US Bridges

SB State Route 87 over Almaden Road

Good

Santa Clara County, California · 04-SCL-087-3.58-SJS · Structure no. 37 0366L

Built
1991
34 years old, rebuilt 2007
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
228 ft
3 main spans
Daily traffic
65,000
2009 count
Owner
State
State Highway Agency

About this bridge

SB State Route 87 over Almaden Road is a prestressed concrete continuous box beam or girders - multiple carrying SB State Route 87 over Almaden Road in Santa Clara County, California. It was built in 1991 and reconstructed in 2007, 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 65,000 vehicles a day, roughly 3% of them trucks, projected to reach 93,751 by 2045. The structure is 228 ft (69.5 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSB State Route 87
CrossesAlmaden Road
Location04-SCL-087-3.58-SJS
RouteState Highway 87
Coordinates37.30375, -121.87848
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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length228 ft (69.5 m)
Longest span85 ft (25.9 m)
Deck width68 ft (20.8 m)
Roadway width65 ft (19.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65,000 (2009)
Projected traffic93,751 by 2045
Trucks3%
Lanes on structure4
Traffic directionOne-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 SB State Route 87 over Almaden Road built?

It was built in 1991, making it 34 years old in 2025. It was reconstructed in 2007.

What condition is SB State Route 87 over Almaden Road 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 SB State Route 87 over Almaden Road carry?

About 65,000 vehicles per day (2009 count), of which roughly 3% are trucks.

How long is SB State Route 87 over Almaden Road?

The structure is 228 ft (69.5 m) long with a longest span of 85 ft (25.9 m) and a deck 68 ft wide.

Who owns SB State Route 87 over Almaden Road?

It is owned by the State Highway Agency.