RAMP D TO I59 over RAMP B TO I 20


+33.54754, -86.74671
33°32'51" N, 86°44'48" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:RAMP D TO I59 over RAMP B TO I 20
Structure number:011059
Old structure number:00000I203700020 (from 1992 edition)
Location:I20 * I59 INTR
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:75.1 ft. [22.9 m]
Total length:204.4 ft. [62.3 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:31.5 ft. [9.6 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Owner:State Highway Agency [01]
Year built:1974
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: June 2014 

Status:Open, no restriction [A]
Average daily traffic:13,410 [as of 2011]
Truck traffic:11% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Superior to present desirable criteria [9]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Scour condition:Bridge not over waterway. [N]
Operating rating:83.3 tons [75.7 metric tons]
Inventory rating:49.8 tons [45.3 metric tons]
Sufficiency rating:96.7
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$2,355,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
June 201496.7Not deficientSatisfactorySatisfactoryGood13410
June 201293.7Not deficientSatisfactorySatisfactorySatisfactory13410
June 201096.7Not deficientSatisfactorySatisfactoryGood13425
July 200896.7Not deficientSatisfactorySatisfactoryGood13978
August 200697.4Not deficientGoodSatisfactoryGood6262
August 200497.4Not deficientGoodSatisfactoryGood6158
August 200297.4Not deficientGoodSatisfactoryGood6228
August 200096.8Not deficientGoodGoodGood2000
September 199896.8Not deficientVery GoodVery GoodGood1700
August 199696.8Not deficientVery GoodVery GoodGood1700
August 199496.8Not deficientGoodGoodGood1600
September 199296.8Not deficientGoodVery GoodGood1500
October 199096.8Not deficientGoodGoodGood1200