Structure 53 1717H · Los Angeles County, CA

E&w60-n710 Connctr over RTE 60/710 Ramp 3streets

Carries E&w60-n710 Connctr over RTE 60/710 Ramp 3streets, 07-la-060-r3.26.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT2,746 FT OVERALL500 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 5/9 · sets the ratingSubstructure 7/9

2,746 ft end to end, longest span 122 ft: about 7.6 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 box-beam bridge.

Built196759 years old
Length2746.1 ft837 m
Daily traffic13,800counted 2017
Last inspectedMarch 2023every 24 months

Location

StateCalifornia
CountyLos Angeles
Location07-la-060-r3.26
CarriesE&w60-n710 Connctr
CrossesRTE 60/710 Ramp 3streets
Coordinates34.03505, -118.17113

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length2746.1 ft (837 m)
Max Span122.0 ft (37.2 m)
Deck Width38.4 ft (11.7 m)
Deck Area9792.9 sq m
Main Spans27
Year Built1967

Traffic

Avg Daily Traffic13,800 (2017)
Truck Traffic7%
Lanes On Bridge2
Lanes Under Bridge33

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number53 1717H

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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