Structure 53 1155 · Los Angeles County, CA

Route 710 NB over Floral Drive

Carries Route 710 NB over Floral Drive, 07-la-710-25.21-la.

Overall conditionFair

Set by its lowest-rated component: Substructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT65 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

65 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.

Built1960rebuilt 1967
Length65.0 ft19.8 m
Daily traffic127,000counted 2017
Last inspectedAugust 2024every 24 months

Location

StateCalifornia
CountyLos Angeles
Location07-la-710-25.21-la
CarriesRoute 710 NB
CrossesFloral Drive
Coordinates34.04412, -118.16977

Physical Characteristics

MaterialConcrete
DesignBox Beam - Multiple
Total Length65.0 ft (19.8 m)
Max Span61.0 ft (18.6 m)
Deck Width194.6 ft (59.3 m)
Deck Area1174.1 sq m
Main Spans1
Year Built1960 (reconstructed 1967)

Traffic

Avg Daily Traffic127,000 (2017)
Truck Traffic5%
Lanes On Bridge5
Lanes Under Bridge2

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number53 1155

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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