I0020 over I-20 OVER US 171/HEARNE


+32.47922, -93.77970
32°28'45" N, 93°46'47" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I0020 over I-20 OVER US 171/HEARNE
Structure number:040904510115982
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:13.1 ft. [4.0 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:Better than present minimum criteria [7]
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:85.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2018FairSatisfactorySatisfactoryGood2800085.0
March 2016FairSatisfactorySatisfactorySatisfactory3360085.0
March 2014FairSatisfactorySatisfactorySatisfactory2946086.7
March 2012FairSatisfactorySatisfactorySatisfactory3726086.7
March 2010FairSatisfactorySatisfactorySatisfactory3720086.7
February 2008FairSatisfactorySatisfactorySatisfactory4440086.7
February 2006FairSatisfactorySatisfactorySatisfactory4632086.7
March 2004FairSatisfactorySatisfactorySatisfactory3924089.9
March 2002FairSatisfactorySatisfactorySatisfactory3408089.9
March 2000FairSatisfactorySatisfactorySatisfactory1175589.9
March 1998FairSatisfactorySatisfactorySatisfactory3211089.9
March 1996FairSatisfactorySatisfactorySatisfactory3145889.9
May 1994FairSatisfactorySatisfactorySatisfactory3360189.9
March 1992FairSatisfactorySatisfactorySatisfactory2101289.9

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Reinforced Concrete Girder/Beamlinear ft.864856800
Reinforced Concrete Decksq. ft.11,664011,66400
Reinforced Concrete Columneach1212000
Reinforced Concrete Abutmentlinear ft.1381138170
Assembly without Seal Jointlinear ft.108108000
Movable Bearingeach81430
Steel Protective Coatingsq. ft.5151000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.480480000