US Bridges

LA Paz RD-S73 Onrp over LA Paz Road

Good

Orange County, California · 12-ORA-073-13.40-LGNG · Structure no. 55 0752K

Built
1996
29 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
280 ft
3 main spans
Daily traffic
1,250
2020 count
Owner
State
State Highway Agency

About this bridge

LA Paz RD-S73 Onrp over LA Paz Road is a prestressed concrete continuous box beam or girders - multiple carrying LA Paz RD-S73 Onrp over LA Paz Road 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 1,250 vehicles a day, roughly 1% of them trucks, projected to reach 1,375 by 2040. The structure is 280 ft (85.3 m) long and 40 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesLA Paz RD-S73 Onrp
CrossesLA Paz Road
Location12-ORA-073-13.40-LGNG
RouteState Highway 73
Coordinates33.57321, -117.70627
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.
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length280 ft (85.3 m)
Longest span150 ft (45.7 m)
Deck width40 ft (12.3 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,250 (2020)
Projected traffic1,375 by 2040
Trucks1%
Lanes on structure2
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 LA Paz RD-S73 Onrp over LA Paz Road built?

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

What condition is LA Paz RD-S73 Onrp over LA Paz Road 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 November 2023.

How much traffic does LA Paz RD-S73 Onrp over LA Paz Road carry?

About 1,250 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is LA Paz RD-S73 Onrp over LA Paz Road?

The structure is 280 ft (85.3 m) long with a longest span of 150 ft (45.7 m) and a deck 40 ft wide.

Who owns LA Paz RD-S73 Onrp over LA Paz Road?

It is owned by the State Highway Agency.