US Bridges

Clark Ave over Bouton Crk

Fair

Los Angeles County, California · 0.1MI S/O Atherton ST · Structure no. 53C0237

Built
1959
66 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
18,550
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

Clark Ave over Bouton Crk is a concrete culvert carrying Clark Ave over Bouton Crk in Los Angeles County, California. It was built in 1959, so it is 66 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 18,550 vehicles a day, roughly 1% of them trucks, projected to reach 22,260 by 2044. The structure is 34 ft (10.5 m) long and 58 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesClark Ave
CrossesBouton Crk
Location0.1MI S/O Atherton ST
RouteCity Street 0L066
CountyLos Angeles County
StateCalifornia
Coordinates33.78834, -118.13397
Functional classUrban Minor 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 protection9 ExcellentNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
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
DeckNot applicable
Main spans3
Design loadUnknown
Structure length34 ft (10.5 m)
Longest span11 ft (3.3 m)
Deck width58 ft (17.7 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,550 (2014)
Projected traffic22,260 by 2044
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 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 Clark Ave over Bouton Crk built?

It was built in 1959, making it 66 years old in 2025.

What condition is Clark Ave over Bouton Crk 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 September 2024.

How much traffic does Clark Ave over Bouton Crk carry?

About 18,550 vehicles per day (2014 count), of which roughly 1% are trucks.

How long is Clark Ave over Bouton Crk?

The structure is 34 ft (10.5 m) long with a longest span of 11 ft (3.3 m) and a deck 58 ft wide.

Who owns Clark Ave over Bouton Crk?

It is owned by the City or Municipal Highway Agency.