US Bridges

Apperson ST over Haines Canyon Channel

Good

Los Angeles County, California · Woodward Ave · Structure no. 53C1393

Built
1936
89 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
33 ft
1 main span
Daily traffic
5,202
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Apperson ST over Haines Canyon Channel is a concrete culvert carrying Apperson ST over Haines Canyon Channel in Los Angeles County, California. It was built in 1936, so it is 89 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 5,202 vehicles a day, roughly 1% of them trucks, projected to reach 6,240 by 2046. The structure is 33 ft (10.1 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesApperson ST
CrossesHaines Canyon Channel
LocationWoodward Ave
RouteCity Street 0
Coordinates34.25588, -118.30694
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span29 ft (8.8 m)
Deck width56 ft (17.2 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,202 (2016)
Projected traffic6,240 by 2046
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 SystemYes

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 Apperson ST over Haines Canyon Channel built?

It was built in 1936, making it 89 years old in 2025.

What condition is Apperson ST over Haines Canyon Channel 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 2024.

How much traffic does Apperson ST over Haines Canyon Channel carry?

About 5,202 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is Apperson ST over Haines Canyon Channel?

The structure is 33 ft (10.1 m) long with a longest span of 29 ft (8.8 m) and a deck 56 ft wide.

Who owns Apperson ST over Haines Canyon Channel?

It is owned by the City or Municipal Highway Agency.