US Bridges

State Route 57 over Placentia Ave

Fair

Orange County, California · 12-ORA-057-17.02-PLCN · Structure no. 55 0460

Built
1969
56 years old, rebuilt 2013
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
358 ft
4 main spans
Daily traffic
271,000
2020 count
Owner
State
State Highway Agency

About this bridge

State Route 57 over Placentia Ave is a concrete continuous box beam or girders - multiple carrying State Route 57 over Placentia Ave in Orange County, California. It was built in 1969 and reconstructed in 2013, so it is 56 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 271,000 vehicles a day, projected to reach 359,000 by 2041. The structure is 358 ft (109.1 m) long and 180 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesState Route 57
CrossesPlacentia Ave
Location12-ORA-057-17.02-PLCN
RouteState Highway 57
CountyOrange County
StateCalifornia
Coordinates33.87051, -117.87966
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 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 rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length358 ft (109.1 m)
Longest span107 ft (32.6 m)
Deck width180 ft (55 m)
Roadway width177 ft (54 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic271,000 (2020)
Projected traffic359,000 by 2041
Trucks0%
Lanes on structure13
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 State Route 57 over Placentia Ave built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2013.

What condition is State Route 57 over Placentia Ave 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 June 2024.

How much traffic does State Route 57 over Placentia Ave carry?

About 271,000 vehicles per day (2020 count).

How long is State Route 57 over Placentia Ave?

The structure is 358 ft (109.1 m) long with a longest span of 107 ft (32.6 m) and a deck 180 ft wide.

Who owns State Route 57 over Placentia Ave?

It is owned by the State Highway Agency.