US Bridges

6th Street over U.S. Highway 101

Good

Santa Clara County, California · 04-SCL-101-R6.58-GIL · Structure no. 37 0326

Built
1972
53 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
290 ft
2 main spans
Daily traffic
10,800
1998 count
Owner
State
State Highway Agency

About this bridge

6th Street over U.S. Highway 101 is a prestressed concrete continuous box beam or girders - multiple carrying 6th Street over U.S. Highway 101 in Santa Clara County, California. It was built in 1972, so it is 53 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 10,800 vehicles a day, roughly 4% of them trucks, projected to reach 22,396 by 2046. The structure is 290 ft (88.4 m) long and 52 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries6th Street
CrossesU.S. Highway 101
Location04-SCL-101-R6.58-GIL
RouteCity Street 0
Coordinates37.00961, -121.56016
Functional classUrban Collector

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 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.9 US tons
Inventory rating37.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length290 ft (88.4 m)
Longest span159 ft (48.5 m)
Deck width52 ft (15.8 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,800 (1998)
Projected traffic22,396 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.7 mi (6 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 6th Street over U.S. Highway 101 built?

It was built in 1972, making it 53 years old in 2025.

What condition is 6th Street 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 October 2024.

How much traffic does 6th Street over U.S. Highway 101 carry?

About 10,800 vehicles per day (1998 count), of which roughly 4% are trucks.

How long is 6th Street over U.S. Highway 101?

The structure is 290 ft (88.4 m) long with a longest span of 159 ft (48.5 m) and a deck 52 ft wide.

Who owns 6th Street over U.S. Highway 101?

It is owned by the State Highway Agency.