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:81.0 ft. [24.7 m]
Deck width edge-to-edge:94.8 ft. [28.9 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 2016 

Good/Fair/Poor Condition:Good
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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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 with "unknown" foundation that has not been evaluated for scour. [U]
Operating rating:61.9 tons [56.3 metric tons]
Inventory rating:37.1 tons [33.7 metric tons]
Sufficiency rating:96.3

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
March 201696.3GoodGoodGoodGood-14566
March 201476.4GoodGoodGoodGoodFO14566
March 201276.4GoodGoodGoodGoodFO14566
March 201094.9GoodGoodGoodGood-14566
March 200894.9GoodGoodGoodGood-14566
March 200696.0GoodGoodGoodGood-14566
March 200496.0GoodGoodGoodGood-14566
June 200296.0GoodGoodGoodGood-14566
October 199996.0GoodVery GoodGoodGood-14566
November 199776.4GoodVery GoodGoodGood-14280
October 199575.3GoodVery GoodVery GoodGood-14000
March 199495.9GoodVery GoodVery GoodGood-14000
January 199265.8FairFairFairGood-13900