US Bridges

Mccarthy Boulevard over State Route 237 & Conn

Fair

Santa Clara County, California · 04-SCL-237-R8.92R-MPS · Structure no. 37 0474

Built
1991
34 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
351 ft
2 main spans
Daily traffic
15,261
2003 count
Owner
State
State Highway Agency

About this bridge

Mccarthy Boulevard over State Route 237 & Conn is a prestressed concrete continuous box beam or girders - multiple carrying Mccarthy Boulevard over State Route 237 & Conn in Santa Clara County, California. It was built in 1991, so it is 34 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 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 15,261 vehicles a day, roughly 5% of them trucks, projected to reach 22,689 by 2042. The structure is 351 ft (107.1 m) long and 127 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesMccarthy Boulevard
CrossesState Route 237 & Conn
Location04-SCL-237-R8.92R-MPS
RouteCity Street 0
Coordinates37.42391, -121.92361
Functional classUrban Minor 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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length351 ft (107.1 m)
Longest span203 ft (61.9 m)
Deck width127 ft (38.7 m)
Roadway width78 ft (23.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,261 (2003)
Projected traffic22,689 by 2042
Trucks5%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

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 Mccarthy Boulevard over State Route 237 & Conn built?

It was built in 1991, making it 34 years old in 2025.

What condition is Mccarthy Boulevard over State Route 237 & Conn 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 Mccarthy Boulevard over State Route 237 & Conn carry?

About 15,261 vehicles per day (2003 count), of which roughly 5% are trucks.

How long is Mccarthy Boulevard over State Route 237 & Conn?

The structure is 351 ft (107.1 m) long with a longest span of 203 ft (61.9 m) and a deck 127 ft wide.

Who owns Mccarthy Boulevard over State Route 237 & Conn?

It is owned by the State Highway Agency.