US Bridges

U.S. HWY 101 (nb) over State Route 152

Fair

Santa Clara County, California · 04-SCL-101-R7.52-GIL · Structure no. 37 0328R

Built
1973
52 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
160 ft
1 main span
Daily traffic
26,000
2009 count
Owner
State
State Highway Agency

About this bridge

U.S. HWY 101 (nb) over State Route 152 is a prestressed concrete box beam or girders - multiple carrying U.S. HWY 101 (nb) over State Route 152 in Santa Clara County, California. It was built in 1973, so it is 52 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 26,000 vehicles a day, roughly 8% of them trucks, projected to reach 66,313 by 2046. The structure is 160 ft (48.8 m) long and 69 ft wide.

Location

Open in Google Maps
CarriesU.S. HWY 101 (nb)
CrossesState Route 152
Location04-SCL-101-R7.52-GIL
RouteU.S. Route 101
CountySanta Clara County
StateCalifornia
Coordinates37.02232, -121.56624
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating67.9 US tons
Inventory rating40.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length160 ft (48.8 m)
Longest span159 ft (48.5 m)
Deck width69 ft (21 m)
Roadway width67 ft (20.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,000 (2009)
Projected traffic66,313 by 2046
Trucks8%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 U.S. HWY 101 (nb) over State Route 152 built?

It was built in 1973, making it 52 years old in 2025.

What condition is U.S. HWY 101 (nb) over State Route 152 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 October 2024.

How much traffic does U.S. HWY 101 (nb) over State Route 152 carry?

About 26,000 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is U.S. HWY 101 (nb) over State Route 152?

The structure is 160 ft (48.8 m) long with a longest span of 159 ft (48.5 m) and a deck 69 ft wide.

Who owns U.S. HWY 101 (nb) over State Route 152?

It is owned by the State Highway Agency.