US Bridges

Great AMERICA-W237 over San Tomas Aquino Creek

Good

Santa Clara County, California · 04-SCL-237-R5.68-SJS · Structure no. 37 0159K

Built
1994
31 years old
Condition
Good
inspected April 2023
Type
Slab
Concrete Continuous
Length
203 ft
5 main spans
Daily traffic
4,500
1998 count
Owner
State
State Highway Agency

About this bridge

Great AMERICA-W237 over San Tomas Aquino Creek is a concrete continuous slab carrying Great AMERICA-W237 over San Tomas Aquino Creek in Santa Clara County, California. It was built in 1994, so it is 31 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 4,500 vehicles a day, roughly 5% of them trucks, projected to reach 8,734 by 2043. The structure is 203 ft (61.9 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesGreat AMERICA-W237
CrossesSan Tomas Aquino Creek
Location04-SCL-237-R5.68-SJS
RouteState Highway 237
Coordinates37.41486, -121.98046
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.5 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length203 ft (61.9 m)
Longest span42 ft (12.8 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,500 (1998)
Projected traffic8,734 by 2043
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Great AMERICA-W237 over San Tomas Aquino Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Great AMERICA-W237 over San Tomas Aquino Creek 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 April 2023.

How much traffic does Great AMERICA-W237 over San Tomas Aquino Creek carry?

About 4,500 vehicles per day (1998 count), of which roughly 5% are trucks.

How long is Great AMERICA-W237 over San Tomas Aquino Creek?

The structure is 203 ft (61.9 m) long with a longest span of 42 ft (12.8 m) and a deck 28 ft wide.

Who owns Great AMERICA-W237 over San Tomas Aquino Creek?

It is owned by the State Highway Agency.