Craig Robertson Rd over Granand Branch


+37.24416, -79.91989
37°14'39" N, 79°55'12" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:Craig Robertson Rd over Granand Branch
Structure number:000000000021646
Location:0004GDN CTY B
Purpose:Carries highway over waterway
Route classification:Local (Urban) [19]
Length of largest span:12.5 ft. [3.8 m]
Total length:38.7 ft. [11.8 m]
Skew angle:16°
Owner:City or Municipal Highway Agency [04]
Year built:1993
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Concrete [1]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: September 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:350 [as of 1981]
Truck traffic:5% of total traffic
Structural appraisal:Better than present minimum criteria [7]
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:Shrinkage cracks, light scaling and insignificant spalling which does not expose reinforcing steel. Insignificant damage caused by drift with no misalignment and not requiring corrective action. Some minor scouring has occured near curtain walls, wingwalls or pipes. Metal culverts have a smooth symmetrical curvature with superficial corrosion and no pitting. [7]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:97.0
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$74,000

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
September 2018Good7 out of 1035097.0
September 2016Good7 out of 1035097.0
September 2014Good7 out of 1035098.0
September 2012Good7 out of 1035098.0
September 2010Good7 out of 10350100.0
September 2008Good7 out of 1035099.0
September 2006Good7 out of 10350100.0
September 2004Good7 out of 10350100.0
October 2002Good7 out of 1035081.2
February 2001Good7 out of 1035081.2
August 1998Good8 out of 1035081.2
October 1997Good9 out of 1035081.2
November 1996Good8 out of 1035081.2
November 1995Good9 out of 1035081.2
November 1994Good9 out of 1035081.2
November 1992PoorN out of 1035026.1
November 1991PoorN out of 1035041.2