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 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:76,205 [as of 2016]
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:60.2 tons [54.7 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:83.2
Recommended work:Bridge deck replacement with only incidental widening. [37]
Estimated cost of work:$3,799,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
December 201683.2FairSatisfactorySatisfactorySatisfactory-76205
December 201483.2FairSatisfactorySatisfactorySatisfactory-76205
December 201283.3FairSatisfactorySatisfactorySatisfactory-75630
December 201082.1FairFairSatisfactoryGood-76095
December 200882.0FairFairSatisfactoryGood-77355
December 200681.8FairFairSatisfactoryGood-79215
December 200481.9FairFairSatisfactoryGood-77910
December 200282.0FairFairSatisfactoryGood-77560
January 200182.7FairFairSatisfactoryGood-81230
January 199983.1FairFairSatisfactoryGood-77695
November 199684.6FairSatisfactorySatisfactoryGood-73275
November 199486.4FairGoodSatisfactoryGood-69560
November 199284.5FairGoodSatisfactoryGood-67900
March 199083.8GoodGoodGoodGood-64500

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.1,7301,46002700
Steel Protective Coatingsq. ft.16,544013,8982,453193
Reinforced Concrete Decksq. ft.13,840013,5053305
Wearing Surfacessq. ft.12,802012,4720330
Reinforced Concrete Columneach80800
Reinforced Concrete Abutmentlinear ft.193019300
Reinforced Concrete Pier Caplinear ft.157157000
Pourable Jointlinear ft.161000161
Movable Bearingeach30016140
Fixed Bearingeach1001000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.346034600