US Bridges

Moraga Way over W Branch San Leandro CR

Fair

Contra Costa County, California · 0.25 MI NW Canyon RD · Structure no. 28C0164

Built
1954
71 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete Continuous
Length
36 ft
2 main spans
Daily traffic
10,000
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Moraga Way over W Branch San Leandro CR is a concrete continuous culvert carrying Moraga Way over W Branch San Leandro CR in Contra Costa County, California. It was built in 1954, so it is 71 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 10,000 vehicles a day, roughly 5% of them trucks, projected to reach 14,270 by 2042. The structure is 36 ft (10.9 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMoraga Way
CrossesW Branch San Leandro CR
Location0.25 MI NW Canyon RD
RouteCounty Highway 0
Coordinates37.83576, -122.13173
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length36 ft (10.9 m)
Longest span17 ft (5.3 m)
Deck width44 ft (13.4 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (2021)
Projected traffic14,270 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Moraga Way over W Branch San Leandro CR built?

It was built in 1954, making it 71 years old in 2025.

What condition is Moraga Way over W Branch San Leandro CR 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 December 2023.

How much traffic does Moraga Way over W Branch San Leandro CR carry?

About 10,000 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Moraga Way over W Branch San Leandro CR?

The structure is 36 ft (10.9 m) long with a longest span of 17 ft (5.3 m) and a deck 44 ft wide.

Who owns Moraga Way over W Branch San Leandro CR?

It is owned by the City or Municipal Highway Agency.