Structure 870411 · Miami-Dade County, FL

Sr821 NB Heft 22.2 over SW 60 ST Canal

Carries Sr821 NB Heft 22.2 over SW 60 ST Canal, 0.75 Mi. N Of Sr-986.

Overall conditionGood

Set by its lowest-rated component: Deck and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructure9/9 · Excellent
Substructuresets the rating8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT76 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9 · sets the ratingSuperstructure 9/9Substructure 8/9 · sets the rating

76 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 multi-beam bridge.

Built1972rebuilt 2019
Length76.1 ft23.2 m
Daily traffic71,700counted 2024
Last inspectedApril 2024every 24 months

Location

StateFlorida
CountyMiami-Dade
Location0.75 Mi. N Of Sr-986
CarriesSr821 NB Heft 22.2
CrossesSW 60 ST Canal
Coordinates25.71184, -80.38336

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length76.1 ft (23.2 m)
Max Span76.1 ft (23.2 m)
Deck Width91.5 ft (27.9 m)
Deck Area647.3 sq m
Main Spans1
Year Built1972 (reconstructed 2019)

Traffic

Avg Daily Traffic71,700 (2024)
Truck Traffic6%
Lanes On Bridge5

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number870411

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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