I-381N RAMP 1A over I-381S(OVR);I-81/58(UND)


+36.62406, -82.18088
36°37'27" N, 82°10'51" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-381N RAMP 1A over I-381S(OVR);I-81/58(UND)
Structure number:000000000020051
Location:0.15FR381;0.20TO I-81/58
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:118.1 ft. [36.0 m]
Total length:372.1 ft. [113.4 m]
Roadway width between curbs:30.5 ft. [9.3 m]
Deck width edge-to-edge:33.8 ft. [10.3 m]
Vertical clearance above deck:17.1 ft. [5.2 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Owner:State Highway Agency [01]
Year built:1987
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:4
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: July 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:950 [as of 2017]
Truck traffic:4% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Equal to present desirable criteria [8]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Better than present minimum criteria [7]
Scour condition:Bridge not over waterway. [N]
Sufficiency rating:88.7

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2018FairSatisfactoryGoodGood95088.7
July 2016FairSatisfactoryGoodGood68188.7
July 2014FairSatisfactoryGoodGood71088.7
July 2012FairSatisfactoryGoodGood73092.7
July 2010FairSatisfactoryGoodGood1546774.9
June 2008FairSatisfactorySatisfactorySatisfactory1546774.9
May 2006FairSatisfactorySatisfactorySatisfactory1651574.4
May 2004FairSatisfactorySatisfactorySatisfactory1651474.4
April 2002FairFairSatisfactorySatisfactory4684068.0
April 2000FairFairSatisfactorySatisfactory3291868.0
April 1998FairFairSatisfactorySatisfactory3291868.0
March 1996FairSatisfactoryGoodSatisfactory397082.2
April 1994FairSatisfactoryGoodGood397082.2
March 1992GoodGoodVery GoodVery Good397082.2

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.2,0507141,316200
Steel Protective Coatingsq. ft.23,590023,566024
Reinforced Concrete Decksq. ft.12,5817,8934,68530
Reinforced Concrete Columneach30300
Reinforced Concrete Abutmentlinear ft.114872520
Reinforced Concrete Pile Cap/Footinglinear ft.6868000
Reinforced Concrete Pier Caplinear ft.102653700
Assembly with Sealeach6606330
Movable Bearingeach169052
Steel Protective Coatingsq. ft.144144000
Fixed Bearingeach44000
Steel Protective Coatingsq. ft.3636000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.79064614400