Structure 53C0660 · Los Angeles County, CA

Dalewood ST over Big Dalton Wash

Carries Dalewood ST over Big Dalton Wash, 0.5mi W/o Puente AVE.

Overall conditionFair

Set by its lowest-rated component: Substructure at 5 of 9.

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating5/9 · Fair
Channelnot part of overall9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT119 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 5/9 · sets the rating

119 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 box-beam bridge.

Built195670 years old
Length118.8 ft36.2 m
Daily traffic15,347counted 2017
Last inspectedJuly 2023every 24 months

Location

StateCalifornia
CountyLos Angeles
Location0.5mi W/o Puente AVE
CarriesDalewood ST
CrossesBig Dalton Wash
Coordinates34.06876, -117.96999

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length118.8 ft (36.2 m)
Max Span115.2 ft (35.1 m)
Deck Width34.8 ft (10.6 m)
Deck Area383.7 sq m
Main Spans1
Year Built1956

Traffic

Avg Daily Traffic15,347 (2017)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number53C0660

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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