Structure 53C0930 · Los Angeles County, CA

9th ST over 10st Rmp 10st Hrb Sc DR

Carries 9th ST over 10st Rmp 10st Hrb Sc DR, 0.5mi E/o Santa Fe AVE.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure6/9 · Satisfactory
Substructure8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT659 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 6/9Substructure 8/9

659 ft end to end, longest span 115 ft: about 1.8 football fields. 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 multi-beam bridge.

Built196066 years old
Length659.1 ft200.9 m
Daily traffic2,830counted 2015
Last inspectedNovember 2024every 24 months

Location

StateCalifornia
CountyLos Angeles
Location0.5mi E/o Santa Fe AVE
Carries9th ST
Crosses10st Rmp 10st Hrb Sc DR
Coordinates33.77900, -118.20924

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length659.1 ft (200.9 m)
Max Span115.2 ft (35.1 m)
Deck Width37.7 ft (11.5 m)
Deck Area2310.3 sq m
Main Spans8
Year Built1960

Traffic

Avg Daily Traffic2,830 (2015)
Truck Traffic1%
Lanes On Bridge1
Lanes Under Bridge6

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number53C0930

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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