US Bridges

State Route 87 over Park Avenue

Fair

Santa Clara County, California · 04-SCL-087-5.56-SJS · Structure no. 37 0310

Built
1978
47 years old, rebuilt 1988
Condition
Fair
inspected January 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
189 ft
2 main spans
Daily traffic
99,000
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 87 over Park Avenue is a concrete continuous box beam or girders - multiple carrying State Route 87 over Park Avenue in Santa Clara County, California. It was built in 1978 and reconstructed in 1988, so it is 47 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 99,000 vehicles a day, projected to reach 97,155 by 2044. The structure is 189 ft (57.5 m) long and 135 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesState Route 87
CrossesPark Avenue
Location04-SCL-087-5.56-SJS
RouteState Highway 87
CountySanta Clara County
StateCalifornia
Coordinates37.3291, -121.89546
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 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 rating59.3 US tons
Inventory rating45.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length189 ft (57.5 m)
Longest span95 ft (29 m)
Deck width135 ft (41.3 m)
Roadway width125 ft (38.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic99,000 (2009)
Projected traffic97,155 by 2044
Trucks0%
Lanes on structure7
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 87 over Park Avenue built?

It was built in 1978, making it 47 years old in 2025. It was reconstructed in 1988.

What condition is State Route 87 over Park Avenue in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.

How much traffic does State Route 87 over Park Avenue carry?

About 99,000 vehicles per day (2009 count).

How long is State Route 87 over Park Avenue?

The structure is 189 ft (57.5 m) long with a longest span of 95 ft (29 m) and a deck 135 ft wide.

Who owns State Route 87 over Park Avenue?

It is owned by the State Highway Agency.