US Bridges

State Route 57 over LA Palma Ave

Fair

Orange County, California · 12-ORA-057-15.41-ANA · Structure no. 55 0470

Built
1974
51 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
167 ft
2 main spans
Daily traffic
229,000
2020 count
Owner
State
State Highway Agency

About this bridge

State Route 57 over LA Palma Ave is a concrete continuous box beam or girders - multiple carrying State Route 57 over LA Palma Ave in Orange County, California. It was built in 1974, so it is 51 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 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 229,000 vehicles a day, roughly 8% of them trucks, projected to reach 265,000 by 2041. The structure is 167 ft (50.9 m) long and 167 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesState Route 57
CrossesLA Palma Ave
Location12-ORA-057-15.41-ANA
RouteState Highway 57
Coordinates33.84706, -117.87578
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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating53.9 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length167 ft (50.9 m)
Longest span83 ft (25.3 m)
Deck width167 ft (50.9 m)
Roadway width155 ft (47.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic229,000 (2020)
Projected traffic265,000 by 2041
Trucks8%
Lanes on structure11
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 LA Palma Ave built?

It was built in 1974, making it 51 years old in 2025.

What condition is State Route 57 over LA Palma 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 May 2024.

How much traffic does State Route 57 over LA Palma Ave carry?

About 229,000 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is State Route 57 over LA Palma Ave?

The structure is 167 ft (50.9 m) long with a longest span of 83 ft (25.3 m) and a deck 167 ft wide.

Who owns State Route 57 over LA Palma Ave?

It is owned by the State Highway Agency.