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I124 over 20TH ST W. (FAU 5395)

Map

Coordinates:
+35.03663, -85.31932
35°02'12" N, 85°19'10" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I124 over 20TH ST W. (FAU 5395)
Structure number:33I01240005
Location:1.5 MI OF I24
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:65.0 ft. [19.8 m]
Total length:227.0 ft. [69.2 m]
Roadway width between curbs:42.0 ft. [12.8 m]
Deck width edge-to-edge:48.2 ft. [14.7 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:31°
Owner:State Highway Agency [01]
Year built:1962
Historic significance:Historical significance is not determinable at this time [4]
Design load:MS 18 / HS 20 [5]
Number of main spans:4
Main spans material:Steel [3]
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: August 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:70,240 [as of 2015]
Truck traffic:5% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
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]
Sufficiency rating:39.5
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$4,429,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2016FairFairFairFair7024039.5
August 2014FairFairFairFair6981039.5
August 2012FairFairSatisfactoryFair6893039.5
August 2010FairFairSatisfactoryFair6339049.0
August 2008FairFairSatisfactoryFair6879049.0
August 2006PoorFairPoorFair7794038.0
August 2004PoorFairPoorFair7761038.0
August 2002PoorFairPoorFair7790038.0
October 2000PoorPoorPoorFair6931037.0
September 1998PoorSeriousSatisfactoryFair7009048.0
August 1996PoorSeriousSatisfactoryFair7582045.2
December 1994PoorSeriousSatisfactoryFair5520046.0
December 1992PoorSeriousSatisfactoryFair4685057.0
September 1990PoorSeriousSatisfactoryFair4685054.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.1,3801,3473300
Deck
Reinforced Concrete Decksq. ft.11,270011,27000
Wearing Surfacessq. ft.9,6609,660000
Substructure
Reinforced Concrete Columneach90450
Reinforced Concrete Abutmentlinear ft.142142000
Reinforced Concrete Pier Caplinear ft.16813325100
Bearings
Movable Bearingeach2424000
Fixed Bearingeach2424000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.460046000