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I0020 over I-20 OVER US 171/HEARNE

Map

Coordinates:
+32.47846, -93.78040
32°28'42" N, 93°46'49" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I0020 over I-20 OVER US 171/HEARNE
Structure number:040904510115981
Location:I-20 OVER US 71
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:74.2 ft. [22.6 m]
Total length:215.9 ft. [65.8 m]
Roadway width between curbs:40.4 ft. [12.3 m]
Deck width edge-to-edge:45.6 ft. [13.9 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:43°
Owner:State Highway Agency [01]
Year built:1965
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:4
Main spans material:Concrete continuous [2]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: March 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:28,000 [as of 2016]
Truck traffic:19% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:81.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2018FairSatisfactorySatisfactoryGood2800081.0
March 2016FairSatisfactorySatisfactorySatisfactory3360081.0
March 2014FairSatisfactorySatisfactorySatisfactory2946081.0
March 2012FairSatisfactorySatisfactorySatisfactory3726081.0
March 2010FairSatisfactorySatisfactorySatisfactory3720081.0
February 2008FairSatisfactorySatisfactorySatisfactory4440081.0
February 2006FairSatisfactorySatisfactorySatisfactory4632081.0
March 2004FairSatisfactorySatisfactorySatisfactory3924081.0
March 2002FairSatisfactorySatisfactorySatisfactory3408077.9
March 2000FairSatisfactorySatisfactorySatisfactory1175577.9
March 1998FairSatisfactorySatisfactorySatisfactory3211077.9
March 1996FairSatisfactorySatisfactorySatisfactory3145877.9
May 1994FairSatisfactorySatisfactorySatisfactory3360177.9
March 1992FairSatisfactorySatisfactorySatisfactory2101277.9

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Reinforced Concrete Girder/Beamlinear ft.864856800
Deck
Reinforced Concrete Decksq. ft.11,664011,66400
Substructure
Reinforced Concrete Columneach1212000
Reinforced Concrete Abutmentlinear ft.138135300
Joints
Assembly without Seal Jointlinear ft.108108000
Bearings
Movable Bearingeach83410
Steel Protective Coatingsq. ft.5151000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.432432000