US Bridges

State Route 237 WB over Great America Parkway

Fair

Santa Clara County, California · 04-SCL-237-R5.83-SCL · Structure no. 37 0471L

Built
1994
31 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
193 ft
2 main spans
Daily traffic
62,500
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 237 WB over Great America Parkway is a prestressed concrete continuous box beam or girders - multiple carrying State Route 237 WB over Great America Parkway 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 fair condition with a lowest component rating of 5 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 62,500 vehicles a day, roughly 5% of them trucks, projected to reach 79,630 by 2045. The structure is 193 ft (58.8 m) long and 59 ft wide.

CarriesState Route 237 WB
CrossesGreat America Parkway
Location04-SCL-237-R5.83-SCL
RouteState Highway 237
Coordinates37.41568, -121.97783
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating65.7 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length193 ft (58.8 m)
Longest span97 ft (29.6 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
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was State Route 237 WB over Great America Parkway built?

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

What condition is State Route 237 WB over Great America Parkway 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 April 2023.

How much traffic does State Route 237 WB over Great America Parkway carry?

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

How long is State Route 237 WB over Great America Parkway?

The structure is 193 ft (58.8 m) long with a longest span of 97 ft (29.6 m) and a deck 59 ft wide.

Who owns State Route 237 WB over Great America Parkway?

It is owned by the State Highway Agency.