US Bridges

Mckee Road over Interstate 680

Fair

Santa Clara County, California · 04-SCL-680-M2.38-SJS · Structure no. 37 0292

Built
1974
51 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
325 ft
2 main spans
Daily traffic
45,000
2009 count
Owner
State
State Highway Agency

About this bridge

Mckee Road over Interstate 680 is a prestressed concrete continuous box beam or girders - multiple carrying Mckee Road over Interstate 680 in Santa Clara County, California. It was built in 1974, so it is 51 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 45,000 vehicles a day, roughly 1% of them trucks, projected to reach 65,422 by 2041. The structure is 325 ft (99.1 m) long and 134 ft wide.

CarriesMckee Road
CrossesInterstate 680
Location04-SCL-680-M2.38-SJS
RouteCity Street 0C040
Coordinates37.36751, -121.8465
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 inspectionJuly 2023
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 rating57.9 US tons
Inventory rating44.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length325 ft (99.1 m)
Longest span160 ft (48.8 m)
Deck width134 ft (40.7 m)
Roadway width120 ft (36.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45,000 (2009)
Projected traffic65,422 by 2041
Trucks1%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
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 Mckee Road over Interstate 680 built?

It was built in 1974, making it 51 years old in 2025.

What condition is Mckee Road over Interstate 680 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 July 2023.

How much traffic does Mckee Road over Interstate 680 carry?

About 45,000 vehicles per day (2009 count), of which roughly 1% are trucks.

How long is Mckee Road over Interstate 680?

The structure is 325 ft (99.1 m) long with a longest span of 160 ft (48.8 m) and a deck 134 ft wide.

Who owns Mckee Road over Interstate 680?

It is owned by the State Highway Agency.