Estes Mill Road over Thornton River


+38.65413, -78.24506
38°39'15" N, 78°14'42" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:Estes Mill Road over Thornton River
Structure number:000000000014754
Location:0.0 Fr 211 & .10 To 600
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:26.9 ft. [8.2 m]
Total length:30.8 ft. [9.4 m]
Roadway width between curbs:19.0 ft. [5.8 m]
Deck width edge-to-edge:20.0 ft. [6.1 m]
Owner:State Highway Agency [01]
Year built:1956
Year reconstructed:2000
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Wood or Timber [8]
Wearing surface:Bituminous [6]

Latest Available Inspection: February 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:35 [as of 2014]
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:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Better than present minimum criteria [7]
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:96.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$3,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
February 2017FairSatisfactorySatisfactorySatisfactory3596.0
February 2015FairSatisfactorySatisfactorySatisfactory10978.9
February 2013GoodGoodGoodGood10978.9
February 2011FairGoodGoodSatisfactory10978.9
February 2009FairGoodVery GoodSatisfactory10978.9
February 2007FairGoodVery GoodSatisfactory10978.9
March 2005FairVery GoodVery GoodSatisfactory10978.9
February 2003FairVery GoodVery GoodSatisfactory10978.9
February 2001FairVery GoodVery GoodSatisfactory11578.9
August 1999FairVery GoodVery GoodSatisfactory11578.9
August 1997FairVery GoodVery GoodSatisfactory11578.9
August 1995FairVery GoodVery GoodSatisfactory11571.4
August 1994FairExcellentExcellentSatisfactory11570.4
April 1993PoorFairSeriousFair11520.1
April 1992PoorFairPoorFair5822.7
March 1991PoorSatisfactoryPoorSatisfactory7022.6