Seneca HollowRd636 over South Fork Roanoke River


+37.20009, -80.24002
37°12'00" N, 80°14'24" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:Seneca HollowRd636 over South Fork Roanoke River
Structure number:000000000012246
Location:0.40-RT11; 2.10- I 81
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:75.1 ft. [22.9 m]
Total length:128.6 ft. [39.2 m]
Roadway width between curbs:15.1 ft. [4.6 m]
Deck width edge-to-edge:16.1 ft. [4.9 m]
Owner:State Highway Agency [01]
Year built:1963
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 9 / H 10 [1]
Main span material:Steel [3]
Main span design:Truss - Thru [10]
Deck type:Wood or Timber [8]
Wearing surface:Bituminous [6]

Latest Available Inspection: October 2018

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:345 [as of 2014]
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Basically intolerable requiring high priority of corrrective action [3]
Roadway alignment appraisal:Basically intolerable requiring high priority of corrrective action [3]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:16.9
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$3,088,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2018PoorSatisfactoryPoorGood34516.9
October 2017PoorSatisfactoryPoorGood34516.9
October 2016PoorSatisfactoryPoorGood34516.9
October 2015PoorSatisfactoryPoorGood34516.9
October 2014PoorSatisfactoryPoorGood26617.8
October 2013PoorSatisfactoryPoorGood26617.8
October 2012PoorSatisfactoryPoorGood26617.8
October 2011PoorGoodPoorGood26617.8
October 2010PoorGoodPoorGood26617.8
October 2009PoorGoodPoorGood26617.8
September 2008PoorGoodPoorGood26633.8
September 2007PoorVery GoodPoorGood36033.4
October 2006PoorVery GoodPoorGood36033.4
September 2005PoorVery GoodPoorGood36033.4
September 2004PoorExcellentPoorGood36033.4
October 2003PoorPoorSeriousGood36016.8
November 2002PoorPoorPoorGood36016.8
October 2001PoorPoorPoorGood30517.4
October 2000PoorFairPoorVery Good12419.4
November 1999PoorFairPoorVery Good12419.4
December 1998PoorFairPoorVery Good12419.4
April 1997PoorFairPoorVery Good12419.4
February 1996PoorFairPoorVery Good12419.4
March 1994PoorFairPoorVery Good12420.6
January 1992PoorFairSeriousVery Good12419.4
January 1991PoorFairSeriousVery Good12419.4