US Bridges

Tupelo Ridge DR over Dry Cyn Chan

Good

Los Angeles County, California · 1.8MI N/O Bouquet Cn RD · Structure no. 53C1586

Built
1979
46 years old
Condition
Good
inspected December 2023
Type
Tee Beam
Concrete
Length
43 ft
1 main span
Daily traffic
1,437
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Tupelo Ridge DR over Dry Cyn Chan is a concrete tee beam carrying Tupelo Ridge DR over Dry 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 1,437 vehicles a day, roughly 1% of them trucks, projected to reach 1,724 by 2043. The structure is 43 ft (13.1 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTupelo Ridge DR
CrossesDry Cyn Chan
Location1.8MI N/O Bouquet Cn RD
RouteCity Street 0
Coordinates34.45654, -118.5361
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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating31.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span41 ft (12.5 m)
Deck width52 ft (15.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,437 (2022)
Projected traffic1,724 by 2043
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 Tupelo Ridge DR over Dry Cyn Chan built?

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

What condition is Tupelo Ridge DR over Dry 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 December 2023.

How much traffic does Tupelo Ridge DR over Dry Cyn Chan carry?

About 1,437 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Tupelo Ridge DR over Dry Cyn Chan?

The structure is 43 ft (13.1 m) long with a longest span of 41 ft (12.5 m) and a deck 52 ft wide.

Who owns Tupelo Ridge DR over Dry Cyn Chan?

It is owned by the City or Municipal Highway Agency.