US Bridges

State Route 237 EB over San Tomas Aquino Creek

Good

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

Built
1994
31 years old
Condition
Good
inspected April 2023
Type
Slab
Concrete Continuous
Length
199 ft
5 main spans
Daily traffic
62,500
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 237 EB over San Tomas Aquino Creek is a concrete continuous slab carrying State Route 237 EB 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 62,500 vehicles a day, roughly 5% of them trucks, projected to reach 79,630 by 2045. The structure is 199 ft (60.7 m) long and 59 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesState Route 237 EB
CrossesSan Tomas Aquino Creek
Location04-SCL-237-R5.68-SJS
RouteState Highway 237
Coordinates37.41435, -121.98033
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 evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum 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 spans5
Design loadHS 20 + Mod
Structure length199 ft (60.7 m)
Longest span41 ft (12.5 m)
Deck width59 ft (18.1 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62,500 (2009)
Projected traffic79,630 by 2045
Trucks5%
Lanes on structure3
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 State Route 237 EB over San Tomas Aquino Creek built?

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

What condition is State Route 237 EB 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 State Route 237 EB over San Tomas Aquino Creek carry?

About 62,500 vehicles per day (2009 count), of which roughly 5% are trucks.

How long is State Route 237 EB over San Tomas Aquino Creek?

The structure is 199 ft (60.7 m) long with a longest span of 41 ft (12.5 m) and a deck 59 ft wide.

Who owns State Route 237 EB over San Tomas Aquino Creek?

It is owned by the State Highway Agency.