Structure 876741 · Miami-Dade County, FL

West Avenue over Collins Canal

Carries West Avenue over Collins Canal, 400ft. West Of Alton Road.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT61 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

61 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.

Built20179 years old
Length61.4 ft18.7 m
Daily traffic4,825counted 2021
Last inspectedOctober 2023every 24 months

Location

StateFlorida
CountyMiami-Dade
Location400ft. West Of Alton Road
CarriesWest Avenue
CrossesCollins Canal
Coordinates25.79249, -80.14256

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length61.4 ft (18.7 m)
Max Span61.4 ft (18.7 m)
Deck Width66.6 ft (20.3 m)
Deck Area379.6 sq m
Main Spans1
Year Built2017

Traffic

Avg Daily Traffic4,825 (2021)
Truck Traffic1%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number876741

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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