US Bridges

Harrison&oakland-N over Harrison Street

Good

Alameda County, California · 04-ALA-580-44.33-OAK · Structure no. 33 0289S

Built
1961
64 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
131 ft
2 main spans
Daily traffic
13,100
2011 count
Owner
State
State Highway Agency

About this bridge

Harrison&oakland-N over Harrison Street is a concrete continuous box beam or girders - multiple carrying Harrison&oakland-N over Harrison Street in Alameda County, California. It was built in 1961, so it is 64 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 13,100 vehicles a day, roughly 2% of them trucks, projected to reach 14,815 by 2042. The structure is 131 ft (39.9 m) long and 34 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesHarrison&oakland-N
CrossesHarrison Street
Location04-ALA-580-44.33-OAK
RouteInterstate 580
Coordinates37.81962, -122.25413
Functional classUrban Principal Arterial - Interstate

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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.1 US tons
Inventory rating28.5 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length131 ft (39.9 m)
Longest span82 ft (25 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck20 ft (6 m)

Traffic and service

Average daily traffic13,100 (2011)
Projected traffic14,815 by 2042
Trucks2%
Lanes on structure1
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Harrison&oakland-N over Harrison Street built?

It was built in 1961, making it 64 years old in 2025.

What condition is Harrison&oakland-N over Harrison Street 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 August 2024.

How much traffic does Harrison&oakland-N over Harrison Street carry?

About 13,100 vehicles per day (2011 count), of which roughly 2% are trucks.

How long is Harrison&oakland-N over Harrison Street?

The structure is 131 ft (39.9 m) long with a longest span of 82 ft (25 m) and a deck 34 ft wide.

Who owns Harrison&oakland-N over Harrison Street?

It is owned by the State Highway Agency.