US Bridges

NB Rengstorff Ave over U.S. Highway 101

Fair

Santa Clara County, California · 04-SCL-101-49.61-MVW · Structure no. 37 0143

Built
1961
64 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
251 ft
2 main spans
Daily traffic
15,000
2009 count
Owner
State
State Highway Agency

About this bridge

NB Rengstorff Ave over U.S. Highway 101 is a prestressed concrete stringer/multi-beam or girder carrying NB Rengstorff Ave over U.S. Highway 101 in Santa Clara County, California. It was built in 1961, so it is 64 years old, older 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 15,000 vehicles a day, roughly 1% of them trucks, projected to reach 20,814 by 2042. The structure is 251 ft (76.5 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNB Rengstorff Ave
CrossesU.S. Highway 101
Location04-SCL-101-49.61-MVW
RouteCity Street 0C321
CountySanta Clara County
StateCalifornia
Coordinates37.4206, -122.09254
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment7: Better than present minimum criteria
Operating rating51.5 US tons
Inventory rating29.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20 + Mod
Structure length251 ft (76.5 m)
Longest span86 ft (26.2 m)
Deck width37 ft (11.2 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (2009)
Projected traffic20,814 by 2042
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
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 NB Rengstorff Ave over U.S. Highway 101 built?

It was built in 1961, making it 64 years old in 2025.

What condition is NB Rengstorff Ave over U.S. Highway 101 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 February 2024.

How much traffic does NB Rengstorff Ave over U.S. Highway 101 carry?

About 15,000 vehicles per day (2009 count), of which roughly 1% are trucks.

How long is NB Rengstorff Ave over U.S. Highway 101?

The structure is 251 ft (76.5 m) long with a longest span of 86 ft (26.2 m) and a deck 37 ft wide.

Who owns NB Rengstorff Ave over U.S. Highway 101?

It is owned by the State Highway Agency.