US Bridges

Skyport Drive over Guadalupe River

Fair

Santa Clara County, California · 0.5 MI S of RTE 101 · Structure no. 37C0717

Built
2001
24 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
237 ft
3 main spans
Daily traffic
34,700
1999 count
Owner
City
City or Municipal Highway Agency

About this bridge

Skyport Drive over Guadalupe River is a prestressed concrete continuous box beam or girders - multiple carrying Skyport Drive over Guadalupe River in Santa Clara County, California. It was built in 2001, so it is 24 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 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 34,700 vehicles a day, roughly 2% of them trucks, projected to reach 56,056 by 2041. The structure is 237 ft (72.3 m) long and 131 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSkyport Drive
CrossesGuadalupe River
Location0.5 MI S of RTE 101
RouteCity Street 0
Coordinates37.36371, -121.91991
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
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
Structure length237 ft (72.3 m)
Longest span93 ft (28.3 m)
Deck width131 ft (39.9 m)
Roadway width124 ft (37.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,700 (1999)
Projected traffic56,056 by 2041
Trucks2%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Skyport Drive over Guadalupe River built?

It was built in 2001, making it 24 years old in 2025.

What condition is Skyport Drive over Guadalupe River 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 2023.

How much traffic does Skyport Drive over Guadalupe River carry?

About 34,700 vehicles per day (1999 count), of which roughly 2% are trucks.

How long is Skyport Drive over Guadalupe River?

The structure is 237 ft (72.3 m) long with a longest span of 93 ft (28.3 m) and a deck 131 ft wide.

Who owns Skyport Drive over Guadalupe River?

It is owned by the City or Municipal Highway Agency.