US Bridges

Bascom Ave on Ramp over NB85-NB17 & NB85-SB17

Fair

Santa Clara County, California · 04-SCL-085-R10.30-LGTS · Structure no. 37 0496S

Built
1994
31 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
333 ft
3 main spans
Daily traffic
6,300
2001 count
Owner
State
State Highway Agency

About this bridge

Bascom Ave on Ramp over NB85-NB17 & NB85-SB17 is a prestressed concrete continuous box beam or girders - multiple carrying Bascom Ave on Ramp over NB85-NB17 & NB85-SB17 in Santa Clara County, California. It was built in 1994, so it is 31 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 6,300 vehicles a day, roughly 2% of them trucks, projected to reach 10,305 by 2041. The structure is 333 ft (101.5 m) long and 39 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesBascom Ave on Ramp
CrossesNB85-NB17 & NB85-SB17
Location04-SCL-085-R10.30-LGTS
RouteState Highway 85
Coordinates37.25535, -121.95171
Functional classUrban Other Principal 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length333 ft (101.5 m)
Longest span151 ft (46.1 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,300 (2001)
Projected traffic10,305 by 2041
Trucks2%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 Bascom Ave on Ramp over NB85-NB17 & NB85-SB17 built?

It was built in 1994, making it 31 years old in 2025.

What condition is Bascom Ave on Ramp over NB85-NB17 & NB85-SB17 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 September 2023.

How much traffic does Bascom Ave on Ramp over NB85-NB17 & NB85-SB17 carry?

About 6,300 vehicles per day (2001 count), of which roughly 2% are trucks.

How long is Bascom Ave on Ramp over NB85-NB17 & NB85-SB17?

The structure is 333 ft (101.5 m) long with a longest span of 151 ft (46.1 m) and a deck 39 ft wide.

Who owns Bascom Ave on Ramp over NB85-NB17 & NB85-SB17?

It is owned by the State Highway Agency.