US Bridges

State Route 237 WB over UPRR BNSF AMTRAK Streets

Fair

Santa Clara County, California · 04-SCL-237-10.00-MPS · Structure no. 37 0355L

Built
1969
56 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
565 ft
7 main spans
Daily traffic
36,500
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 237 WB over UPRR BNSF AMTRAK Streets is a concrete continuous box beam or girders - multiple carrying State Route 237 WB over UPRR BNSF AMTRAK Streets in Santa Clara County, California. It was built in 1969, so it is 56 years old, older 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 36,500 vehicles a day, roughly 5% of them trucks, projected to reach 93,871 by 2042. The structure is 565 ft (172.1 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 237 WB
CrossesUPRR BNSF AMTRAK Streets
Location04-SCL-237-10.00-MPS
RouteState Highway 237
Coordinates37.43125, -121.90747
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating70.3 US tons
Inventory rating42.5 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length565 ft (172.1 m)
Longest span92 ft (28 m)
Deck width38 ft (11.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,500 (2009)
Projected traffic93,871 by 2042
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was State Route 237 WB over UPRR BNSF AMTRAK Streets built?

It was built in 1969, making it 56 years old in 2025.

What condition is State Route 237 WB over UPRR BNSF AMTRAK Streets 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 2024.

How much traffic does State Route 237 WB over UPRR BNSF AMTRAK Streets carry?

About 36,500 vehicles per day (2009 count), of which roughly 5% are trucks.

How long is State Route 237 WB over UPRR BNSF AMTRAK Streets?

The structure is 565 ft (172.1 m) long with a longest span of 92 ft (28 m) and a deck 38 ft wide.

Who owns State Route 237 WB over UPRR BNSF AMTRAK Streets?

It is owned by the State Highway Agency.