I 59/20 over 28 TH ST NO


+33.53023, -86.80183
33°31'49" N, 86°48'07" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I 59/20 over 28 TH ST NO
Structure number:010492
Old structure number:00000I59370255B (from 1992 edition)
Location:I 59 * 28 TH ST NO
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:70.9 ft. [21.6 m]
Total length:172.9 ft. [52.7 m]
Roadway width between curbs:77.8 ft. [23.7 m]
Deck width edge-to-edge:80.1 ft. [24.4 m]
Vertical clearance below bridge:17.4 ft. [5.3 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1971
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 continuous [4]
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: December 2014 

Status:Open, no restriction [A]
Average daily traffic:76,205 [as of 2013]
Truck traffic:10% of total traffic
Deck condition:Satisfactory [6 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:Equal to present minimum criteria [6]
Underclearances appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:60.3 tons [54.8 metric tons]
Inventory rating:36.1 tons [32.8 metric tons]
Sufficiency rating:73.2
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$5,186,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
December 201473.2Not deficientSatisfactoryFairSatisfactory76205
December 201285.5Not deficientSatisfactorySatisfactorySatisfactory75630
December 201085.4Not deficientSatisfactorySatisfactorySatisfactory76095
December 200885.3Not deficientSatisfactorySatisfactoryGood77355
December 200685.1Not deficientSatisfactorySatisfactoryGood79215
December 200485.2Not deficientSatisfactorySatisfactoryGood77910
December 200285.3Not deficientSatisfactorySatisfactoryGood77560
January 200182.7Not deficientFairSatisfactoryGood81230
January 199983.1Not deficientFairSatisfactoryGood77695
November 199684.6Not deficientGoodGoodGood73275
November 199486.4Not deficientGoodGoodGood69560
November 199284.5Not deficientGoodGoodGood68400
March 199086.8Not deficientGoodGoodGood64500