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NW 12TH Ave over Miami River

Map 

Coordinates:
+25.78222, -80.21472
25°46'56" N, 80°12'53" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:NW 12TH Ave over Miami River
Structure number:871005
Location:150 ft. S. of NW 11th St
Purpose:Carries highway and pedestrian walkway over highway and waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:165.0 ft. [50.3 m]
Total length:676.9 ft. [206.3 m]
Roadway width between curbs:104.7 ft. [31.9 m]
Deck width edge-to-edge:109.9 ft. [33.5 m]
Vertical clearance above deck:21.7 ft. [6.6 m]
Vertical clearance below bridge:34.1 ft. [10.4 m]
Skew angle:15°
Owner:State Highway Agency [01]
Year built:2009
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Main span material:Steel [3]
Main span design:Movable - Bascule [16]
Deck type:Aluminum [7]
Wearing surface:Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]

Latest Available Inspection: June 2015 

Status:Open, no restriction [A]
Average daily traffic:22,900 [as of 2015]
Truck traffic:10% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
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:Superior to present desirable criteria [9]
Roadway alignment appraisal:Better than present minimum criteria [7]
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:None present but re-evaluation suggested [5]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:63.0 tons [57.3 metric tons]
Inventory rating:38.2 tons [34.7 metric tons]
Sufficiency rating:89.7

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
June 201589.7Not deficientGoodVery GoodGood22900
June 201389.9Not deficientVery GoodExcellentExcellent21600
June 201189.9Not deficientVery GoodExcellentExcellent21500
July 200989.6Not deficientVery GoodExcellentExcellent23500