US Bridges

Park Boulevard over Hillside

Fair

Alameda County, California · 0.5 MI S of SR 13 · Structure no. 33C0178

Built
1932
93 years old
Condition
Fair
inspected November 2024
Type
Girder and Floorbeam System
Concrete Continuous
Length
359 ft
18 main spans
Daily traffic
18,753
2002 count
Owner
City
City or Municipal Highway Agency

About this bridge

Park Boulevard over Hillside is a concrete continuous girder and floorbeam system carrying Park Boulevard over Hillside in Alameda County, California. It was built in 1932, so it is 93 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 18,753 vehicles a day, roughly 2% of them trucks, projected to reach 33,040 by 2044. The structure is 359 ft (109.4 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesPark Boulevard
CrossesHillside
Location0.5 MI S of SR 13
RouteCity Street 0
CountyAlameda County
StateCalifornia
Coordinates37.81432, -122.21324
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.8 US tons
Inventory rating18.5 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans18
Design loadUnknown
Structure length359 ft (109.4 m)
Longest span20 ft (6.1 m)
Deck width22 ft (6.7 m)
Roadway width48 ft (14.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,753 (2002)
Projected traffic33,040 by 2044
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesOther
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Park Boulevard over Hillside built?

It was built in 1932, making it 93 years old in 2025.

What condition is Park Boulevard over Hillside in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does Park Boulevard over Hillside carry?

About 18,753 vehicles per day (2002 count), of which roughly 2% are trucks.

How long is Park Boulevard over Hillside?

The structure is 359 ft (109.4 m) long with a longest span of 20 ft (6.1 m) and a deck 22 ft wide.

Who owns Park Boulevard over Hillside?

It is owned by the City or Municipal Highway Agency.