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I277 RAMP over I277 NBL

Map

Coordinates:
+35.22200, -80.82871
35°13'19" N, 80°49'43" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I277 RAMP over I277 NBL
Structure number:000000001190047
Location:0.3 MI. W. JCT. NC27
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:65.9 ft. [20.1 m]
Total length:150.9 ft. [46.0 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:33.5 ft. [10.2 m]
Vertical clearance above deck:16.7 ft. [5.1 m]
Vertical clearance below bridge:16.1 ft. [4.9 m]
Skew angle:25°
Owner:State Highway Agency [01]
Year built:1970
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: September 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:11,000 [as of 2013]
Truck traffic:16% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 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:Basically intolerable requiring high priority of corrrective action [3]
Underclearances appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Roadway alignment appraisal:Basically intolerable requiring high priority of corrrective action [3]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge not over waterway. [N]
Operating rating:77.9 tons [70.8 metric tons]
Inventory rating:46.9 tons [42.6 metric tons]
Sufficiency rating:61.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201661.0FairFairFairFairFO11000
September 201461.0FairFairFairFairFO11000
September 201264.0FairFairFairFairFO15575
September 201075.0FairSatisfactorySatisfactorySatisfactoryFO15575
September 200875.0FairSatisfactorySatisfactorySatisfactoryFO15575
December 200675.0FairSatisfactoryGoodGoodFO15575
January 200475.0FairSatisfactoryGoodGoodFO15575
April 200275.0FairSatisfactoryGoodGoodFO15575
March 200074.0FairFairGoodGoodFO15575
January 199271.9FairFairGoodGood-16700

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.58042415600
Steel Protective Coatingsq. ft.5,0444,82402200
Deck
Reinforced Concrete Decksq. ft.5,0595,058100
Substructure
Reinforced Concrete Abutmentlinear ft.150145050
Reinforced Concrete Pile Cap/Footinglinear ft.1616000
Steel Pileeach22000
Reinforced Concrete Pier Caplinear ft.4533750
Joints
Strip Seal Jointlinear ft.148148000
Bearings
Movable Bearingeach1212000
Fixed Bearingeach1212000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.302302000