Structure 870362 · Miami-Dade County, FL

I-95SB To Sr-836wb over NW 17th ST

Carries I-95SB To Sr-836wb over NW 17th ST, Midtown Interchange.

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 FT140 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

140 ft end to end, longest span 63 ft. 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 1990
Length140.1 ft42.7 m
Daily traffic39,500counted 2024
Last inspectedOctober 2024every 24 months

Location

StateFlorida
CountyMiami-Dade
LocationMidtown Interchange
CarriesI-95SB To Sr-836wb
CrossesNW 17th ST
Coordinates25.79156, -80.20556

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length140.1 ft (42.7 m)
Max Span63.0 ft (19.2 m)
Deck Width40.4 ft (12.3 m)
Deck Area525.2 sq m
Main Spans3
Year Built1960 (reconstructed 1990)

Traffic

Avg Daily Traffic39,500 (2024)
Truck Traffic10%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number870362

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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