US Bridges

SR 90 (imperial) over State Route 57

Fair

Orange County, California · 12-ORA-090-R5.43-BRE · Structure no. 55 0469

Built
1970
55 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
243 ft
2 main spans
Daily traffic
69,800
2020 count
Owner
State
State Highway Agency

About this bridge

SR 90 (imperial) over State Route 57 is a prestressed concrete continuous box beam or girders - single or spread carrying SR 90 (imperial) over State Route 57 in Orange County, California. It was built in 1970, so it is 55 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 69,800 vehicles a day, roughly 6% of them trucks, projected to reach 76,055 by 2040. The structure is 243 ft (74.1 m) long and 100 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 90 (imperial)
CrossesState Route 57
Location12-ORA-090-R5.43-BRE
RouteState Highway 90
CountyOrange County
StateCalifornia
Coordinates33.91066, -117.88397
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length243 ft (74.1 m)
Longest span122 ft (37.2 m)
Deck width100 ft (30.5 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic69,800 (2020)
Projected traffic76,055 by 2040
Trucks6%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 SR 90 (imperial) over State Route 57 built?

It was built in 1970, making it 55 years old in 2025.

What condition is SR 90 (imperial) over State Route 57 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 September 2023.

How much traffic does SR 90 (imperial) over State Route 57 carry?

About 69,800 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is SR 90 (imperial) over State Route 57?

The structure is 243 ft (74.1 m) long with a longest span of 122 ft (37.2 m) and a deck 100 ft wide.

Who owns SR 90 (imperial) over State Route 57?

It is owned by the State Highway Agency.