US Bridges

Seaside Freeway over Pier S Avenue

Fair

Los Angeles County, California · 0.7 Mile Eo Navy Way · Structure no. 53C2071

Built
2005
20 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
146 ft
1 main span
Daily traffic
47,900
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Seaside Freeway over Pier S Avenue is a prestressed concrete box beam or girders - multiple carrying Seaside Freeway over Pier S Avenue in Los Angeles County, California. It was built in 2005, so it is 20 years old, younger 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 47,900 vehicles a day, roughly 21% of them trucks, projected to reach 60,200 by 2043. The structure is 146 ft (44.6 m) long and 92 ft wide.

CarriesSeaside Freeway
CrossesPier S Avenue
Location0.7 Mile Eo Navy Way
RouteCity Street 0
Coordinates33.7575, -118.24056
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.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating78.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length146 ft (44.6 m)
Longest span141 ft (42.9 m)
Deck width92 ft (27.9 m)
Roadway width86 ft (26.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,900 (2017)
Projected traffic60,200 by 2043
Trucks21%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Seaside Freeway over Pier S Avenue built?

It was built in 2005, making it 20 years old in 2025.

What condition is Seaside Freeway over Pier S Avenue 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 May 2023.

How much traffic does Seaside Freeway over Pier S Avenue carry?

About 47,900 vehicles per day (2017 count), of which roughly 21% are trucks.

How long is Seaside Freeway over Pier S Avenue?

The structure is 146 ft (44.6 m) long with a longest span of 141 ft (42.9 m) and a deck 92 ft wide.

Who owns Seaside Freeway over Pier S Avenue?

It is owned by the City or Municipal Highway Agency.