Structure 870198 · Miami-Dade County, FL

Sr821 SB Heft 16.1 over SW 152 ST Coral Reef DR

Carries Sr821 SB Heft 16.1 over SW 152 ST Coral Reef DR, 3.3 Miles North Of Us-1.

Overall conditionFair

Set by its lowest-rated component: Deck at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT250 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

250 ft end to end, longest span 75 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 multi-beam bridge.

Built1973rebuilt 2019
Length250.0 ft76.2 m
Daily traffic95,550counted 2022
Last inspectedMarch 2024every 24 months

Location

StateFlorida
CountyMiami-Dade
Location3.3 Miles North Of Us-1
CarriesSr821 SB Heft 16.1
CrossesSW 152 ST Coral Reef DR
Coordinates25.62740, -80.37988

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length250.0 ft (76.2 m)
Max Span75.5 ft (23 m)
Deck Width99.1 ft (30.2 m)
Deck Area2301.2 sq m
Main Spans4
Year Built1973 (reconstructed 2019)

Traffic

Avg Daily Traffic95,550 (2022)
Truck Traffic6%
Lanes On Bridge6
Lanes Under Bridge8

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number870198

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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