US Bridges

State Route 85 over Moffett Boulevard

Fair

Santa Clara County, California · 04-SCL-085-R23.44-MVW · Structure no. 37 0187

Built
1965
60 years old, rebuilt 1998
Condition
Fair
inspected June 2024
Type
Tee Beam
Concrete Continuous
Length
207 ft
4 main spans
Daily traffic
72,000
2012 count
Owner
State
State Highway Agency

About this bridge

State Route 85 over Moffett Boulevard is a concrete continuous tee beam carrying State Route 85 over Moffett Boulevard in Santa Clara County, California. It was built in 1965 and reconstructed in 1998, so it is 60 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 72,000 vehicles a day, roughly 2% of them trucks, projected to reach 91,987 by 2044. The structure is 207 ft (63.1 m) long and 136 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 85
CrossesMoffett Boulevard
Location04-SCL-085-R23.44-MVW
RouteState Highway 85
Coordinates37.40263, -122.06969
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJune 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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating37.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length207 ft (63.1 m)
Longest span62 ft (18.9 m)
Deck width136 ft (41.4 m)
Roadway width130 ft (39.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72,000 (2012)
Projected traffic91,987 by 2044
Trucks2%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
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 State Route 85 over Moffett Boulevard built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1998.

What condition is State Route 85 over Moffett Boulevard 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 Moffett Boulevard carry?

About 72,000 vehicles per day (2012 count), of which roughly 2% are trucks.

How long is State Route 85 over Moffett Boulevard?

The structure is 207 ft (63.1 m) long with a longest span of 62 ft (18.9 m) and a deck 136 ft wide.

Who owns State Route 85 over Moffett Boulevard?

It is owned by the State Highway Agency.