Structure 874542 · Miami-Dade County, FL

Rickenbacker C. WB over Biscayne Bay

Carries Rickenbacker C. WB over Biscayne Bay, 100 Ft E/o Toll Plaza.

Overall conditionFair

Set by its lowest-rated component: Substructure at 5 of 9.

How ratings work
Deck7/9 · Good
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT639 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9Substructure 5/9 · sets the rating

639 ft end to end, longest span 49 ft: about 1.8 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.

Built198541 years old
Length638.8 ft194.7 m
Daily traffic30,500counted 2024
Last inspectedOctober 2024every 24 months

Location

StateFlorida
CountyMiami-Dade
Location100 Ft E/o Toll Plaza
CarriesRickenbacker C. WB
CrossesBiscayne Bay
Coordinates25.74775, -80.20128

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length638.8 ft (194.7 m)
Max Span48.9 ft (14.9 m)
Deck Width47.6 ft (14.5 m)
Deck Area2823.2 sq m
Main Spans13
Year Built1985

Traffic

Avg Daily Traffic30,500 (2024)
Truck Traffic3%
Lanes On Bridge3

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical3 — Scour critical
Structure Number874542

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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