Structure 53 1338L · Los Angeles County, CA

US Highway 101 SB over Tujunga AVE

Carries US Highway 101 SB over Tujunga AVE, 07-la-101-11.83l-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
CAR · 15 FT103 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

103 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.

Built1959rebuilt 2011
Length103.0 ft31.4 m
Daily traffic118,000counted 2021
Last inspectedMarch 2024every 48 months

Location

StateCalifornia
CountyLos Angeles
Location07-la-101-11.83l-la
CarriesUS Highway 101 SB
CrossesTujunga AVE
Coordinates34.15395, -118.37889

Physical Characteristics

MaterialConcrete
DesignBox Beam - Multiple
Total Length103.0 ft (31.4 m)
Max Span92.8 ft (28.3 m)
Deck Width98.4 ft (30 m)
Deck Area942 sq m
Main Spans1
Year Built1959 (reconstructed 2011)

Traffic

Avg Daily Traffic118,000 (2021)
Truck Traffic10%
Lanes On Bridge6
Lanes Under Bridge4

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number53 1338L

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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