Structure 870740 · Miami-Dade County, FL

SR 924 over Scr R/r

Carries SR 924 over Scr R/r, WB SR 953 Exit.

Overall conditionGood

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

How ratings work
Deck8/9 · Very Good
Superstructuresets the rating7/9 · Good
Substructure8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT554 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 7/9 · sets the ratingSubstructure 8/9

554 ft end to end, longest span 79 ft: about 1.5 football fields. 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.

Built199135 years old
Length554.5 ft169 m
Daily traffic40,500counted 2024
Last inspectedOctober 2024every 24 months

Location

StateFlorida
CountyMiami-Dade
LocationWB SR 953 Exit
CarriesSR 924
CrossesScr R/r
Coordinates25.88297, -80.26000

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length554.5 ft (169 m)
Max Span79.4 ft (24.2 m)
Deck Width129.9 ft (39.6 m)
Deck Area6692.4 sq m
Main Spans7
Year Built1991

Traffic

Avg Daily Traffic40,500 (2024)
Truck Traffic6%
Lanes On Bridge6

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number870740

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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