US Bridges

S73-N&S133 over Wildlife Pathway

Fair

Orange County, California · 12-ORA-073-16.95-LGNB · Structure no. 55 0894K

Built
1996
29 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
79 ft
1 main span
Daily traffic
1,701
2020 count
Owner
State
State Highway Agency

About this bridge

S73-N&S133 over Wildlife Pathway is a prestressed concrete box beam or girders - multiple carrying S73-N&S133 over Wildlife Pathway 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 1,701 vehicles a day, roughly 1% of them trucks, projected to reach 2,041 by 2040. The structure is 79 ft (24 m) long and 39 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesS73-N&S133
CrossesWildlife Pathway
Location12-ORA-073-16.95-LGNB
RouteState Highway 73
CountyOrange County
StateCalifornia
Coordinates33.59201, -117.76138
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating33.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length79 ft (24 m)
Longest span75 ft (23 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,701 (2020)
Projected traffic2,041 by 2040
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
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 S73-N&S133 over Wildlife Pathway built?

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

What condition is S73-N&S133 over Wildlife Pathway 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 August 2023.

How much traffic does S73-N&S133 over Wildlife Pathway carry?

About 1,701 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is S73-N&S133 over Wildlife Pathway?

The structure is 79 ft (24 m) long with a longest span of 75 ft (23 m) and a deck 39 ft wide.

Who owns S73-N&S133 over Wildlife Pathway?

It is owned by the State Highway Agency.