Structure 874712 · Miami-Dade County, FL

Pine Tree Drive over Flamingo Waterway

Carries Pine Tree Drive over Flamingo Waterway, 0.8 Mi N Of Arthur G. Rd..

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 overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT174 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 5/9 · sets the rating

174 ft end to end: about 2 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 slab bridge.

Built195670 years old
Length173.6 ft52.9 m
Daily traffic9,884counted 2020
Last inspectedAugust 2024every 24 months

Location

StateFlorida
CountyMiami-Dade
Location0.8 Mi N Of Arthur G. Rd.
CarriesPine Tree Drive
CrossesFlamingo Waterway
Coordinates25.82646, -80.12486

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length173.6 ft (52.9 m)
Max Span32.2 ft (9.8 m)
Deck Width64.6 ft (19.7 m)
Deck Area1042.1 sq m
Main Spans1
Year Built1956

Traffic

Avg Daily Traffic9,884 (2020)
Truck Traffic5%
Lanes On Bridge4

Inspection & Ownership

Last InspectionAugust 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number874712

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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