US Bridges

NB State Route 85 over Canoas Creek

Good

Santa Clara County, California · 04-SCL-085-4.28-SJS · Structure no. 37 0412R

Built
1990
35 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
124 ft
1 main span
Daily traffic
51,500
2009 count
Owner
State
State Highway Agency

About this bridge

NB State Route 85 over Canoas Creek is a prestressed concrete box beam or girders - multiple carrying NB State Route 85 over Canoas Creek in Santa Clara County, California. It was built in 1990, so it is 35 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 51,500 vehicles a day, roughly 1% of them trucks, projected to reach 78,674 by 2045. The structure is 124 ft (37.8 m) long and 81 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesNB State Route 85
CrossesCanoas Creek
Location04-SCL-085-4.28-SJS
RouteState Highway 85
CountySanta Clara County
StateCalifornia
Coordinates37.2537, -121.84227
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 inspectionMay 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 alignment9: Superior to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length124 ft (37.8 m)
Longest span124 ft (37.8 m)
Deck width81 ft (24.8 m)
Roadway width78 ft (23.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51,500 (2009)
Projected traffic78,674 by 2045
Trucks1%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed3.1 mi (5 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 NB State Route 85 over Canoas Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is NB State Route 85 over Canoas Creek 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 May 2023.

How much traffic does NB State Route 85 over Canoas Creek carry?

About 51,500 vehicles per day (2009 count), of which roughly 1% are trucks.

How long is NB State Route 85 over Canoas Creek?

The structure is 124 ft (37.8 m) long with a longest span of 124 ft (37.8 m) and a deck 81 ft wide.

Who owns NB State Route 85 over Canoas Creek?

It is owned by the State Highway Agency.