US Bridges

Alton PKWY-N241 on over Towne Centre DR

Good

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

Built
1993
32 years old
Condition
Good
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
162 ft
1 main span
Daily traffic
2,610
2014 count
Owner
State
State Highway Agency

About this bridge

Alton PKWY-N241 on over Towne Centre DR is a prestressed concrete box beam or girders - multiple carrying Alton PKWY-N241 on 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,610 vehicles a day, roughly 3% of them trucks, projected to reach 2,988 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).

CarriesAlton PKWY-N241 on
CrossesTowne Centre DR
Location12-ORA-241-23.62-LKFR
RouteState Highway 241
Coordinates33.68218, -117.67423
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
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 traffic2,610 (2014)
Projected traffic2,988 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 Alton PKWY-N241 on over Towne Centre DR built?

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

What condition is Alton PKWY-N241 on over Towne Centre DR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does Alton PKWY-N241 on over Towne Centre DR carry?

About 2,610 vehicles per day (2014 count), of which roughly 3% are trucks.

How long is Alton PKWY-N241 on 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 Alton PKWY-N241 on over Towne Centre DR?

It is owned by the State Highway Agency.