Structure 57 0285L · San Diego County, CA

State Route 94 WB over Interstate 15

Carries State Route 94 WB over Interstate 15, 11-sd-094-3.17-sd.

Overall conditionGood

Set by its lowest-rated component: Deck at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructure8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT184 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 8/9

184 ft end to end, longest span 55 ft: about 3 semi-trucks nose to tail. 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.

Built1959rebuilt 1996
Length184.1 ft56.1 m
Daily traffic74,000counted 2016
Last inspectedOctober 2024every 48 months

Location

StateCalifornia
CountySan Diego
Location11-sd-094-3.17-sd
CarriesState Route 94 WB
CrossesInterstate 15
Coordinates32.71719, -117.11790

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length184.1 ft (56.1 m)
Max Span55.1 ft (16.8 m)
Deck Width84.6 ft (25.8 m)
Deck Area1447.4 sq m
Main Spans4
Year Built1959 (reconstructed 1996)

Traffic

Avg Daily Traffic74,000 (2016)
Truck Traffic4%
Lanes On Bridge5
Lanes Under Bridge5

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number57 0285L

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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