I277 & NC16 NBL over I77 NBL


+35.22532, -80.86438
35°13'31" N, 80°51'52" 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:16.7 ft. [5.1 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:MS 18+Mod / HS 20+Mod [6]
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 2014 

Status:Open, no restriction [A]
Average daily traffic:58,000 [as of 2013]
Truck traffic:16% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
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]
Operating rating:70.8 tons [64.4 metric tons]
Inventory rating:41.9 tons [38.1 metric tons]
Sufficiency rating:96.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
September 201496.0Not deficientFairGoodGood58000
September 201295.0Not deficientFairGoodGood39250
September 201095.0Not deficientSatisfactoryGoodSatisfactory43000
September 200895.0Not deficientSatisfactoryGoodSatisfactory32750
October 200695.0Not deficientSatisfactoryVery GoodVery Good58000
July 200495.0Not deficientSatisfactoryVery GoodVery Good58000
May 200295.0Not deficientSatisfactoryVery GoodVery Good53500
May 200095.0Not deficientSatisfactoryVery GoodVery Good52500
April 199895.0Not deficientSatisfactoryVery GoodVery Good34000
June 199092.8Not deficientFairVery GoodVery Good37500