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I-81 NBL over HARMAN RD

Map

Coordinates:
+38.93124, -78.47918
38°55'52" N, 78°28'45" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-81 NBL over HARMAN RD
Structure number:000000000017003
Location:4.89 TO 42 - 3.25 TO 651
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:38.1 ft. [11.6 m]
Total length:109.9 ft. [33.5 m]
Roadway width between curbs:42.0 ft. [12.8 m]
Deck width edge-to-edge:44.0 ft. [13.4 m]
Vertical clearance below bridge:13.1 ft. [4.0 m]
Skew angle:
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+Mod / HS 20+Mod [6]
Number of main spans:3
Main spans material:Concrete [1]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Latex Concrete or similar additive [3]

Latest Available Inspection: February 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:21,278 [as of 2014]
Truck traffic:23% of total traffic
Deck condition:Satisfactory [6 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 desirable criteria [8]
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:94.0
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$45,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
February 2017FairSatisfactorySatisfactorySatisfactory2127894.0
February 2015FairSatisfactorySatisfactorySatisfactory2127892.0
February 2013FairSatisfactorySatisfactorySatisfactory2198491.9
February 2011FairSatisfactoryGoodSatisfactory2198491.9
February 2009FairSatisfactoryGoodSatisfactory2198493.9
March 2007FairGoodVery GoodFair1868582.9
February 2005FairGoodVery GoodFair1998682.8
April 2003FairGoodVery GoodSatisfactory1951994.1
March 2001FairGoodVery GoodSatisfactory1890494.2
February 1999FairSatisfactoryVery GoodFair1491683.3
February 1997FairSatisfactoryVery GoodSatisfactory1400094.7
February 1995FairSatisfactoryVery GoodSatisfactory1400094.9
March 1993FairSatisfactoryVery GoodVery Good1250095.0
February 1991GoodGoodVery GoodVery Good1099590.1

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Reinforced Concrete Girder/Beamlinear ft.6596451310
Deck
Reinforced Concrete Decksq. ft.4,8404,7815810
Wearing Surfacessq. ft.4,6204,279321200
Substructure
Reinforced Concrete Columneach60600
Reinforced Concrete Abutmentlinear ft.112991300
Reinforced Concrete Pier Caplinear ft.8958400
Joints
Compression Jointlinear ft.177177000
Bearings
Elastomeric Bearingeach3636000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.220219010
Reinforced Concrete Bridge Raillinear ft.220219100