Structure 53 1930L · Los Angeles County, CA

N57-w210 Connector over Lacmta & Bnsf Ry

Carries N57-w210 Connector over Lacmta & Bnsf Ry, 07-la-057-r12.18l-gdr.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructure8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT125 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 7/9 · sets the ratingSubstructure 8/9

125 ft end to end, longest span 41 ft. Lengths and the semi-truck 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 tee-beam bridge.

Built197056 years old
Length124.7 ft38 m
Daily traffic92,000counted 2017
Last inspectedSeptember 2024every 24 months

Location

StateCalifornia
CountyLos Angeles
Location07-la-057-r12.18l-gdr
CarriesN57-w210 Connector
CrossesLacmta & Bnsf Ry
Coordinates34.12177, -117.83169

Physical Characteristics

MaterialConcrete Continuous
DesignTee Beam
Total Length124.7 ft (38 m)
Max Span41.0 ft (12.5 m)
Deck Width41.0 ft (12.5 m)
Deck Area475 sq m
Main Spans3
Year Built1970

Traffic

Avg Daily Traffic92,000 (2017)
Truck Traffic7%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number53 1930L

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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