US Bridges

SR 133 SB over BNSF RY AMTRAK Metrolink

Fair

Orange County, California · 12-ORA-133-9.77-IRVN · Structure no. 55 0773L

Built
1998
27 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
465 ft
2 main spans
Daily traffic
35,000
2019 count
Owner
State
State Highway Agency

About this bridge

SR 133 SB over BNSF RY AMTRAK Metrolink is a prestressed concrete continuous box beam or girders - multiple carrying SR 133 SB over BNSF RY AMTRAK Metrolink 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 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 35,000 vehicles a day, projected to reach 46,061 by 2047. The structure is 465 ft (141.7 m) long and 62 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

Open in Google Maps
CarriesSR 133 SB
CrossesBNSF RY AMTRAK Metrolink
Location12-ORA-133-9.77-IRVN
RouteState Highway 133
CountyOrange County
StateCalifornia
Coordinates33.67077, -117.75351
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 geometry3: Basically intolerable, requiring high priority of corrective action
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 spans2
Design loadHS 20 + Mod
Structure length465 ft (141.7 m)
Longest span224 ft (68.4 m)
Deck width62 ft (18.9 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,000 (2019)
Projected traffic46,061 by 2047
Trucks0%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed7.5 mi (12 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 SR 133 SB over BNSF RY AMTRAK Metrolink built?

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

What condition is SR 133 SB over BNSF RY AMTRAK Metrolink 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 SR 133 SB over BNSF RY AMTRAK Metrolink carry?

About 35,000 vehicles per day (2019 count).

How long is SR 133 SB over BNSF RY AMTRAK Metrolink?

The structure is 465 ft (141.7 m) long with a longest span of 224 ft (68.4 m) and a deck 62 ft wide.

Who owns SR 133 SB over BNSF RY AMTRAK Metrolink?

It is owned by the State Highway Agency.