US Bridges

State Route 57 over Katella Ave

Fair

Orange County, California · 12-ORA-057-12.54-ANA · Structure no. 55 0401

Built
1974
51 years old, rebuilt 2015
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
198 ft
2 main spans
Daily traffic
229,000
2020 count
Owner
State
State Highway Agency

About this bridge

State Route 57 over Katella Ave is a concrete continuous box beam or girders - multiple carrying State Route 57 over Katella Ave in Orange County, California. It was built in 1974 and reconstructed in 2015, 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 198 ft (60.4 m) long and 184 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesState Route 57
CrossesKatella Ave
Location12-ORA-057-12.54-ANA
RouteState Highway 57
CountyOrange County
StateCalifornia
Coordinates33.80582, -117.87993
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 alignment7: Better than present minimum criteria
Operating rating110 US tons
Inventory rating79.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length198 ft (60.4 m)
Longest span98 ft (29.9 m)
Deck width184 ft (56.2 m)
Roadway width179 ft (54.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic229,000 (2020)
Projected traffic265,000 by 2041
Trucks8%
Lanes on structure13
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 Katella Ave built?

It was built in 1974, making it 51 years old in 2025. It was reconstructed in 2015.

What condition is State Route 57 over Katella 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 Katella Ave carry?

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

How long is State Route 57 over Katella Ave?

The structure is 198 ft (60.4 m) long with a longest span of 98 ft (29.9 m) and a deck 184 ft wide.

Who owns State Route 57 over Katella Ave?

It is owned by the State Highway Agency.