Structure 870722 · Miami-Dade County, FL

Sr932 EB (870657) over Scl R/r

Carries Sr932 EB (870657) over Scl R/r, 0.5m E Of NW 42 AVE.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT308 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

308 ft end to end, longest span 74 ft: about 4 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.

Built1960rebuilt 1991
Length308.1 ft93.9 m
Daily traffic19,750counted 2022
Last inspectedMay 2024every 24 months

Location

StateFlorida
CountyMiami-Dade
Location0.5m E Of NW 42 AVE
CarriesSr932 EB (870657)
CrossesScl R/r
Coordinates25.86744, -80.25992

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length308.1 ft (93.9 m)
Max Span74.1 ft (22.6 m)
Deck Width39.0 ft (11.9 m)
Deck Area1117.4 sq m
Main Spans6
Year Built1960 (reconstructed 1991)

Traffic

Avg Daily Traffic19,750 (2022)
Truck Traffic4%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number870722

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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