US Bridges

Kay Oc over State Route 24

Good

Alameda County, California · 04-ALA-024-R5.47-OAK · Structure no. 33 0362

Built
1965
60 years old
Condition
Good
inspected February 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
260 ft
4 main spans
Daily traffic
2,100
2012 count
Owner
State
State Highway Agency

About this bridge

Kay Oc over State Route 24 is a concrete continuous box beam or girders - multiple carrying Kay Oc over State Route 24 in Alameda County, California. It was built in 1965, so it is 60 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 2,100 vehicles a day, roughly 5% of them trucks, projected to reach 2,860 by 2044. The structure is 260 ft (79.2 m) long and 52 ft wide. If it were closed, the detour would be 55.3 mi (89 km).

CarriesKay Oc
CrossesState Route 24
Location04-ALA-024-R5.47-OAK
RouteCity Street 0
Coordinates37.85076, -122.22348
Functional classUrban Collector

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.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating35.1 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length260 ft (79.2 m)
Longest span92 ft (28 m)
Deck width52 ft (15.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2012)
Projected traffic2,860 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed55.3 mi (89 km)
TollOn a free road
National Highway SystemNo

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 Kay Oc over State Route 24 built?

It was built in 1965, making it 60 years old in 2025.

What condition is Kay Oc over State Route 24 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 February 2024.

How much traffic does Kay Oc over State Route 24 carry?

About 2,100 vehicles per day (2012 count), of which roughly 5% are trucks.

How long is Kay Oc over State Route 24?

The structure is 260 ft (79.2 m) long with a longest span of 92 ft (28 m) and a deck 52 ft wide.

Who owns Kay Oc over State Route 24?

It is owned by the State Highway Agency.