US Bridges

S87-S85 Connector over SR 85 Lrt Ramps Chynowth

Good

Santa Clara County, California · 04-SCL-087-0.10-SJS · Structure no. 37 0414F

Built
1991
34 years old, rebuilt 2003
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
2,231 ft
13 main spans
Daily traffic
50,000
1998 count
Owner
State
State Highway Agency

About this bridge

S87-S85 Connector over SR 85 Lrt Ramps Chynowth is a prestressed concrete continuous box beam or girders - multiple carrying S87-S85 Connector over SR 85 Lrt Ramps Chynowth in Santa Clara County, California. It was built in 1991 and reconstructed in 2003, so it is 34 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 50,000 vehicles a day, roughly 2% of them trucks, projected to reach 81,779 by 2041. The structure is 2,231 ft (680.1 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesS87-S85 Connector
CrossesSR 85 Lrt Ramps Chynowth
Location04-SCL-087-0.10-SJS
RouteState Highway 87
CountySanta Clara County
StateCalifornia
Coordinates37.25503, -121.8557
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 inspectionApril 2023
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 alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans13 (+6 approach)
Design loadHS 20 + Mod
Structure length2,231 ft (680.1 m)
Longest span208 ft (63.5 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50,000 (1998)
Projected traffic81,779 by 2041
Trucks2%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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 S87-S85 Connector over SR 85 Lrt Ramps Chynowth built?

It was built in 1991, making it 34 years old in 2025. It was reconstructed in 2003.

What condition is S87-S85 Connector over SR 85 Lrt Ramps Chynowth 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 April 2023.

How much traffic does S87-S85 Connector over SR 85 Lrt Ramps Chynowth carry?

About 50,000 vehicles per day (1998 count), of which roughly 2% are trucks.

How long is S87-S85 Connector over SR 85 Lrt Ramps Chynowth?

The structure is 2,231 ft (680.1 m) long with a longest span of 208 ft (63.5 m) and a deck 41 ft wide.

Who owns S87-S85 Connector over SR 85 Lrt Ramps Chynowth?

It is owned by the State Highway Agency.