SR-9 (NW 27 Ave)NB over Miami River


+25.79250, -80.23944
25°47'33" N, 80°14'22" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:SR-9 (NW 27 Ave)NB over Miami River
Structure number:870731
Location:NW 27 Ave & Miami River
Purpose:Carries highway and pedestrian walkway over highway and waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:164.7 ft. [50.2 m]
Total length:373.7 ft. [113.9 m]
Roadway width between curbs:44.9 ft. [13.7 m]
Deck width edge-to-edge:55.1 ft. [16.8 m]
Vertical clearance above deck:17.7 ft. [5.4 m]
Vertical clearance below bridge:18.0 ft. [5.5 m]
Owner:State Highway Agency [01]
Year built:1997
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:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: September 2016 

Status:Open, no restriction [A]
Average daily traffic:22,000 [as of 2016]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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 and functioning [2]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:55.4 tons [50.4 metric tons]
Inventory rating:33.0 tons [30.0 metric tons]
Sufficiency rating:89.7
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$650,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
September 201689.7Not deficientSatisfactoryGoodGood22000
September 201489.7Not deficientSatisfactoryGoodGood21500
October 201289.2Not deficientSatisfactoryGoodGood26250
October 201189.2Not deficientGoodGoodGood26250
October 201088.9Not deficientGoodGoodGood29250
November 200890.3Not deficientVery GoodVery GoodVery Good28250
November 200690.1Not deficientVery GoodVery GoodVery Good29750
November 200490.4Not deficientVery GoodVery GoodVery Good26750
November 200291.4Not deficientVery GoodVery GoodVery Good27250
July 200187.6Not deficientVery GoodVery GoodVery Good27500
July 199988.0Not deficientVery GoodVery GoodVery Good19000
March 199988.0Not deficientVery GoodVery GoodVery Good19000
19970.0Not applicableVery GoodVery GoodVery Good-