Structure 870787 · Miami-Dade County, FL

Sub Sec.of Us1 B.l over Canal C-1-n

Carries Sub Sec.of Us1 B.l over Canal C-1-n, S Of SW 186th ST /bus Way.

Overall conditionFair

Set by its lowest-rated component: Substructure at 5 of 9.

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT39 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 5/9 · sets the rating

39 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.

Built199531 years old
Length38.7 ft11.8 m
Last inspectedJuly 2023every 24 months

Location

StateFlorida
CountyMiami-Dade
LocationS Of SW 186th ST /bus Way
CarriesSub Sec.of Us1 B.l
CrossesCanal C-1-n
Coordinates25.59267, -80.35824

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length38.7 ft (11.8 m)
Max Span38.7 ft (11.8 m)
Deck Width54.5 ft (16.6 m)
Deck Area195.9 sq m
Main Spans1
Year Built1995

Traffic

Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number870787

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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