I 59/20 over COOSA ST SOU SS * IRR


+33.54560, -86.78421
33°32'44" N, 86°47'03" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 59/20 over COOSA ST SOU SS * IRR
Structure number:010500
Old structure number:00000I59370268B (from 1992 edition)
Location:I59 * COOSA ST
Purpose:Carries highway over highway and railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:86.0 ft. [26.2 m]
Total length:1090.9 ft. [332.5 m]
Roadway width between curbs:62.7 ft. [19.1 m]
Deck width edge-to-edge:64.0 ft. [19.5 m]
Vertical clearance below bridge:23.3 ft. [7.1 m]
Skew angle:20°
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:15
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: January 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:76,895 [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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:62.4 tons [56.7 metric tons]
Inventory rating:37.4 tons [34.0 metric tons]
Sufficiency rating:83.1
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$16,053,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
January 201683.1FairSatisfactorySatisfactorySatisfactory-76895
January 201481.1FairSatisfactorySatisfactorySatisfactory-76895
January 201280.1FairFairSatisfactorySatisfactory-76095
January 201080.0FairFairSatisfactorySatisfactory-77355
December 200780.0FairFairSatisfactorySatisfactory-77200
December 200581.9FairFairSatisfactorySatisfactory-77910
January 200581.9FairFairSatisfactorySatisfactory-77910
December 200282.0FairFairSatisfactorySatisfactory-77560
January 200182.0FairFairSatisfactorySatisfactory-77600
February 199983.2FairSatisfactoryGoodGood-76270
November 199683.5FairSatisfactoryGoodGood-73275
November 199485.5FairSatisfactoryGoodGood-67100
November 199285.7GoodGoodGoodGood-65350
April 199086.0FairGoodSatisfactoryGood-61460

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.8,7278,7041931
Steel Protective Coatingsq. ft.111,010111,010000
Reinforced Concrete Decksq. ft.69,81859,68910,108210
Wearing Surfacessq. ft.59,67259,672000
Reinforced Concrete Columneach5243720
Reinforced Concrete Abutmentlinear ft.1521281590
Reinforced Concrete Pier Caplinear ft.878867650
Compression Jointlinear ft.2130024189
Assembly without Seal Jointlinear ft.142014200
Movable Bearingeach9615203328
Fixed Bearingeach40250132
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.2,1822,182000