US Bridges

S133-N5 Connector over Ramps & Local Streets

Fair

Orange County, California · 12-ORA-133-10.30-IRVN · Structure no. 55 0776F

Built
1998
27 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
2,087 ft
13 main spans
Daily traffic
8,625
2015 count
Owner
State
State Highway Agency

About this bridge

S133-N5 Connector over Ramps & Local Streets is a prestressed concrete continuous box beam or girders - multiple carrying S133-N5 Connector over Ramps & Local Streets in Orange County, California. It was built in 1998, so it is 27 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 8,625 vehicles a day, roughly 4% of them trucks, projected to reach 9,189 by 2043. The structure is 2,087 ft (636.1 m) long and 37 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

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CarriesS133-N5 Connector
CrossesRamps & Local Streets
Location12-ORA-133-10.30-IRVN
RouteState Highway 133
CountyOrange County
StateCalifornia
Coordinates33.67722, -117.75412
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
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 rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans13
Design loadHS 20 + Mod
Structure length2,087 ft (636.1 m)
Longest span186 ft (56.7 m)
Deck width37 ft (11.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,625 (2015)
Projected traffic9,189 by 2043
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed2.5 mi (4 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 S133-N5 Connector over Ramps & Local Streets built?

It was built in 1998, making it 27 years old in 2025.

What condition is S133-N5 Connector over Ramps & Local Streets 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 January 2025.

How much traffic does S133-N5 Connector over Ramps & Local Streets carry?

About 8,625 vehicles per day (2015 count), of which roughly 4% are trucks.

How long is S133-N5 Connector over Ramps & Local Streets?

The structure is 2,087 ft (636.1 m) long with a longest span of 186 ft (56.7 m) and a deck 37 ft wide.

Who owns S133-N5 Connector over Ramps & Local Streets?

It is owned by the State Highway Agency.