280 Connector 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 June 2024.

How much traffic does State Route 85 over S85-S280 Connector carry?

About 121,000 vehicles per day (2009 count), of which roughly 1% are trucks.

How long is State Route 85 over S85-S280 Connector?

The structure is 118 ft (36.1 m) long with a longest span of 114 ft (34.7 m) and a deck 117 ft wide.

Who owns State Route 85 over S85-S280 Connector?

It is owned by the State Highway Agency.