Structure 53C0252 · Los Angeles County, CA

Atlantic BLVD over Los Angeles Riv

Carries Atlantic BLVD over Los Angeles Riv, 0.6mi N/o Slauson AVE.

Overall conditionGood

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

How ratings work
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
Channelnot part of overall9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT464 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck not ratedSuperstructure 8/9Substructure 7/9 · sets the rating

464 ft end to end, longest span 60 ft: about 6 semi-trucks nose to tail. 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 deck arch.

Built193195 years old
Length463.9 ft141.4 m
Daily traffic58,397counted 2017
Last inspectedSeptember 2024every 24 months

Location

StateCalifornia
CountyLos Angeles
Location0.6mi N/o Slauson AVE
CarriesAtlantic BLVD
CrossesLos Angeles Riv
Coordinates33.99417, -118.18240

Physical Characteristics

MaterialConcrete Continuous
DesignArch - Deck
Total Length463.9 ft (141.4 m)
Max Span60.0 ft (18.3 m)
Deck Width71.5 ft (21.8 m)
Deck Area3082.5 sq m
Main Spans7
Year Built1931

Traffic

Avg Daily Traffic58,397 (2017)
Truck Traffic19%
Lanes On Bridge6

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 Number53C0252

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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