US Bridges

State Route 85 NB over Almaden Expressway

Fair

Santa Clara County, California · 04-SCL-085-6.00-SJS · Structure no. 37 0530R

Built
1992
33 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
238 ft
2 main spans
Daily traffic
52,500
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 85 NB over Almaden Expressway is a prestressed concrete continuous box beam or girders - multiple carrying State Route 85 NB over Almaden Expressway in Santa Clara County, California. It was built in 1992, so it is 33 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 52,500 vehicles a day, roughly 2% of them trucks, projected to reach 75,705 by 2041. The structure is 238 ft (72.5 m) long and 86 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesState Route 85 NB
CrossesAlmaden Expressway
Location04-SCL-085-6.00-SJS
RouteState Highway 85
Coordinates37.25607, -121.87539
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 inspectionSeptember 2023
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 rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length238 ft (72.5 m)
Longest span121 ft (36.9 m)
Deck width86 ft (26.1 m)
Roadway width83 ft (25.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52,500 (2009)
Projected traffic75,705 by 2041
Trucks2%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 NB over Almaden Expressway built?

It was built in 1992, making it 33 years old in 2025.

What condition is State Route 85 NB over Almaden Expressway 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 September 2023.

How much traffic does State Route 85 NB over Almaden Expressway carry?

About 52,500 vehicles per day (2009 count), of which roughly 2% are trucks.

How long is State Route 85 NB over Almaden Expressway?

The structure is 238 ft (72.5 m) long with a longest span of 121 ft (36.9 m) and a deck 86 ft wide.

Who owns State Route 85 NB over Almaden Expressway?

It is owned by the State Highway Agency.