I 59/20 over 28 TH ST NO


+33.53042, -86.80196
33°31'50" 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:010491
Old structure number:00000I59370255A (from 1992 edition)
Location:I 59 * 28 TH ST
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:14.1 ft. [4.3 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:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present minimum criteria [6]
Underclearances appraisal:Meets minimum tolerable limits to be left in place as is [4]
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:83.2
Recommended work:Bridge deck replacement with only incidental widening. [37]
Estimated cost of work:$5,178,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
December 201483.2Not deficientSatisfactorySatisfactorySatisfactory76205
December 201283.3Not deficientSatisfactorySatisfactorySatisfactory75630
December 201082.1Not deficientFairSatisfactoryGood76095
December 200882.0Not deficientFairSatisfactoryGood77355
December 200681.8Not deficientFairSatisfactoryGood79215
December 200481.9Not deficientFairSatisfactoryGood77910
December 200282.0Not deficientFairSatisfactoryGood77560
January 200182.7Not deficientFairSatisfactoryGood81230
January 199983.1Not deficientFairSatisfactoryGood77695
November 199684.6Not deficientSatisfactorySatisfactoryGood73275
November 199486.4Not deficientGoodSatisfactoryGood69560
November 199284.5Not deficientGoodSatisfactoryGood67900
March 199083.8Not deficientGoodGoodGood64500