Rock Mill Rd. over Willis River


+37.45134, -78.51239
37°27'05" N, 78°30'45" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:Rock Mill Rd. over Willis River
Structure number:000000000004077
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:30.8 ft. [9.4 m]
Total length:92.9 ft. [28.3 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:1974
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:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Wood or Timber [8]
Wearing surface:Bituminous [6]

Latest Available Inspection: January 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:218 [as of 2014]
Deck condition:Good [7 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:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Meets minimum tolerable limits to be left in place as is [4]
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 assessed or calculated scour condition. [5]
Sufficiency rating:85.3

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
January 2017FairGoodSatisfactoryGood21885.3
January 2015FairGoodSatisfactoryGood23085.3
January 2013FairGoodSatisfactoryGood18685.3
January 2011FairGoodSatisfactoryGood18085.3
January 2009FairGoodSatisfactoryGood18085.3
January 2007GoodGoodGoodGood11885.4
January 2005GoodVery GoodGoodGood11885.4
February 2003GoodVery GoodGoodGood11885.4
February 2001FairSatisfactoryGoodGood11886.4
February 1999GoodGoodGoodGood10783.4
February 1997GoodGoodGoodVery Good6591.9
March 1995GoodGoodVery GoodVery Good6591.9
May 1993GoodVery GoodVery GoodVery Good9090.9
March 1991GoodVery GoodVery GoodVery Good5692.0