US Bridges

Lark Avenue over State Route 17 & Ramps

Fair

Santa Clara County, California · 04-SCL-017-8.89-LGTS · Structure no. 37 0151

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
23,492
2014 count
Owner
State
State Highway Agency

About this bridge

Lark Avenue over State Route 17 & Ramps is a prestressed concrete continuous box beam or girders - multiple carrying Lark Avenue over State Route 17 & Ramps 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 23,492 vehicles a day, roughly 1% of them trucks, projected to reach 31,829 by 2044. The structure is 262 ft (79.9 m) long and 96 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLark Avenue
CrossesState Route 17 & Ramps
Location04-SCL-017-8.89-LGTS
RouteCity Street 0
CountySanta Clara County
StateCalifornia
Coordinates37.24958, -121.9599
Functional classUrban Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.1 US tons
Inventory rating37.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length262 ft (79.9 m)
Longest span135 ft (41.1 m)
Deck width96 ft (29.2 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,492 (2014)
Projected traffic31,829 by 2044
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 Avenue over State Route 17 & Ramps built?

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

What condition is Lark Avenue over State Route 17 & Ramps 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 Lark Avenue over State Route 17 & Ramps carry?

About 23,492 vehicles per day (2014 count), of which roughly 1% are trucks.

How long is Lark Avenue over State Route 17 & Ramps?

The structure is 262 ft (79.9 m) long with a longest span of 135 ft (41.1 m) and a deck 96 ft wide.

Who owns Lark Avenue over State Route 17 & Ramps?

It is owned by the State Highway Agency.