US Bridges

Central Expressway over Lawrence Expressway

Fair

Santa Clara County, California · 1 MI S of US 101 · Structure no. 37C0183

Built
1968
57 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
136 ft
2 main spans
Daily traffic
36,160
2014 count
Owner
County
County Highway Agency

About this bridge

Central Expressway over Lawrence Expressway is a concrete continuous box beam or girders - multiple carrying Central Expressway over Lawrence Expressway in Santa Clara County, California. It was built in 1968, so it is 57 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 36,160 vehicles a day, roughly 5% of them trucks, projected to reach 65,727 by 2044. The structure is 136 ft (41.6 m) long and 100 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCentral Expressway
CrossesLawrence Expressway
Location1 MI S of US 101
RouteCity Street 0
Coordinates37.37751, -121.99627
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating43.2 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length136 ft (41.6 m)
Longest span67 ft (20.5 m)
Deck width100 ft (30.5 m)
Roadway width83 ft (25.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,160 (2014)
Projected traffic65,727 by 2044
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Central Expressway over Lawrence Expressway built?

It was built in 1968, making it 57 years old in 2025.

What condition is Central Expressway over Lawrence Expressway 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 October 2024.

How much traffic does Central Expressway over Lawrence Expressway carry?

About 36,160 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is Central Expressway over Lawrence Expressway?

The structure is 136 ft (41.6 m) long with a longest span of 67 ft (20.5 m) and a deck 100 ft wide.

Who owns Central Expressway over Lawrence Expressway?

It is owned by the County Highway Agency.