US Bridges

Airport Parkway over Guadalupe River

Good

Santa Clara County, California · 0.4 MI S of US 101 · Structure no. 37C0718

Built
1988
37 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
183 ft
2 main spans
Daily traffic
34,700
1999 count
Owner
City
City or Municipal Highway Agency

About this bridge

Airport Parkway over Guadalupe River is a prestressed concrete continuous box beam or girders - multiple carrying Airport Parkway over Guadalupe River in Santa Clara County, California. It was built in 1988, so it is 37 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 34,700 vehicles a day, roughly 2% of them trucks, projected to reach 56,056 by 2041. The structure is 183 ft (55.8 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAirport Parkway
CrossesGuadalupe River
Location0.4 MI S of US 101
RouteCity Street 0
Coordinates37.37333, -121.93299
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
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 spans2
Design loadHS 20
Structure length183 ft (55.8 m)
Longest span92 ft (27.9 m)
Deck width38 ft (11.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,700 (1999)
Projected traffic56,056 by 2041
Trucks2%
Lanes on structure2
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 Airport Parkway over Guadalupe River built?

It was built in 1988, making it 37 years old in 2025.

What condition is Airport Parkway over Guadalupe River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does Airport Parkway over Guadalupe River carry?

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

How long is Airport Parkway over Guadalupe River?

The structure is 183 ft (55.8 m) long with a longest span of 92 ft (27.9 m) and a deck 38 ft wide.

Who owns Airport Parkway over Guadalupe River?

It is owned by the City or Municipal Highway Agency.