Structure 53 2856L · Los Angeles County, CA

Lrt over Interstate 110 SB Lane

Carries Lrt over Interstate 110 SB Lane, 07-la-110-20.59-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 FT558 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

558 ft end to end, longest span 8 ft: about 1.5 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 slab bridge.

Built199630 years old
Length557.7 ft170 m
Daily traffic4,300counted 2020
Last inspectedOctober 2023every 48 months

Location

StateCalifornia
CountyLos Angeles
Location07-la-110-20.59-la
CarriesLrt
CrossesInterstate 110 SB Lane
Coordinates34.02603, -118.27566

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length557.7 ft (170 m)
Max Span7.9 ft (2.4 m)
Deck Width11.5 ft (3.5 m)
Deck Area595 sq m
Main Spans7
Year Built1996

Traffic

Avg Daily Traffic4,300 (2020)
Truck Traffic5%
Lanes On Bridge1
Lanes Under Bridge1

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number53 2856L

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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