I277 NC16 NBL over I77 NBL


+35.24449, -80.84644
35°14'40" N, 80°50'47" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I277 NC16 NBL over I77 NBL
Structure number:000000001190337
Location:0.7 MI.S.JCT.SR2074
Purpose:Carries highway overpass over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:90.9 ft. [27.7 m]
Total length:191.9 ft. [58.5 m]
Roadway width between curbs:45.6 ft. [13.9 m]
Deck width edge-to-edge:48.6 ft. [14.8 m]
Vertical clearance below bridge:16.4 ft. [5.0 m]
Skew angle:27°
Owner:State Highway Agency [01]
Year built:1972
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 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:58,000 [as of 2014]
Truck traffic:16% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Superior to present desirable criteria [9]
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]
Sufficiency rating:96.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2018FairFairSatisfactoryGood5800096.0
September 2016FairFairSatisfactoryGood5800096.0
September 2014FairFairGoodGood5800096.0
September 2012FairFairGoodGood3925095.0
September 2010FairSatisfactoryGoodSatisfactory4300095.0
September 2008FairSatisfactoryGoodSatisfactory3275095.0
October 2006FairSatisfactoryVery GoodVery Good5800095.0
July 2004FairSatisfactoryVery GoodVery Good5800095.0
May 2002FairSatisfactoryVery GoodVery Good5350095.0
May 2000FairSatisfactoryVery GoodVery Good5250095.0
April 1998FairSatisfactoryVery GoodVery Good3400095.0
June 1990FairFairVery GoodVery Good3750092.8

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.1,154145940690
Steel Protective Coatingsq. ft.10,0388,777468641152
Reinforced Concrete Decksq. ft.9,3324463,8695,0170
Reinforced Concrete Columneach109010
Reinforced Concrete Abutmentlinear ft.121556150
Reinforced Concrete Pile Cap/Footinglinear ft.2222000
Steel Pileeach1212000
Reinforced Concrete Pier Caplinear ft.2181803350
Pourable Jointlinear ft.196196000
Movable Bearingeach1801800
Steel Protective Coatingsq. ft.3600360
Fixed Bearingeach1801710
Steel Protective Coatingsq. ft.3600360
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.194191030
Other Material Bridge Raillinear ft.1941761710