NW 12th Avenue over Local Streets and RR


+25.84111, -80.21694
25°50'28" N, 80°13'01" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:NW 12th Avenue over Local Streets and RR
Structure number:874033
Location:0.1 Mile N of NW 71st St.
Purpose:Carries highway and pedestrian walkway over highway and railroad
Route classification:Collector (Urban) [17]
Length of largest span:103.7 ft. [31.6 m]
Total length:790.1 ft. [240.8 m]
Roadway width between curbs:57.7 ft. [17.6 m]
Deck width edge-to-edge:74.5 ft. [22.7 m]
Vertical clearance below bridge:19.7 ft. [6.0 m]
Owner:County Highway Agency [02]
Year built:1985
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:9
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: June 2014 

Status:Open, no restriction [A]
Average daily traffic:15,183 [as of 2014]
Truck traffic:5% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:76.9 tons [69.9 metric tons]
Inventory rating:34.3 tons [31.2 metric tons]
Sufficiency rating:92.1

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
June 201492.1Not deficientGoodGoodGood15183
June 201292.1Not deficientGoodGoodGood15183
June 201092.1Not deficientGoodGoodGood15183
June 200892.1Not deficientGoodGoodGood15183
June 200692.6Not deficientGoodGoodSatisfactory15183
June 200492.6Not deficientGoodGoodSatisfactory15183
September 200292.6Not deficientGoodGoodGood15183
February 200090.5Functionally obsoleteGoodGoodGood15183
February 199885.3Functionally obsoleteGoodGoodGood14885
January 199682.1Functionally obsoleteGoodGoodGood14500
May 199484.2Functionally obsoleteGoodGoodGood14500
May 199284.5Not deficientGoodVery GoodVery Good13750
May 199084.5Not deficientGoodVery GoodVery Good13750