US Bridges

S17-N85 Connector over Oka Road

Fair

Santa Clara County, California · 04-SCL-017-9.45-LGTS · Structure no. 37 0536F

Built
1994
31 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
262 ft
2 main spans
Daily traffic
6,700
2010 count
Owner
State
State Highway Agency

About this bridge

S17-N85 Connector over Oka Road is a prestressed concrete continuous box beam or girders - multiple carrying S17-N85 Connector over Oka Road in Santa Clara County, California. It was built in 1994, so it is 31 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 6 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 6,700 vehicles a day, roughly 1% of them trucks, projected to reach 8,875 by 2044. The structure is 262 ft (79.9 m) long and 37 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesS17-N85 Connector
CrossesOka Road
Location04-SCL-017-9.45-LGTS
RouteState Highway 17
Coordinates37.25731, -121.95683
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than 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 spans2
Design loadHS 20 + Mod
Structure length262 ft (79.9 m)
Longest span135 ft (41.2 m)
Deck width37 ft (11.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,700 (2010)
Projected traffic8,875 by 2044
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 S17-N85 Connector over Oka Road built?

It was built in 1994, making it 31 years old in 2025.

What condition is S17-N85 Connector over Oka Road 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 July 2024.

How much traffic does S17-N85 Connector over Oka Road carry?

About 6,700 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is S17-N85 Connector over Oka Road?

The structure is 262 ft (79.9 m) long with a longest span of 135 ft (41.2 m) and a deck 37 ft wide.

Who owns S17-N85 Connector over Oka Road?

It is owned by the State Highway Agency.