US Bridges

Bowers Avenue over U.S. Highway 101

Good

Santa Clara County, California · 04-SCL-101-42.73-SCL · Structure no. 37 0390

Built
1975
50 years old
Condition
Good
inspected February 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
258 ft
2 main spans
Daily traffic
57,677
1998 count
Owner
State
State Highway Agency

About this bridge

Bowers Avenue over U.S. Highway 101 is a prestressed concrete continuous box beam or girders - multiple carrying Bowers Avenue over U.S. Highway 101 in Santa Clara County, California. It was built in 1975, so it is 50 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 57,677 vehicles a day, roughly 1% of them trucks, projected to reach 74,348 by 2043. The structure is 258 ft (78.6 m) long and 128 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBowers Avenue
CrossesU.S. Highway 101
Location04-SCL-101-42.73-SCL
RouteCity Street 0
Coordinates37.38533, -121.97681
Functional classUrban Other Principal Arterial

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 inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length258 ft (78.6 m)
Longest span129 ft (39.3 m)
Deck width128 ft (39 m)
Roadway width104 ft (31.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic57,677 (1998)
Projected traffic74,348 by 2043
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 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 Bowers Avenue over U.S. Highway 101 built?

It was built in 1975, making it 50 years old in 2025.

What condition is Bowers Avenue over U.S. Highway 101 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 February 2025.

How much traffic does Bowers Avenue over U.S. Highway 101 carry?

About 57,677 vehicles per day (1998 count), of which roughly 1% are trucks.

How long is Bowers Avenue over U.S. Highway 101?

The structure is 258 ft (78.6 m) long with a longest span of 129 ft (39.3 m) and a deck 128 ft wide.

Who owns Bowers Avenue over U.S. Highway 101?

It is owned by the State Highway Agency.