US Bridges

Westminster Ave-Eb over Los Alamitos Channel

Fair

Orange County, California · 0.8 MI W/O Seal Beach Bl. · Structure no. 55C0041R

Built
1964
61 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
68 ft
3 main spans
Daily traffic
13,000
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Westminster Ave-Eb over Los Alamitos Channel is a concrete continuous slab carrying Westminster Ave-Eb over Los Alamitos Channel in Orange County, California. It was built in 1964, so it is 61 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 5 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 13,000 vehicles a day, roughly 1% of them trucks, projected to reach 23,671 by 2041. The structure is 68 ft (20.7 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesWestminster Ave-Eb
CrossesLos Alamitos Channel
Location0.8 MI W/O Seal Beach Bl.
RouteCity Street 0
CountyOrange County
StateCalifornia
Coordinates33.75948, -118.09198
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.8 US tons
Inventory rating34.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length68 ft (20.7 m)
Longest span26 ft (7.9 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,000 (2020)
Projected traffic23,671 by 2041
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Westminster Ave-Eb over Los Alamitos Channel built?

It was built in 1964, making it 61 years old in 2025.

What condition is Westminster Ave-Eb over Los Alamitos Channel 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 April 2024.

How much traffic does Westminster Ave-Eb over Los Alamitos Channel carry?

About 13,000 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Westminster Ave-Eb over Los Alamitos Channel?

The structure is 68 ft (20.7 m) long with a longest span of 26 ft (7.9 m) and a deck 38 ft wide.

Who owns Westminster Ave-Eb over Los Alamitos Channel?

It is owned by the City or Municipal Highway Agency.