US Bridges

Great America Pkwy over San Tomas Aquino Crk

Good

Santa Clara County, California · North Tasman DR · Structure no. 37C0176

Built
1975
50 years old
Condition
Good
inspected June 2023
Type
Slab
Concrete Continuous
Length
157 ft
4 main spans
Daily traffic
7,000
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

Great America Pkwy over San Tomas Aquino Crk is a concrete continuous slab carrying Great America Pkwy over San Tomas Aquino Crk in Santa Clara County, California. It was built in 1975, so it is 50 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 7,000 vehicles a day, roughly 1% of them trucks, projected to reach 11,487 by 2045. The structure is 157 ft (47.9 m) long and 112 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesGreat America Pkwy
CrossesSan Tomas Aquino Crk
LocationNorth Tasman DR
RouteCity Street 0
Coordinates37.40791, -121.97757
Functional classUrban Minor 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 within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length157 ft (47.9 m)
Longest span38 ft (11.7 m)
Deck width112 ft (34.1 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2010)
Projected traffic11,487 by 2045
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

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 Great America Pkwy over San Tomas Aquino Crk built?

It was built in 1975, making it 50 years old in 2025.

What condition is Great America Pkwy over San Tomas Aquino Crk 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 Great America Pkwy over San Tomas Aquino Crk carry?

About 7,000 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is Great America Pkwy over San Tomas Aquino Crk?

The structure is 157 ft (47.9 m) long with a longest span of 38 ft (11.7 m) and a deck 112 ft wide.

Who owns Great America Pkwy over San Tomas Aquino Crk?

It is owned by the City or Municipal Highway Agency.