Share:

NE 79 St. EB 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. EB over Intracoastal Waterway
Structure number:870554
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:973.8 ft. [296.8 m]
Roadway width between curbs:39.4 ft. [12.0 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:19,500 [as of 2015]
Truck traffic:5% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Good [7 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:Superior to present desirable criteria [9]
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:52.8
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 201552.8Not deficientGoodFairGood19500
April 201363.4Not deficientGoodSatisfactoryGood18500
April 201166.1Not deficientGoodSatisfactoryGood18500
April 201066.1Not deficientGoodSatisfactoryGood18500
April 200968.6Not deficientGoodSatisfactoryGood18500
April 200768.5Not deficientGoodSatisfactoryGood19250
April 200567.9Not deficientGoodGoodGood20000
April 200367.8Not deficientGoodGoodGood20250
April 200271.5Not deficientVery GoodGoodGood20250
February 199870.4Not deficientVery GoodGoodGood16500
February 199670.0Not deficientVery GoodGoodGood16500
May 199376.4Not deficientVery GoodVery GoodGood16692
June 199176.4Not deficientGoodVery GoodGood16692