Structure 870650 · Miami-Dade County, FL

SR 924 WB over I-75 Ramp To NB SR 826

Carries SR 924 WB over I-75 Ramp To NB SR 826, 800 Ft. East Of SR 826.

Overall conditionGood

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

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT156 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

156 ft end to end, longest span 81 ft: 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 multi-beam bridge.

Built198640 years old
Length155.8 ft47.5 m
Daily traffic34,000counted 2024
Last inspectedNovember 2024every 24 months

Location

StateFlorida
CountyMiami-Dade
Location800 Ft. East Of SR 826
CarriesSR 924 WB
CrossesI-75 Ramp To NB SR 826
Coordinates25.90010, -80.32164

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length155.8 ft (47.5 m)
Max Span81.0 ft (24.7 m)
Deck Width70.5 ft (21.5 m)
Deck Area1021.2 sq m
Main Spans3
Year Built1986

Traffic

Avg Daily Traffic34,000 (2024)
Truck Traffic8%
Lanes On Bridge4
Lanes Under Bridge2

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number870650

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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