US Bridges

State Route 241 over Lake Forest Drive

Fair

Orange County, California · 12-ORA-241-22.50-LKFR · Structure no. 55 0706

Built
1993
32 years old, rebuilt 2003
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
172 ft
1 main span
Daily traffic
36,000
2014 count
Owner
State
State Highway Agency

About this bridge

State Route 241 over Lake Forest Drive is a prestressed concrete box beam or girders - multiple carrying State Route 241 over Lake Forest Drive in Orange County, California. It was built in 1993 and reconstructed in 2003, so it is 32 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 36,000 vehicles a day, projected to reach 95,692 by 2046. The structure is 172 ft (52.4 m) long and 183 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesState Route 241
CrossesLake Forest Drive
Location12-ORA-241-22.50-LKFR
RouteState Highway 241
CountyOrange County
StateCalifornia
Coordinates33.67196, -117.66035
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length172 ft (52.4 m)
Longest span170 ft (51.8 m)
Deck width183 ft (55.9 m)
Roadway width178 ft (54.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,000 (2014)
Projected traffic95,692 by 2046
Trucks0%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was State Route 241 over Lake Forest Drive built?

It was built in 1993, making it 32 years old in 2025. It was reconstructed in 2003.

What condition is State Route 241 over Lake Forest Drive 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 Lake Forest Drive carry?

About 36,000 vehicles per day (2014 count).

How long is State Route 241 over Lake Forest Drive?

The structure is 172 ft (52.4 m) long with a longest span of 170 ft (51.8 m) and a deck 183 ft wide.

Who owns State Route 241 over Lake Forest Drive?

It is owned by the State Highway Agency.