NW 22nd Avenue over Miami River


+25.78861, -80.23111
25°47'19" N, 80°13'52" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:NW 22nd Avenue over Miami River
Structure number:874383
Location:600Ft. N OF NW 14th ST
Purpose:Carries highway and pedestrian walkway over highway and waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:164.4 ft. [50.1 m]
Total length:1078.1 ft. [328.6 m]
Roadway width between curbs:52.5 ft. [16.0 m]
Deck width edge-to-edge:64.6 ft. [19.7 m]
Vertical clearance below bridge:29.9 ft. [9.1 m]
Owner:County Highway Agency [02]
Year built:1964
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 [3]
Main span design:Movable - Bascule [16]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Other [9]

Latest Available Inspection: January 2016 

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:20,780 [as of 2015]
Truck traffic:2% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Pier/abutment protection:In place but in a deteriorated condition [3]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:46.8 tons [42.5 metric tons]
Inventory rating:28.1 tons [25.5 metric tons]
Sufficiency rating:43.0

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
January 201643.0PoorSatisfactoryPoorGoodSD20780
January 201452.0FairSatisfactoryFairGood-20780
January 201252.0FairSatisfactoryFairGood-20780
January 201049.7FairSatisfactoryFairGood-20780
December 200949.7FairSatisfactoryFairGood-20780
December 200749.7FairSatisfactoryFairGood-20780
November 200649.7FairSatisfactoryFairGood-20780
January 200661.1FairSatisfactorySatisfactoryGood-20780
January 200461.1FairSatisfactorySatisfactoryGood-20780
March 200269.2FairSatisfactoryGoodGood-20780
August 200069.2FairSatisfactoryGoodGood-20780
September 199967.0FairSatisfactoryGoodGood-20780
July 199768.5FairSatisfactoryGoodGood-19870
July 199567.0GoodGoodGoodGood-18900
October 199370.0FairSatisfactoryGoodGood-18900
December 199267.3FairSatisfactoryGoodGood-18000
December 199156.5FairSatisfactoryGoodGood-18000