US Bridges

Leavesley RD over Marcella Ditch

Good

Santa Clara County, California · E/O Marcella Ave · Structure no. 37C0009

Built
1948
77 years old
Condition
Good
inspected November 2022
Type
Slab
Concrete Continuous
Length
44 ft
2 main spans
Daily traffic
7,800
2014 count
Owner
County
County Highway Agency

About this bridge

Leavesley RD over Marcella Ditch is a concrete continuous slab carrying Leavesley RD over Marcella Ditch in Santa Clara County, California. It was built in 1948, so it is 77 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,800 vehicles a day, roughly 5% of them trucks, projected to reach 10,202 by 2044. The structure is 44 ft (13.4 m) long and 57 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesLeavesley RD
CrossesMarcella Ditch
LocationE/O Marcella Ave
RouteCounty Highway 0
Coordinates37.02799, -121.55186
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating40 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span21 ft (6.4 m)
Deck width57 ft (17.5 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,800 (2014)
Projected traffic10,202 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

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 Leavesley RD over Marcella Ditch built?

It was built in 1948, making it 77 years old in 2025.

What condition is Leavesley RD over Marcella Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2022.

How much traffic does Leavesley RD over Marcella Ditch carry?

About 7,800 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is Leavesley RD over Marcella Ditch?

The structure is 44 ft (13.4 m) long with a longest span of 21 ft (6.4 m) and a deck 57 ft wide.

Who owns Leavesley RD over Marcella Ditch?

It is owned by the County Highway Agency.