Structure 870929 · Miami-Dade County, FL

Sr821 Rmp SB 26.5 over SR 821 NB Heft

Carries Sr821 Rmp SB 26.5 over SR 821 NB Heft, SR 836 Heft Intchg.

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 FT402 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

402 ft end to end, longest span 207 ft: about 6 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.

Built20215 years old
Length401.9 ft122.5 m
Daily traffic36,500counted 2024
Last inspectedApril 2024every 24 months

Location

StateFlorida
CountyMiami-Dade
LocationSR 836 Heft Intchg
CarriesSr821 Rmp SB 26.5
CrossesSR 821 NB Heft
Coordinates25.77583, -80.38556

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length401.9 ft (122.5 m)
Max Span207.0 ft (63.1 m)
Deck Width38.7 ft (11.8 m)
Deck Area1445.5 sq m
Main Spans2
Year Built2021

Traffic

Avg Daily Traffic36,500 (2024)
Truck Traffic5%
Lanes On Bridge1
Lanes Under Bridge6

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number870929

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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