US Bridges

N73-LA Paz RD Off over Moulton Parkway

Good

Orange County, California · 12-ORA-073-12.91-LGNG · Structure no. 55 0750S

Built
1996
29 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
415 ft
3 main spans
Daily traffic
1,190
2020 count
Owner
State
State Highway Agency

About this bridge

N73-LA Paz RD Off over Moulton Parkway is a prestressed concrete continuous box beam or girders - multiple carrying N73-LA Paz RD Off over Moulton Parkway 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,190 vehicles a day, roughly 1% of them trucks, projected to reach 1,381 by 2041. The structure is 415 ft (126.5 m) long and 28 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesN73-LA Paz RD Off
CrossesMoulton Parkway
Location12-ORA-073-12.91-LGNG
RouteState Highway 73
CountyOrange County
StateCalifornia
Coordinates33.5691, -117.69956
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJuly 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 rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length415 ft (126.5 m)
Longest span225 ft (68.6 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,190 (2020)
Projected traffic1,381 by 2041
Trucks1%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed2.5 mi (4 km)
TollOn a toll 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 N73-LA Paz RD Off over Moulton Parkway built?

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

What condition is N73-LA Paz RD Off over Moulton Parkway in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does N73-LA Paz RD Off over Moulton Parkway carry?

About 1,190 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is N73-LA Paz RD Off over Moulton Parkway?

The structure is 415 ft (126.5 m) long with a longest span of 225 ft (68.6 m) and a deck 28 ft wide.

Who owns N73-LA Paz RD Off over Moulton Parkway?

It is owned by the State Highway Agency.