US Bridges

State Route 241 over Trabuco Creek

Fair

Orange County, California · 12-ORA-241-18.70-RSM · Structure no. 55 0700R

Built
1995
30 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
1,425 ft
8 main spans
Daily traffic
9,150
2014 count
Owner
State
State Highway Agency

About this bridge

State Route 241 over Trabuco Creek is a prestressed concrete continuous box beam or girders - multiple carrying State Route 241 over Trabuco Creek in Orange County, California. It was built in 1995, so it is 30 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 9,150 vehicles a day, roughly 6% of them trucks, projected to reach 23,464 by 2046. The structure is 1,425 ft (434.3 m) long and 110 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 241
CrossesTrabuco Creek
Location12-ORA-241-18.70-RSM
RouteState Highway 241
Coordinates33.64526, -117.60477
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable 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 spans8
Design loadHS 20 + Mod
Structure length1,425 ft (434.3 m)
Longest span185 ft (56.3 m)
Deck width110 ft (33.5 m)
Roadway width94 ft (28.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,150 (2014)
Projected traffic23,464 by 2046
Trucks6%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 241 over Trabuco Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is State Route 241 over Trabuco Creek 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 November 2024.

How much traffic does State Route 241 over Trabuco Creek carry?

About 9,150 vehicles per day (2014 count), of which roughly 6% are trucks.

How long is State Route 241 over Trabuco Creek?

The structure is 1,425 ft (434.3 m) long with a longest span of 185 ft (56.3 m) and a deck 110 ft wide.

Who owns State Route 241 over Trabuco Creek?

It is owned by the State Highway Agency.