US Bridges

NB Lawrence Expwy over State Route 237

Fair

Santa Clara County, California · 04-SCL-237-R4.60-SUNV · Structure no. 37 0247

Built
1966
59 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
274 ft
4 main spans
Daily traffic
32,000
1998 count
Owner
State
State Highway Agency

About this bridge

NB Lawrence Expwy over State Route 237 is a prestressed concrete continuous stringer/multi-beam or girder carrying NB Lawrence Expwy over State Route 237 in Santa Clara County, California. It was built in 1966, so it is 59 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 6 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 32,000 vehicles a day, roughly 4% of them trucks, projected to reach 51,818 by 2041. The structure is 274 ft (83.5 m) long and 46 ft wide.

CarriesNB Lawrence Expwy
CrossesState Route 237
Location04-SCL-237-R4.60-SUNV
RouteCounty Highway 0
Coordinates37.40961, -121.99874
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating40.7 US tons
Inventory rating27.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4 (+2 approach)
Design loadHS 20 + Mod
Structure length274 ft (83.5 m)
Longest span60 ft (18.3 m)
Deck width46 ft (14 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,000 (1998)
Projected traffic51,818 by 2041
Trucks4%
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 NB Lawrence Expwy over State Route 237 built?

It was built in 1966, making it 59 years old in 2025.

What condition is NB Lawrence Expwy over State Route 237 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 NB Lawrence Expwy over State Route 237 carry?

About 32,000 vehicles per day (1998 count), of which roughly 4% are trucks.

How long is NB Lawrence Expwy over State Route 237?

The structure is 274 ft (83.5 m) long with a longest span of 60 ft (18.3 m) and a deck 46 ft wide.

Who owns NB Lawrence Expwy over State Route 237?

It is owned by the State Highway Agency.