US Bridges

Ridgegrove DR over Haskell Cyn Chan

Good

Los Angeles County, California · 0.4MI N/O Bouquet Cyn RD · Structure no. 53C1681

Built
1979
46 years old
Condition
Good
inspected January 2022
Type
Tee Beam
Concrete
Length
55 ft
1 main span
Daily traffic
5,459
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ridgegrove DR over Haskell Cyn Chan is a concrete tee beam carrying Ridgegrove DR over Haskell Cyn Chan in Los Angeles County, California. It was built in 1979, so it is 46 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 5,459 vehicles a day, roughly 1% of them trucks, projected to reach 6,278 by 2042. The structure is 55 ft (16.9 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRidgegrove DR
CrossesHaskell Cyn Chan
Location0.4MI N/O Bouquet Cyn RD
RouteCity Street 0
Coordinates34.44778, -118.51197
Functional classUrban Local

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.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJanuary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.8 US tons
Inventory rating37.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length55 ft (16.9 m)
Longest span51 ft (15.5 m)
Deck width53 ft (16.2 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,459 (2014)
Projected traffic6,278 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Ridgegrove DR over Haskell Cyn Chan built?

It was built in 1979, making it 46 years old in 2025.

What condition is Ridgegrove DR over Haskell Cyn Chan 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 January 2022.

How much traffic does Ridgegrove DR over Haskell Cyn Chan carry?

About 5,459 vehicles per day (2014 count), of which roughly 1% are trucks.

How long is Ridgegrove DR over Haskell Cyn Chan?

The structure is 55 ft (16.9 m) long with a longest span of 51 ft (15.5 m) and a deck 53 ft wide.

Who owns Ridgegrove DR over Haskell Cyn Chan?

It is owned by the City or Municipal Highway Agency.