Structure 53 3018K · Los Angeles County, CA

SB 5 Offramp over Graded Earth

Carries SB 5 Offramp over Graded Earth, 07-la-005-r2.45-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 FT380 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

380 ft end to end, longest span 108 ft: about 5 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
Length379.6 ft115.7 m
Daily traffic9,870counted 2024
Last inspectedSeptember 2024every 48 months

Location

StateCalifornia
CountyLos Angeles
Location07-la-005-r2.45-nrw
CarriesSB 5 Offramp
CrossesGraded Earth
Coordinates33.89360, -118.04751

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length379.6 ft (115.7 m)
Max Span107.9 ft (32.9 m)
Deck Width40.4 ft (12.3 m)
Deck Area1423.1 sq m
Main Spans4
Year Built2016

Traffic

Avg Daily Traffic9,870 (2024)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number53 3018K

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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