US Bridges

State Route 60 over Turnbull Cyn RD

Good

Los Angeles County, California · 07-LA-060-15.09 · Structure no. 53 1772

Built
1967
58 years old, rebuilt 2010
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
155 ft
3 main spans
Daily traffic
263,000
2017 count
Owner
State
State Highway Agency

About this bridge

State Route 60 over Turnbull Cyn RD is a concrete continuous box beam or girders - multiple carrying State Route 60 over Turnbull Cyn RD in Los Angeles County, California. It was built in 1967 and reconstructed in 2010, so it is 58 years old, older 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 263,000 vehicles a day, roughly 10% of them trucks, projected to reach 299,141 by 2046. The structure is 155 ft (47.1 m) long and 177 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesState Route 60
CrossesTurnbull Cyn RD
Location07-LA-060-15.09
RouteState Highway 60
Coordinates34.01099, -117.97842
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2024
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 rating41.1 US tons
Inventory rating31.4 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length155 ft (47.1 m)
Longest span84 ft (25.6 m)
Deck width177 ft (53.8 m)
Roadway width171 ft (52.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic263,000 (2017)
Projected traffic299,141 by 2046
Trucks10%
Lanes on structure11
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 Turnbull Cyn RD built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2010.

What condition is State Route 60 over Turnbull Cyn RD 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 August 2024.

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

About 263,000 vehicles per day (2017 count), of which roughly 10% are trucks.

How long is State Route 60 over Turnbull Cyn RD?

The structure is 155 ft (47.1 m) long with a longest span of 84 ft (25.6 m) and a deck 177 ft wide.

Who owns State Route 60 over Turnbull Cyn RD?

It is owned by the State Highway Agency.