Structure 871173 · Miami-Dade County, FL

SR 836 EB Ramp over Nw42 AVE Sr836&nw14th.

Carries SR 836 EB Ramp over Nw42 AVE Sr836&nw14th., Sr836eb Rmp Over NW 42ave.

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 FT927 FT OVERALL200 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

927 ft end to end, longest span 247 ft: about 2.6 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 multi-beam bridge.

Built20188 years old
Length926.8 ft282.5 m
Daily traffic—reported figure implausible
Last inspectedOctober 2024every 24 months

Location

StateFlorida
CountyMiami-Dade
LocationSr836eb Rmp Over NW 42ave
CarriesSR 836 EB Ramp
CrossesNw42 AVE Sr836&nw14th.
Coordinates25.78569, -80.26276

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length926.8 ft (282.5 m)
Max Span247.0 ft (75.3 m)
Deck Width32.2 ft (9.8 m)
Deck Area2768.5 sq m
Main Spans5
Year Built2018

Traffic

Avg Daily Traffic151,000 (2024)
That is about 151,000 vehicles per lane per day — beyond what any U.S. road carries (the busiest freeways run about 25,000–30,000). It is almost certainly a data-entry error in the National Bridge Inventory, so we leave this bridge out of traffic rankings.
Truck Traffic4%
Lanes On Bridge1
Lanes Under Bridge21

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 Number871173

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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