Structure 57 0464L · San Diego County, CA

Interstate 5 SB over 19th Street

Carries Interstate 5 SB over 19th Street, 11-sd-005-r10.39-natc.

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, longest span 47 ft. 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.

Built1965rebuilt 2006
Length130.9 ft39.9 m
Daily traffic82,000counted 2020
Last inspectedApril 2023every 24 months

Location

StateCalifornia
CountySan Diego
Location11-sd-005-r10.39-natc
CarriesInterstate 5 SB
Crosses19th Street
Coordinates32.66460, -117.10993

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length130.9 ft (39.9 m)
Max Span46.9 ft (14.3 m)
Deck Width80.1 ft (24.4 m)
Deck Area973.6 sq m
Main Spans3
Year Built1965 (reconstructed 2006)

Traffic

Avg Daily Traffic82,000 (2020)
Truck Traffic5%
Lanes On Bridge5
Lanes Under Bridge2

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number57 0464L

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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