Structure 871199 · Miami-Dade County, FL

I-395 WB over NW 3rd AVE To NE 2st AVE

Carries I-395 WB over NW 3rd AVE To NE 2st AVE, Midtown Interchange.

Overall conditionGood

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

How ratings work
Deck9/9 · Excellent
Superstructuresets the rating7/9 · Good
Substructure9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT3,094 FT OVERALL500 FT0ELEVATION · LENGTHS TO SCALE
Deck 9/9Superstructure 7/9 · sets the ratingSubstructure 9/9

3,094 ft end to end, longest span 249 ft: about 8.6 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 segmental box-girder bridge.

Built20233 years old
Length3094.2 ft943.1 m
Daily traffic39,500counted 2023
Last inspectedDecember 2023every 24 months

Location

StateFlorida
CountyMiami-Dade
LocationMidtown Interchange
CarriesI-395 WB
CrossesNW 3rd AVE To NE 2st AVE
Coordinates25.78802, -80.19771

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignSegmental Box Girder
Total Length3094.2 ft (943.1 m)
Max Span249.3 ft (76 m)
Deck Width48.6 ft (14.8 m)
Deck Area13957.9 sq m
Main Spans12
Year Built2023

Traffic

Avg Daily Traffic39,500 (2023)
Truck Traffic5%
Lanes On Bridge3
Lanes Under Bridge13

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number871199

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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