US Bridges

Bancroft Ave over San Leandro Creek

Fair

Alameda County, California · 0.1 MI N/O Callahan Ave · Structure no. 33C0029

Built
1948
77 years old
Condition
Fair
inspected July 2023
Type
Slab
Concrete
Length
82 ft
1 main span
Daily traffic
10,600
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Bancroft Ave over San Leandro Creek is a concrete slab carrying Bancroft Ave over San Leandro Creek in Alameda 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 fair condition with a lowest component rating of 5 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 10,600 vehicles a day, roughly 15% of them trucks, projected to reach 15,925 by 2041. The structure is 82 ft (25 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesBancroft Ave
CrossesSan Leandro Creek
Location0.1 MI N/O Callahan Ave
RouteCity Street 0
CountyAlameda County
StateCalifornia
Coordinates37.72906, -122.14854
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating68.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length82 ft (25 m)
Longest span70 ft (21.3 m)
Deck width70 ft (21.4 m)
Roadway width56 ft (17 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,600 (2016)
Projected traffic15,925 by 2041
Trucks15%
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 Bancroft Ave over San Leandro Creek built?

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

What condition is Bancroft Ave over San Leandro Creek 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 July 2023.

How much traffic does Bancroft Ave over San Leandro Creek carry?

About 10,600 vehicles per day (2016 count), of which roughly 15% are trucks.

How long is Bancroft Ave over San Leandro Creek?

The structure is 82 ft (25 m) long with a longest span of 70 ft (21.3 m) and a deck 70 ft wide.

Who owns Bancroft Ave over San Leandro Creek?

It is owned by the City or Municipal Highway Agency.