US Bridges

State Route 85 over N85-N280 Connector

Fair

Santa Clara County, California · 04-SCL-085-R18.53-SUNV · Structure no. 37 0232

Built
1967
58 years old, rebuilt 1971
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
154 ft
3 main spans
Daily traffic
115,000
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 85 over N85-N280 Connector is a concrete continuous box beam or girders - multiple carrying State Route 85 over N85-N280 Connector in Santa Clara County, California. It was built in 1967 and reconstructed in 1971, so it is 58 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 6 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 115,000 vehicles a day, roughly 3% of them trucks, projected to reach 143,965 by 2044. The structure is 154 ft (46.9 m) long and 115 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesState Route 85
CrossesN85-N280 Connector
Location04-SCL-085-R18.53-SUNV
RouteState Highway 85
CountySanta Clara County
StateCalifornia
Coordinates37.33337, -122.0565
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
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 rating40 US tons
Inventory rating30.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length154 ft (46.9 m)
Longest span70 ft (21.3 m)
Deck width115 ft (35.2 m)
Roadway width113 ft (34.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic115,000 (2009)
Projected traffic143,965 by 2044
Trucks3%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 State Route 85 over N85-N280 Connector built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1971.

What condition is State Route 85 over N85-N280 Connector 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 June 2024.

How much traffic does State Route 85 over N85-N280 Connector carry?

About 115,000 vehicles per day (2009 count), of which roughly 3% are trucks.

How long is State Route 85 over N85-N280 Connector?

The structure is 154 ft (46.9 m) long with a longest span of 70 ft (21.3 m) and a deck 115 ft wide.

Who owns State Route 85 over N85-N280 Connector?

It is owned by the State Highway Agency.