Mill Gap Rd over JACKSON RIVER


+38.37675, -79.64041
38°22'36" N, 79°38'25" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:Mill Gap Rd over JACKSON RIVER
Structure number:000000000010211
Location:1.41 RT 640 - 0.41 RT 637
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:33.1 ft. [10.1 m]
Total length:65.0 ft. [19.8 m]
Roadway width between curbs:23.0 ft. [7.0 m]
Deck width edge-to-edge:25.9 ft. [7.9 m]
Owner:State Highway Agency [01]
Year built:1931
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Number of main spans:2
Main spans material:Concrete [1]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: September 2014 

Status:Open, no restriction [A]
Average daily traffic:632 [as of 2008]
Truck traffic:7% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Fair [5 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: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]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:66.3 tons [60.3 metric tons]
Inventory rating:38.6 tons [35.1 metric tons]
Sufficiency rating:73.7

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
September 201473.7Not deficientSatisfactorySatisfactoryFair632
September 201273.7Not deficientSatisfactorySatisfactoryFair632
September 201073.7Not deficientSatisfactorySatisfactoryFair632
July 200873.7Not deficientSatisfactorySatisfactoryFair632
August 200671.8Not deficientSatisfactorySatisfactoryFair440
August 200472.0Not deficientSatisfactorySatisfactoryFair417
July 200272.0Not deficientSatisfactorySatisfactoryFair586
August 200071.0Not deficientFairFairFair590
July 199871.0Not deficientFairFairFair590
August 199671.0Not deficientFairFairFair590
July 199470.5Not deficientFairFairFair580
July 199270.5Not deficientFairFairFair555
July 199070.5Not deficientFairFairFair565