US Bridges

Alicia Parkway over State Route 73

Fair

Orange County, California · 12-ORA-073-13.77-LGNG · Structure no. 55 0753

Built
1996
29 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
260 ft
1 main span
Daily traffic
15,000
2020 count
Owner
State
State Highway Agency

About this bridge

Alicia Parkway over State Route 73 is a prestressed concrete box beam or girders - multiple carrying Alicia Parkway over State Route 73 in Orange County, California. It was built in 1996, so it is 29 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 6 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 15,000 vehicles a day, roughly 1% of them trucks, projected to reach 16,500 by 2040. The structure is 260 ft (79.2 m) long and 114 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesAlicia Parkway
CrossesState Route 73
Location12-ORA-073-13.77-LGNG
RouteCounty Highway 0M230
CountyOrange County
StateCalifornia
Coordinates33.57538, -117.71172
Functional classUrban Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
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 rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length260 ft (79.2 m)
Longest span257 ft (78.3 m)
Deck width114 ft (34.7 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (2020)
Projected traffic16,500 by 2040
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

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 Alicia Parkway over State Route 73 built?

It was built in 1996, making it 29 years old in 2025.

What condition is Alicia Parkway over State Route 73 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 November 2023.

How much traffic does Alicia Parkway over State Route 73 carry?

About 15,000 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Alicia Parkway over State Route 73?

The structure is 260 ft (79.2 m) long with a longest span of 257 ft (78.3 m) and a deck 114 ft wide.

Who owns Alicia Parkway over State Route 73?

It is owned by the State Highway Agency.