US Bridges

SR133 NB over Marine Way

Fair

Orange County, California · 12-ORA-133-10.05-IRVN · Structure no. 55 0774R

Built
1997
28 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
285 ft
2 main spans
Daily traffic
42,600
2019 count
Owner
State
State Highway Agency

About this bridge

SR133 NB over Marine Way is a prestressed concrete continuous box beam or girders - multiple carrying SR133 NB over Marine Way in Orange County, California. It was built in 1997, so it is 28 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 285 ft (86.9 m) long and 43 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR133 NB
CrossesMarine Way
Location12-ORA-133-10.05-IRVN
RouteState Highway 133
Coordinates33.6743, -117.75309
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

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length285 ft (86.9 m)
Longest span150 ft (45.7 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 closed5 mi (8 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 SR133 NB over Marine Way built?

It was built in 1997, making it 28 years old in 2025.

What condition is SR133 NB over Marine Way 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 SR133 NB over Marine Way carry?

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

How long is SR133 NB over Marine Way?

The structure is 285 ft (86.9 m) long with a longest span of 150 ft (45.7 m) and a deck 43 ft wide.

Who owns SR133 NB over Marine Way?

It is owned by the State Highway Agency.