Structure 53 1060 · Los Angeles County, CA

U.s. Highway 101 over Corbin AVE

Carries U.s. Highway 101 over Corbin AVE, 07-la-101-22.75-la.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT91 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 5/9 · sets the ratingSubstructure 7/9

91 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 slab bridge.

Built195967 years old
Length90.9 ft27.7 m
Daily traffic285,000counted 2018
Last inspectedApril 2024every 24 months

Location

StateCalifornia
CountyLos Angeles
Location07-la-101-22.75-la
CarriesU.s. Highway 101
CrossesCorbin AVE
Coordinates34.17362, -118.56206

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length90.9 ft (27.7 m)
Max Span87.9 ft (26.8 m)
Deck Width139.4 ft (42.5 m)
Deck Area1177.2 sq m
Main Spans1
Year Built1959

Traffic

Avg Daily Traffic285,000 (2018)
Truck Traffic10%
Lanes On Bridge10
Lanes Under Bridge3

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number53 1060

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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