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 

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]
Evaluation:Structurally deficient [1]
Sufficiency rating:43.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
January 201643.0Structurally deficientSatisfactoryPoorGood20780
January 201452.0Not deficientSatisfactoryFairGood20780
January 201252.0Not deficientSatisfactoryFairGood20780
January 201049.7Not deficientSatisfactoryFairGood20780
December 200949.7Not deficientSatisfactoryFairGood20780
December 200749.7Not deficientSatisfactoryFairGood20780
November 200649.7Not deficientSatisfactoryFairGood20780
January 200661.1Not deficientSatisfactorySatisfactoryGood20780
January 200461.1Not deficientSatisfactorySatisfactoryGood20780
March 200269.2Not deficientSatisfactoryGoodGood20780
August 200069.2Not deficientSatisfactoryGoodGood20780
September 199967.0Not deficientSatisfactoryGoodGood20780
July 199768.5Not deficientSatisfactoryGoodGood19870
July 199567.0Not deficientGoodGoodGood18900
October 199370.0Not deficientSatisfactoryGoodGood18900
December 199267.3Not deficientSatisfactoryGoodGood18000
December 199156.5Not deficientSatisfactoryGoodGood18000