Structure 53C1057 · Los Angeles County, CA

Channel Lane over Santa Monica Cyn Channel

Carries Channel Lane over Santa Monica Cyn Channel, 0.1 N/o Entrada DR.

Overall conditionFair

Set by its lowest-rated component: Substructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT33 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

33 ft end to end. 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 or the layout of the shorter spans, so those are drawn as typical for a slab bridge.

Built194086 years old
Length32.8 ft10 m
Daily traffic135counted 2016
Last inspectedSeptember 2024every 24 months

Location

StateCalifornia
CountyLos Angeles
Location0.1 N/o Entrada DR
CarriesChannel Lane
CrossesSanta Monica Cyn Channel
Coordinates34.02974, -118.51618

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length32.8 ft (10 m)
Max Span29.9 ft (9.1 m)
Deck Width24.3 ft (7.4 m)
Deck Area74 sq m
Main Spans1
Year Built1940

Traffic

Avg Daily Traffic135 (2016)
Truck Traffic1%
Lanes On Bridge1

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number53C1057

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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