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

Good/Fair/Poor Condition:Fair
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. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201689.7FairSatisfactoryGoodGood-22000
September 201489.7FairSatisfactoryGoodGood-21500
October 201289.2FairSatisfactoryGoodGood-26250
October 201189.2GoodGoodGoodGood-26250
October 201088.9GoodGoodGoodGood-29250
November 200890.3GoodVery GoodVery GoodVery Good-28250
November 200690.1GoodVery GoodVery GoodVery Good-29750
November 200490.4GoodVery GoodVery GoodVery Good-26750
November 200291.4GoodVery GoodVery GoodVery Good-27250
July 200187.6GoodVery GoodVery GoodVery Good-27500
July 199988.0GoodVery GoodVery GoodVery Good-19000
March 199988.0GoodVery GoodVery GoodVery Good-19000

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.46533513000
Steel Protective Coatingsq. ft.1,0001,000000
Prestressed Concrete Girder/Beamlinear ft.780778200
Steel Stringerlinear ft.1,4101,410000
Steel Protective Coatingsq. ft.1,0001,000000
Reinforced Concrete Decksq. ft.9,4799,479000
Steel Floor Beamlinear ft.5395013710
Steel Protective Coatingsq. ft.1,0001,000000
Reinforced Concrete Pier Walllinear ft.181181000
Reinforced Concrete Abutmentlinear ft.112105250
Reinforced Concrete Pile Cap/Footinglinear ft.305305000
Open Grid Decksq. ft.8,90308,90300
Steel Protective Coatingsq. ft.1,0001,000000
Concrete Filled Grid Decksq. ft.1,64401,64400
Steel Protective Coatingsq. ft.1,0001,000000
Compression Jointlinear ft.2201705000
Open Jointlinear ft.110902000
Elastomeric Bearingeach3636000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.3242349000
Steel Protective Coatingsq. ft.1,0001,000000
Reinforced Concrete Bridge Raillinear ft.404404000
Other Material Bridge Raillinear ft.398398000