US Bridges

NB State Route 87 over Canoas Creek

Fair

Santa Clara County, California · 04-SCL-087-1.92 · Structure no. 37 0417R

Built
1993
32 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
111 ft
1 main span
Daily traffic
55,000
2009 count
Owner
State
State Highway Agency

About this bridge

NB State Route 87 over Canoas Creek is a prestressed concrete box beam or girders - multiple carrying NB State Route 87 over Canoas Creek in Santa Clara County, California. It was built in 1993, so it is 32 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 55,000 vehicles a day, roughly 1% of them trucks, projected to reach 82,391 by 2045. The structure is 111 ft (33.9 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNB State Route 87
CrossesCanoas Creek
Location04-SCL-087-1.92
RouteState Highway 87
Coordinates37.28219, -121.86571
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal 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
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length111 ft (33.9 m)
Longest span109 ft (33.1 m)
Deck width68 ft (20.6 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55,000 (2009)
Projected traffic82,391 by 2045
Trucks1%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was NB State Route 87 over Canoas Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is NB State Route 87 over Canoas Creek 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 April 2023.

How much traffic does NB State Route 87 over Canoas Creek carry?

About 55,000 vehicles per day (2009 count), of which roughly 1% are trucks.

How long is NB State Route 87 over Canoas Creek?

The structure is 111 ft (33.9 m) long with a longest span of 109 ft (33.1 m) and a deck 68 ft wide.

Who owns NB State Route 87 over Canoas Creek?

It is owned by the State Highway Agency.