US Bridges

Whitman ST over Orchard Ave

Good

Alameda County, California · Orchard Ave · Structure no. 33C0211

Built
1970
55 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
168 ft
4 main spans
Daily traffic
8,226
2010 count
Owner
City
City or Municipal Highway Agency

About this bridge

Whitman ST over Orchard Ave is a concrete continuous box beam or girders - multiple carrying Whitman ST over Orchard Ave in Alameda County, California. It was built in 1970, so it is 55 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 8,226 vehicles a day, roughly 2% of them trucks, projected to reach 6,563 by 2042. The structure is 168 ft (51.1 m) long and 58 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWhitman ST
CrossesOrchard Ave
LocationOrchard Ave
RouteCity Street 0
Coordinates37.65868, -122.07672
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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50 US tons
Inventory rating38.6 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length168 ft (51.1 m)
Longest span48 ft (14.6 m)
Deck width58 ft (17.7 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,226 (2010)
Projected traffic6,563 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Whitman ST over Orchard Ave built?

It was built in 1970, making it 55 years old in 2025.

What condition is Whitman ST over Orchard Ave 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 October 2024.

How much traffic does Whitman ST over Orchard Ave carry?

About 8,226 vehicles per day (2010 count), of which roughly 2% are trucks.

How long is Whitman ST over Orchard Ave?

The structure is 168 ft (51.1 m) long with a longest span of 48 ft (14.6 m) and a deck 58 ft wide.

Who owns Whitman ST over Orchard Ave?

It is owned by the City or Municipal Highway Agency.