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MIA Off Ramp 4 over MIA Interchange

Map 

Coordinates:
+25.79278, -80.26500
25°47'34" N, 80°15'54" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:MIA Off Ramp 4 over MIA Interchange
Structure number:874639
Location:Ramp to SR 836 & 953
Purpose:Carries highway over highway, waterway, and railroad
Route classification:Local (Urban) [19]
Length of largest span:216.9 ft. [66.1 m]
Total length:1248.4 ft. [380.5 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:43.0 ft. [13.1 m]
Vertical clearance below bridge:18.0 ft. [5.5 m]
Owner:State Toll Authority [31]
Year built:2008
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:6
Main spans material:Steel continuous [4]
Main spans design:Box Beam or girders - Single or Spread [06]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: November 2015 

Status:Open, no restriction [A]
Average daily traffic:5,225 [as of 2005]
Truck traffic:6% of total traffic
Deck condition:Very Good [8 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Equal to present desirable criteria [8]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:61.1 tons [55.5 metric tons]
Inventory rating:36.6 tons [33.3 metric tons]
Sufficiency rating:98.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
November 201598.0Not deficientVery GoodVery GoodVery Good5225
November 201398.0Not deficientVery GoodVery GoodVery Good5225
May 201298.0Not deficientVery GoodVery GoodVery Good5225
June 201098.0Not deficientVery GoodVery GoodVery Good5225
July 200898.0Not deficientExcellentExcellentExcellent5225