Structure 53C0424 · Los Angeles County, CA

Devonshire ST over Browns Canyon Wash

Carries Devonshire ST over Browns Canyon Wash, At Canoga AVE.

Overall conditionGood

Set by its lowest-rated component: Culvert at 7 of 9.

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT77 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 77 ft across with 3 openings. Lengths and the car on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights, so those are drawn as typical for a culvert.

Built197452 years old
Length77.1 ft23.5 m
Daily traffic33,672counted 2018
Last inspectedJuly 2022every 48 months

Location

StateCalifornia
CountyLos Angeles
LocationAt Canoga AVE
CarriesDevonshire ST
CrossesBrowns Canyon Wash
Coordinates34.25739, -118.59716

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length77.1 ft (23.5 m)
Max Span24.0 ft (7.3 m)
Deck Width107.9 ft (32.9 m)
Deck Area773.1 sq m
Main Spans3
Year Built1974

Traffic

Avg Daily Traffic33,672 (2018)
Truck Traffic3%
Lanes On Bridge7

Inspection & Ownership

Last InspectionJuly 2022
Inspection FrequencyEvery 48 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number53C0424

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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