Structure 53 3019S · Los Angeles County, CA

NB 5 Offramp over Graded Earth

Carries NB 5 Offramp over Graded Earth, 07-la-005-2.37-nrw.

Overall conditionGood

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

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

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT200 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

200 ft end to end, longest span 82 ft: about 3 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 box-beam bridge.

Built201610 years old
Length200.1 ft61 m
Daily traffic6,390counted 2016
Last inspectedOctober 2022every 48 months

Location

StateCalifornia
CountyLos Angeles
Location07-la-005-2.37-nrw
CarriesNB 5 Offramp
CrossesGraded Earth
Coordinates33.89380, -118.04582

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length200.1 ft (61 m)
Max Span82.0 ft (25 m)
Deck Width52.2 ft (15.9 m)
Deck Area969.9 sq m
Main Spans3
Year Built2016

Traffic

Avg Daily Traffic6,390 (2016)
Truck Traffic5%
Lanes On Bridge3

Inspection & Ownership

Last InspectionOctober 2022
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number53 3019S

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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