SW 122nd Avenue over Tamiami Canal C-4


+25.76111, -80.39278
25°45'40" N, 80°23'34" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:SW 122nd Avenue over Tamiami Canal C-4
Structure number:874213
Location:75Ft. N of US-41
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Collector (Urban) [17]
Length of largest span:29.9 ft. [9.1 m]
Total length:82.4 ft. [25.1 m]
Roadway width between curbs:49.5 ft. [15.1 m]
Deck width edge-to-edge:96.1 ft. [29.3 m]
Owner:County Highway Agency [02]
Year built:1971
Year reconstructed:1993
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:3
Main spans material:Prestressed concrete [5]
Main spans design:Slab [01]
Deck type:Concrete Precast Panels [2]
Wearing surface:Bituminous [6]

Latest Available Inspection: March 2014 

Status:Open, no restriction [A]
Average daily traffic:14,566 [as of 2014]
Truck traffic:2% 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:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Better than present minimum criteria [7]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
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:61.9 tons [56.3 metric tons]
Inventory rating:37.1 tons [33.7 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:76.4

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
March 201476.4Functionally obsoleteGoodGoodGood14566
March 201276.4Functionally obsoleteGoodGoodGood14566
March 201094.9Not deficientGoodGoodGood14566
March 200894.9Not deficientGoodGoodGood14566
March 200696.0Not deficientGoodGoodGood14566
March 200496.0Not deficientGoodGoodGood14566
June 200296.0Not deficientGoodGoodGood14566
October 199996.0Not deficientVery GoodGoodGood14566
November 199776.4Not deficientVery GoodGoodGood14280
October 199575.3Not deficientVery GoodVery GoodGood14000
March 199495.9Not deficientVery GoodVery GoodGood14000
January 199265.8Not deficientFairFairGood13900