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WB NW 21st Street over NW 42nd Ave & Off Ramp

Map 

Coordinates:
+25.79472, -80.26417
25°47'41" N, 80°15'51" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:WB NW 21st Street over NW 42nd Ave & Off Ramp
Structure number:874645
Location:MIA Interchange
Purpose:Carries highway over highway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:197.2 ft. [60.1 m]
Total length:197.2 ft. [60.1 m]
Roadway width between curbs:65.3 ft. [19.9 m]
Deck width edge-to-edge:68.2 ft. [20.8 m]
Vertical clearance below bridge:16.7 ft. [5.1 m]
Owner:County Highway Agency [02]
Year built:2008
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel continuous [4]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: May 2014 

Status:Open, no restriction [A]
Average daily traffic:19,560 [as of 2014]
Truck traffic:3% 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]
Roadway alignment appraisal:Superior to present desirable criteria [9]
Scour condition:Bridge not over waterway. [N]
Operating rating:80.4 tons [73.1 metric tons]
Inventory rating:48.1 tons [43.7 metric tons]
Sufficiency rating:97.1

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
May 201497.1Not deficientVery GoodVery GoodVery Good19560
May 201297.1Not deficientVery GoodVery GoodVery Good19560
May 201092.0Not deficientVery GoodVery GoodVery Good19560
May 200892.0Not deficientExcellentExcellentExcellent19560