US Bridges

State Route 60 over Old Brea Cyn RD

Fair

Los Angeles County, California · 07-LA-060-R22.97-DMBR · Structure no. 53 1845

Built
1970
55 years old
Condition
Fair
inspected February 2025
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
154 ft
2 main spans
Daily traffic
208,000
2015 count
Owner
State
State Highway Agency

About this bridge

State Route 60 over Old Brea Cyn RD is a concrete continuous box beam or girders - multiple carrying State Route 60 over Old Brea Cyn RD in Los Angeles County, California. It was built in 1970, so it is 55 years old, older 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 208,000 vehicles a day, roughly 10% of them trucks, projected to reach 232,012 by 2047. The structure is 154 ft (46.9 m) long and 164 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 60
CrossesOld Brea Cyn RD
Location07-LA-060-R22.97-DMBR
RouteState Highway 60
Coordinates34.00038, -117.84495
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.
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 alignment9: Superior to present desirable criteria
Operating rating71.4 US tons
Inventory rating51.8 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length154 ft (46.9 m)
Longest span76 ft (23.2 m)
Deck width164 ft (49.9 m)
Roadway width160 ft (48.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic208,000 (2015)
Projected traffic232,012 by 2047
Trucks10%
Lanes on structure10
Traffic directionTwo-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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was State Route 60 over Old Brea Cyn RD built?

It was built in 1970, making it 55 years old in 2025.

What condition is State Route 60 over Old Brea Cyn RD 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 February 2025.

How much traffic does State Route 60 over Old Brea Cyn RD carry?

About 208,000 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is State Route 60 over Old Brea Cyn RD?

The structure is 154 ft (46.9 m) long with a longest span of 76 ft (23.2 m) and a deck 164 ft wide.

Who owns State Route 60 over Old Brea Cyn RD?

It is owned by the State Highway Agency.