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NE 79 St. WB over Intracoastal Waterway

Map 

Coordinates:
+25.84778, -80.17111
25°50'52" N, 80°10'16" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:NE 79 St. WB over Intracoastal Waterway
Structure number:870082
Location:1.0 mi E of SR-5
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:149.3 ft. [45.5 m]
Total length:968.2 ft. [295.1 m]
Roadway width between curbs:40.0 ft. [12.2 m]
Deck width edge-to-edge:47.9 ft. [14.6 m]
Vertical clearance below bridge:21.7 ft. [6.6 m]
Owner:State Highway Agency [01]
Year built:1972
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: April 2015 

Status:Open, no restriction [A]
Average daily traffic:18,500 [as of 2015]
Truck traffic:4% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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 desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
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:43.9 tons [39.9 metric tons]
Inventory rating:26.3 tons [23.9 metric tons]
Sufficiency rating:52.9
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$1,607,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
April 201552.9Not deficientGoodFairSatisfactory18500
April 201363.4Not deficientGoodSatisfactorySatisfactory18500
April 201172.5Not deficientGoodSatisfactorySatisfactory18500
April 201072.5Not deficientGoodGoodGood18500
April 200974.5Not deficientGoodGoodGood18500
April 200774.4Not deficientGoodGoodGood19250
April 200574.1Not deficientGoodGoodGood20000
April 200374.1Not deficientGoodGoodGood20250
April 200276.3Not deficientVery GoodVery GoodGood20250
February 199876.5Not deficientVery GoodVery GoodGood17000
February 199676.1Not deficientVery GoodVery GoodGood17000
May 199375.9Not deficientVery GoodVery GoodGood21967
June 199175.9Not deficientVery GoodVery GoodGood21967