US Bridges

S241-ALTON Pkw Off over Towne Centre DR

Fair

Orange County, California · 12-ORA-241-23.62-LKFR · Structure no. 55 0709K

Built
1993
32 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
162 ft
1 main span
Daily traffic
3,090
2014 count
Owner
State
State Highway Agency

About this bridge

S241-ALTON Pkw Off over Towne Centre DR is a prestressed concrete box beam or girders - multiple carrying S241-ALTON Pkw Off over Towne Centre DR in Orange County, California. It was built in 1993, 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 3,090 vehicles a day, roughly 3% of them trucks, projected to reach 3,538 by 2046. The structure is 162 ft (49.4 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS241-ALTON Pkw Off
CrossesTowne Centre DR
Location12-ORA-241-23.62-LKFR
RouteState Highway 241
Coordinates33.68177, -117.67499
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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length162 ft (49.4 m)
Longest span162 ft (49.4 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,090 (2014)
Projected traffic3,538 by 2046
Trucks3%
Lanes on structure1
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 S241-ALTON Pkw Off over Towne Centre DR built?

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

What condition is S241-ALTON Pkw Off over Towne Centre DR 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 S241-ALTON Pkw Off over Towne Centre DR carry?

About 3,090 vehicles per day (2014 count), of which roughly 3% are trucks.

How long is S241-ALTON Pkw Off over Towne Centre DR?

The structure is 162 ft (49.4 m) long with a longest span of 162 ft (49.4 m) and a deck 28 ft wide.

Who owns S241-ALTON Pkw Off over Towne Centre DR?

It is owned by the State Highway Agency.