US Bridges

N133-N5 Connector over Interstate 5

Fair

Orange County, California · 12-ORA-133-M9.48-IRVN · Structure no. 55 0659G

Built
1991
34 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
593 ft
3 main spans
Daily traffic
8,072
2018 count
Owner
State
State Highway Agency

About this bridge

N133-N5 Connector over Interstate 5 is a prestressed concrete continuous box beam or girders - multiple carrying N133-N5 Connector over Interstate 5 in Orange County, California. It was built in 1991, so it is 34 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 5 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 8,072 vehicles a day, roughly 3% of them trucks, projected to reach 9,763 by 2043. The structure is 593 ft (180.7 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesN133-N5 Connector
CrossesInterstate 5
Location12-ORA-133-M9.48-IRVN
RouteState Highway 133
CountyOrange County
StateCalifornia
Coordinates33.6659, -117.75252
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 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

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length593 ft (180.7 m)
Longest span245 ft (74.7 m)
Deck width43 ft (13 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,072 (2018)
Projected traffic9,763 by 2043
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 N133-N5 Connector over Interstate 5 built?

It was built in 1991, making it 34 years old in 2025.

What condition is N133-N5 Connector over Interstate 5 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 N133-N5 Connector over Interstate 5 carry?

About 8,072 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is N133-N5 Connector over Interstate 5?

The structure is 593 ft (180.7 m) long with a longest span of 245 ft (74.7 m) and a deck 43 ft wide.

Who owns N133-N5 Connector over Interstate 5?

It is owned by the State Highway Agency.