US Bridges

On-Ramp EB RTE 152 over Santa Clara Conduit Drn

Good

Santa Clara County, California · 04-SCL-152-R23.50 · Structure no. 37 0487S

Built
1991
34 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
75 ft
1 main span
Daily traffic
1,000
2001 count
Owner
State
State Highway Agency

About this bridge

On-Ramp EB RTE 152 over Santa Clara Conduit Drn is a prestressed concrete box beam or girders - multiple carrying On-Ramp EB RTE 152 over Santa Clara Conduit Drn in Santa Clara County, California. It was built in 1991, so it is 34 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 1,000 vehicles a day, roughly 23% of them trucks, projected to reach 3,272 by 2046. The structure is 75 ft (22.9 m) long and 27 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesOn-Ramp EB RTE 152
CrossesSanta Clara Conduit Drn
Location04-SCL-152-R23.50
RouteState Highway 152
Coordinates36.9897, -121.38334
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 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 rating42.1 US tons
Inventory rating29.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length75 ft (22.9 m)
Longest span72 ft (21.9 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2001)
Projected traffic3,272 by 2046
Trucks23%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed123.7 mi (199 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 On-Ramp EB RTE 152 over Santa Clara Conduit Drn built?

It was built in 1991, making it 34 years old in 2025.

What condition is On-Ramp EB RTE 152 over Santa Clara Conduit Drn 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 October 2024.

How much traffic does On-Ramp EB RTE 152 over Santa Clara Conduit Drn carry?

About 1,000 vehicles per day (2001 count), of which roughly 23% are trucks.

How long is On-Ramp EB RTE 152 over Santa Clara Conduit Drn?

The structure is 75 ft (22.9 m) long with a longest span of 72 ft (21.9 m) and a deck 27 ft wide.

Who owns On-Ramp EB RTE 152 over Santa Clara Conduit Drn?

It is owned by the State Highway Agency.