Columbia Road over Willis River


+37.66693, -78.16558
37°40'01" N, 78°09'56" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:Columbia Road over Willis River
Structure number:000000000005776
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:91.9 ft. [28.0 m]
Total length:166.7 ft. [50.8 m]
Roadway width between curbs:23.0 ft. [7.0 m]
Deck width edge-to-edge:24.0 ft. [7.3 m]
Owner:State Highway Agency [01]
Year built:1934
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Main span material:Steel [3]
Main span design:Truss - Thru [10]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: May 2018

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:550 [as of 2014]
Truck traffic:6% 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:59.3
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$926,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2018FairSatisfactorySatisfactorySatisfactory55059.3
May 2017FairSatisfactorySatisfactorySatisfactory55059.3
May 2016FairSatisfactorySatisfactorySatisfactory55059.3
May 2015FairSatisfactorySatisfactorySatisfactory55059.3
May 2014FairSatisfactorySatisfactorySatisfactory55059.3
May 2013FairSatisfactorySatisfactorySatisfactory54362.3
May 2012FairSatisfactorySatisfactorySatisfactory54362.3
May 2011FairSatisfactorySatisfactorySatisfactory54362.3
May 2010FairSatisfactorySatisfactorySatisfactory54362.3
May 2009FairSatisfactorySatisfactorySatisfactory54376.1
June 2008FairSatisfactorySatisfactorySatisfactory65576.1
May 2007FairSatisfactorySatisfactorySatisfactory64676.1
June 2006FairSatisfactorySatisfactorySatisfactory63273.1
May 2005FairSatisfactorySatisfactorySatisfactory61573.1
May 2004FairSatisfactorySatisfactorySatisfactory61375.1
June 2003FairSatisfactoryFairSatisfactory60563.3
May 2002FairSatisfactorySatisfactorySatisfactory68273.4
June 2001FairSatisfactoryFairSatisfactory67863.2
July 2000FairSatisfactoryFairSatisfactory63163.3
April 1999FairSatisfactoryFairSatisfactory63160.3
June 1998FairSatisfactoryFairSatisfactory61360.3
August 1997FairSatisfactoryFairSatisfactory61360.3
July 1996FairSatisfactoryFairSatisfactory63860.2
August 1995FairSatisfactoryFairSatisfactory63860.3
August 1994FairSatisfactoryFairSatisfactory63860.3
July 1993FairSatisfactoryFairSatisfactory46157.4
May 1992FairSatisfactoryFairSatisfactory56159.9
July 1991FairSatisfactoryFairSatisfactory56159.9