+36.47106, -79.11156
36°28'16" N, 79°06'42" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NC57 over COBBS CREEK
Structure number:000000001450020
Old structure number:000000000145020 (from 1992 edition)
Location:0.3 MI. SE OF JCT. SR1313
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:68.9 ft. [21.0 m]
Total length:210.0 ft. [64.0 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:33.5 ft. [10.2 m]
Owner:State Highway Agency [01]
Year built:1963
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:3
Main spans material:Steel [3]
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: March 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:3,400 [as of 2013]
Truck traffic:7% of total traffic
Deck condition:Fair [5 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:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:82.8 tons [75.3 metric tons]
Inventory rating:49.9 tons [45.4 metric tons]
Sufficiency rating:74.5
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
March 201674.5FairFairSatisfactorySatisfactory-3400
March 201460.8FairFairGoodFair-3600
March 201260.3FairFairGoodFair-3800
March 201073.5FairSatisfactoryGoodSatisfactory-4000
April 200860.4FairSatisfactoryGoodFair-4300
March 200661.3FairSatisfactorySatisfactoryFair-3900
May 200461.3FairSatisfactorySatisfactoryFair-3900
October 200174.4FairSatisfactorySatisfactorySatisfactory-3500
September 200074.2FairSatisfactorySatisfactorySatisfactory-3600
August 199760.6FairSatisfactorySatisfactoryFair-4200
June 199575.0FairSatisfactorySatisfactorySatisfactory-3200
May 199352.8FairGoodGoodSatisfactory-4000
May 199152.8FairGoodGoodSatisfactory-4000

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Steel Girder/Beamlinear ft.840840000
Reinforced Concrete Decksq. ft.7,0357,035000
Reinforced Concrete Columneach40220
Reinforced Concrete Pile Cap/Footinglinear ft.3030000
Steel Pileeach1818000
Timber Pileeach22000
Reinforced Concrete Pier Caplinear ft.369369000
Pourable Jointlinear ft.6868000
Other Bearingeach2424000
Steel Protective Coatingsq. ft.2424000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.420420000