US Bridges

LARK-N17 on Ramp over N17-N&S85 Connector Ramp

Good

Santa Clara County, California · 04-SCL-017-8.98-LGTS · Structure no. 37 0498S

Built
1994
31 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
473 ft
3 main spans
Daily traffic
11,200
2010 count
Owner
State
State Highway Agency

About this bridge

LARK-N17 on Ramp over N17-N&S85 Connector Ramp is a prestressed concrete continuous box beam or girders - multiple carrying LARK-N17 on Ramp over N17-N&S85 Connector Ramp 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 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 11,200 vehicles a day, roughly 5% of them trucks, projected to reach 14,944 by 2044. The structure is 473 ft (144.2 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLARK-N17 on Ramp
CrossesN17-N&S85 Connector Ramp
Location04-SCL-017-8.98-LGTS
RouteState Highway 17
Coordinates37.24991, -121.95857
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
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 length473 ft (144.2 m)
Longest span188 ft (57.3 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,200 (2010)
Projected traffic14,944 by 2044
Trucks5%
Lanes on structure2
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 LARK-N17 on Ramp over N17-N&S85 Connector Ramp built?

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

What condition is LARK-N17 on Ramp over N17-N&S85 Connector Ramp 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 July 2024.

How much traffic does LARK-N17 on Ramp over N17-N&S85 Connector Ramp carry?

About 11,200 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is LARK-N17 on Ramp over N17-N&S85 Connector Ramp?

The structure is 473 ft (144.2 m) long with a longest span of 188 ft (57.3 m) and a deck 32 ft wide.

Who owns LARK-N17 on Ramp over N17-N&S85 Connector Ramp?

It is owned by the State Highway Agency.