US Bridges

State Route 237 over Mathilda Avenue

Poor

Santa Clara County, California · 04-SCL-237-2.99-SUNV · Structure no. 37 0179

Built
1961
64 years old
Condition
Poor
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
183 ft
2 main spans
Daily traffic
68,000
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 237 over Mathilda Avenue is a prestressed concrete stringer/multi-beam or girder carrying State Route 237 over Mathilda Avenue in Santa Clara County, California. It was built in 1961, so it is 64 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 68,000 vehicles a day, roughly 6% of them trucks, projected to reach 100,264 by 2041. The structure is 183 ft (55.9 m) long and 89 ft wide.

CarriesState Route 237
CrossesMathilda Avenue
Location04-SCL-237-2.99-SUNV
RouteState Highway 237
Coordinates37.40301, -122.02691
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, 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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.8 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length183 ft (55.9 m)
Longest span80 ft (24.5 m)
Deck width89 ft (27 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic68,000 (2009)
Projected traffic100,264 by 2041
Trucks6%
Lanes on structure4
Traffic directionTwo-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 over Mathilda Avenue built?

It was built in 1961, making it 64 years old in 2025.

What condition is State Route 237 over Mathilda Avenue in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2023.

How much traffic does State Route 237 over Mathilda Avenue carry?

About 68,000 vehicles per day (2009 count), of which roughly 6% are trucks.

How long is State Route 237 over Mathilda Avenue?

The structure is 183 ft (55.9 m) long with a longest span of 80 ft (24.5 m) and a deck 89 ft wide.

Who owns State Route 237 over Mathilda Avenue?

It is owned by the State Highway Agency.