US Bridges

LA Mirada Blvd. over Coyote Creek Channel

Fair

Orange County, California · 0.2 Mi. Nw/O Beach Blvd. · Structure no. 55C0198

Built
1950
75 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete Continuous
Length
75 ft
2 main spans
Daily traffic
24,000
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

LA Mirada Blvd. over Coyote Creek Channel is a concrete continuous slab carrying LA Mirada Blvd. over Coyote Creek Channel in Orange County, California. It was built in 1950, so it is 75 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 24,000 vehicles a day, roughly 1% of them trucks, projected to reach 50,963 by 2040. The structure is 75 ft (22.9 m) long and 91 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLA Mirada Blvd.
CrossesCoyote Creek Channel
Location0.2 Mi. Nw/O Beach Blvd.
RouteCity Street 0
Coordinates33.88604, -117.99784
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.1 US tons
Inventory rating21.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length75 ft (22.9 m)
Longest span37 ft (11.3 m)
Deck width91 ft (27.7 m)
Roadway width70 ft (21.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,000 (2017)
Projected traffic50,963 by 2040
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 LA Mirada Blvd. over Coyote Creek Channel built?

It was built in 1950, making it 75 years old in 2025.

What condition is LA Mirada Blvd. over Coyote Creek 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 May 2023.

How much traffic does LA Mirada Blvd. over Coyote Creek Channel carry?

About 24,000 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is LA Mirada Blvd. over Coyote Creek Channel?

The structure is 75 ft (22.9 m) long with a longest span of 37 ft (11.3 m) and a deck 91 ft wide.

Who owns LA Mirada Blvd. over Coyote Creek Channel?

It is owned by the City or Municipal Highway Agency.