US Bridges

Laurel Canyon Blvd over Branford Street Channel

Fair

Los Angeles County, California · Wentworth Avenue · Structure no. 53C1230

Built
1957
68 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
25 ft
1 main span
Daily traffic
21,521
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Laurel Canyon Blvd over Branford Street Channel is a concrete culvert carrying Laurel Canyon Blvd over Branford Street Channel in Los Angeles County, California. It was built in 1957, so it is 68 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 6 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 21,521 vehicles a day, roughly 1% of them trucks, projected to reach 27,309 by 2041. The structure is 25 ft (7.6 m) long and 96 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLaurel Canyon Blvd
CrossesBranford Street Channel
LocationWentworth Avenue
RouteCity Street 0
Coordinates34.23813, -118.41
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length25 ft (7.6 m)
Longest span23 ft (6.9 m)
Deck width96 ft (29.3 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,521 (2020)
Projected traffic27,309 by 2041
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 Laurel Canyon Blvd over Branford Street Channel built?

It was built in 1957, making it 68 years old in 2025.

What condition is Laurel Canyon Blvd over Branford Street Channel 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 August 2023.

How much traffic does Laurel Canyon Blvd over Branford Street Channel carry?

About 21,521 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is Laurel Canyon Blvd over Branford Street Channel?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (6.9 m) and a deck 96 ft wide.

Who owns Laurel Canyon Blvd over Branford Street Channel?

It is owned by the City or Municipal Highway Agency.