SR1711 over US421


+36.11721, -80.54507
36°07'02" N, 80°32'42" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:SR1711 over US421
Structure number:000000001970090
Location:.2 MI.S.JCT.SR1605
Purpose:Carries highway overpass over highway
Route classification:Minor Collector (Rural) [08]
Length of largest span:59.1 ft. [18.0 m]
Total length:230.0 ft. [70.1 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:28.5 ft. [8.7 m]
Vertical clearance below bridge:14.4 ft. [4.4 m]
Skew angle:15°
Owner:State Highway Agency [01]
Year built:1960
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 9 / H 10 [1]
Number of main spans:4
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: May 2015

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:3,900 [as of 2013]
Truck traffic:6% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Underclearances appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge not over waterway. [N]
Operating rating:76.9 tons [69.9 metric tons]
Inventory rating:43.9 tons [39.9 metric tons]
Sufficiency rating:53.0

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201553.0PoorFairPoorFairSD3900
May 201351.0PoorFairPoorFairSD4000
May 201149.0PoorPoorPoorFairSD4200
June 200951.0PoorFairPoorFairSD4600
September 200769.0FairFairFairFair-1800
August 200569.0FairFairFairFair-1800
July 200370.0FairSatisfactorySatisfactoryFair-1600
July 200170.0FairSatisfactorySatisfactoryFair-1200
September 199979.0FairSatisfactorySatisfactorySatisfactoryFO12000
April 199160.8FairSatisfactoryGoodGood-700