DuPont Road / 721 over Doe Run


+36.66991, -79.88710
36°40'12" N, 79°53'14" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:DuPont Road / 721 over Doe Run
Structure number:000000000010176
Location:0.07-Rte801; 0.32-end mnt
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:10.2 ft. [3.1 m]
Total length:21.0 ft. [6.4 m]
Skew angle:10°
Owner:State Highway Agency [01]
Year built:1941
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Number of main spans:2
Main spans material:Concrete [1]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: April 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:994 [as of 2014]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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]
Culvert condition:Moderate to major deterioration or disintegration, extensive cracking and leaching or spalls on concrete or masonry walls and slabs. Minor settlement or misalignment. Noticeable scouring or erosion at curtain walls, wingwalls or pipes. Metal culverts have significant distortion and deflection in one section, significant corrosion or deep pitting. [5]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:70.4
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$557,000

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
April 2017Fair5 out of 1099470.4
April 2015Fair5 out of 1099470.4
April 2013Fair5 out of 1076172.9
April 2011Fair5 out of 1076172.9
April 2009Fair5 out of 1076172.9
May 2007Fair6 out of 1076187.9
May 2005Fair6 out of 10241280.0
May 2003Fair6 out of 10241277.0
June 2001Fair6 out of 10241277.0
April 1999Fair6 out of 10265297.0
June 1997Fair6 out of 10265297.0
May 1995Good8 out of 10634297.0
May 1993Good8 out of 10704497.0
April 1991Good8 out of 10704496.4