Structure 53 0955 · Los Angeles County, CA

Interstate 110 over Alondra BLVD

Carries Interstate 110 over Alondra BLVD, 07-la-110-10.74-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 FT131 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

131 ft end to end. 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.

Built1960rebuilt 1991
Length131.2 ft40 m
Daily traffic242,820counted 2022
Last inspectedApril 2024every 24 months

Location

StateCalifornia
CountyLos Angeles
Location07-la-110-10.74-la
CarriesInterstate 110
CrossesAlondra BLVD
Coordinates33.88526, -118.28511

Physical Characteristics

MaterialConcrete
DesignBox Beam - Multiple
Total Length131.2 ft (40 m)
Max Span104.0 ft (31.7 m)
Deck Width221.8 ft (67.6 m)
Deck Area2,704 sq m
Main Spans1
Year Built1960 (reconstructed 1991)

Traffic

Avg Daily Traffic242,820 (2022)
Truck Traffic6%
Lanes On Bridge13
Lanes Under Bridge4

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 0955

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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