US Bridges

Whipple RD over Alameda Creek

Good

Alameda County, California · 0.2 MI E Union City Blvd · Structure no. 33C0222

Built
1977
48 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
22,900
2009 count
Owner
City
City or Municipal Highway Agency

About this bridge

Whipple RD over Alameda Creek is a concrete continuous culvert carrying Whipple RD over Alameda Creek in Alameda County, California. It was built in 1977, so it is 48 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 22,900 vehicles a day, roughly 5% of them trucks, projected to reach 16,685 by 2042. The structure is 21 ft (6.3 m) long and 98 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesWhipple RD
CrossesAlameda Creek
Location0.2 MI E Union City Blvd
RouteCity Street 0
Coordinates37.60556, -122.07886
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum 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 length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width98 ft (29.9 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,900 (2009)
Projected traffic16,685 by 2042
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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 Whipple RD over Alameda Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Whipple RD over Alameda Creek 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 Whipple RD over Alameda Creek carry?

About 22,900 vehicles per day (2009 count), of which roughly 5% are trucks.

How long is Whipple RD over Alameda Creek?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 98 ft wide.

Who owns Whipple RD over Alameda Creek?

It is owned by the City or Municipal Highway Agency.