US Bridges

WB 60 Alt Lanes over Brea Canyon RD & Ramp

Good

Los Angeles County, California · 07-LA-060-R22.97-DMBR · Structure no. 53 2917

Built
2007
18 years old
Condition
Good
inspected February 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
1,497 ft
10 main spans
Daily traffic
2,000
2015 count
Owner
State
State Highway Agency

About this bridge

WB 60 Alt Lanes over Brea Canyon RD & Ramp is a prestressed concrete continuous box beam or girders - multiple carrying WB 60 Alt Lanes over Brea Canyon RD & Ramp in Los Angeles County, California. It was built in 2007, so it is 18 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 2,000 vehicles a day, roughly 10% of them trucks, projected to reach 2,291 by 2047. The structure is 1,497 ft (456.2 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWB 60 Alt Lanes
CrossesBrea Canyon RD & Ramp
Location07-LA-060-R22.97-DMBR
RouteState Highway 60
Coordinates34.00084, -117.84534
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 inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
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

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadHS 20 + Mod
Structure length1,497 ft (456.2 m)
Longest span159 ft (48.4 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2015)
Projected traffic2,291 by 2047
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free 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 WB 60 Alt Lanes over Brea Canyon RD & Ramp built?

It was built in 2007, making it 18 years old in 2025.

What condition is WB 60 Alt Lanes over Brea Canyon RD & Ramp 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 February 2025.

How much traffic does WB 60 Alt Lanes over Brea Canyon RD & Ramp carry?

About 2,000 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is WB 60 Alt Lanes over Brea Canyon RD & Ramp?

The structure is 1,497 ft (456.2 m) long with a longest span of 159 ft (48.4 m) and a deck 46 ft wide.

Who owns WB 60 Alt Lanes over Brea Canyon RD & Ramp?

It is owned by the State Highway Agency.