Structure 53 2802F · Los Angeles County, CA

Sepulveda NB Off over Airport Access Road

Carries Sepulveda NB Off over Airport Access Road, 07-la-105-r0.53-la.

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 FT1,081 FT OVERALL200 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

1,081 ft end to end, longest span 151 ft: about 3.0 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.

Built1990rebuilt 2010
Length1080.7 ft329.4 m
Daily traffic28,118counted 2016
Last inspectedApril 2024every 24 months

Location

StateCalifornia
CountyLos Angeles
Location07-la-105-r0.53-la
CarriesSepulveda NB Off
CrossesAirport Access Road
Coordinates33.93230, -118.39578

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignBox Beam - Multiple
Total Length1080.7 ft (329.4 m)
Max Span151.2 ft (46.1 m)
Deck Width50.5 ft (15.4 m)
Deck Area5072.8 sq m
Main Spans8
Year Built1990 (reconstructed 2010)

Traffic

Avg Daily Traffic28,118 (2016)
Truck Traffic1%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is eligible for the National Register
Scour CriticalNot applicable
Structure Number53 2802F

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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