US Bridges

State Route 133 NB over Interstate 5 & Connector

Fair

Orange County, California · 12-ORA-133-9.53-IRVN · Structure no. 55 0772R

Built
1996
29 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
815 ft
5 main spans
Daily traffic
42,600
2019 count
Owner
State
State Highway Agency

About this bridge

State Route 133 NB over Interstate 5 & Connector is a prestressed concrete continuous box beam or girders - multiple carrying State Route 133 NB over Interstate 5 & Connector 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 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 42,600 vehicles a day, projected to reach 53,840 by 2047. The structure is 815 ft (248.4 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesState Route 133 NB
CrossesInterstate 5 & Connector
Location12-ORA-133-9.53-IRVN
RouteState Highway 133
CountyOrange County
StateCalifornia
Coordinates33.66644, -117.75299
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.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to 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 spans5
Design loadHS 20 + Mod
Structure length815 ft (248.4 m)
Longest span198 ft (60.4 m)
Deck width43 ft (13 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,600 (2019)
Projected traffic53,840 by 2047
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 State Route 133 NB over Interstate 5 & Connector built?

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

What condition is State Route 133 NB over Interstate 5 & Connector 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 State Route 133 NB over Interstate 5 & Connector carry?

About 42,600 vehicles per day (2019 count).

How long is State Route 133 NB over Interstate 5 & Connector?

The structure is 815 ft (248.4 m) long with a longest span of 198 ft (60.4 m) and a deck 43 ft wide.

Who owns State Route 133 NB over Interstate 5 & Connector?

It is owned by the State Highway Agency.