US Bridges

Central Ave over Alameda Flood Control Ch

Good

Alameda County, California · At Willow Street · Structure no. 33C0500

Built
2022
3 years old
Condition
Good
inspected September 2024
Type
Slab
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
1,000
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Central Ave over Alameda Flood Control Ch is a prestressed concrete slab carrying Central Ave over Alameda Flood Control Ch in Alameda County, California. It was built in 2022, so it is 3 years old, younger 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 1,000 vehicles a day, roughly 1% of them trucks, projected to reach 1,200 by 2042. The structure is 64 ft (19.5 m) long and 37 ft wide.

CarriesCentral Ave
CrossesAlameda Flood Control Ch
LocationAt Willow Street
RouteCity Street 0
Coordinates37.51623, -122.04725
Functional classUrban Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length64 ft (19.5 m)
Longest span63 ft (19.2 m)
Deck width37 ft (11.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2023)
Projected traffic1,200 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Central Ave over Alameda Flood Control Ch built?

It was built in 2022, making it 3 years old in 2025.

What condition is Central Ave over Alameda Flood Control Ch 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 September 2024.

How much traffic does Central Ave over Alameda Flood Control Ch carry?

About 1,000 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Central Ave over Alameda Flood Control Ch?

The structure is 64 ft (19.5 m) long with a longest span of 63 ft (19.2 m) and a deck 37 ft wide.

Who owns Central Ave over Alameda Flood Control Ch?

It is owned by the City or Municipal Highway Agency.