I 59/20 over L * N RR


+33.55026, -86.77459
33°33'01" N, 86°46'29" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I 59/20 over L * N RR
Structure number:011080
Old structure number:00000I59370276B (from 1992 edition)
Location:I 59 * L * N RR
Purpose:Carries highway over railroad
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:80.1 ft. [24.4 m]
Total length:203.1 ft. [61.9 m]
Roadway width between curbs:80.1 ft. [24.4 m]
Deck width edge-to-edge:81.4 ft. [24.8 m]
Vertical clearance below bridge:23.3 ft. [7.1 m]
Skew angle:12°
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 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: February 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:70,200 [as of 2016]
Truck traffic:11% of total traffic
Deck condition:Fair [5 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:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Operating rating:54.1 tons [49.2 metric tons]
Inventory rating:35.0 tons [31.8 metric tons]
Sufficiency rating:90.2
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$4,439,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201690.2FairFairSatisfactorySatisfactory-70200
February 201478.2FairFairFairSatisfactory-70200
February 201278.1FairFairFairSatisfactory-70545
February 201090.0FairFairSatisfactorySatisfactory-71710
February 200890.1FairFairSatisfactorySatisfactory-71565
February 200690.3FairFairGoodGood-69460
February 200489.1FairFairGoodGood-68040
February 200289.5FairFairVery GoodVery Good-68040
February 200090.6FairFairVery GoodVery Good-67530
March 199891.0FairFairVery GoodVery Good-63620
January 199693.4FairSatisfactoryVery GoodVery Good-60820
February 199493.7GoodGoodGoodVery Good-57275
November 199193.8GoodGoodVery GoodVery Good-56070

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.2,2342,223632
Steel Protective Coatingsq. ft.21,420021,387033
Reinforced Concrete Decksq. ft.16,53212,6393,57626651
Wearing Surfacessq. ft.10,98810,988000
Reinforced Concrete Columneach1010000
Reinforced Concrete Abutmentlinear ft.2111317640
Reinforced Concrete Pier Caplinear ft.156156000
Compression Jointlinear ft.163000163
Movable Bearingeach3303219
Fixed Bearingeach110830
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.4063763000