I277 SBL over US29 & NC49


+35.22202, -80.85012
35°13'19" N, 80°51'00" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.


Name:I277 SBL over US29 & NC49
Structure number:000000001190510
Location:0.7 MI. N. JCT. I77
Purpose:Carries highway over highway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:86.0 ft. [26.2 m]
Total length:115.2 ft. [35.1 m]
Roadway width between curbs:85.0 ft. [25.9 m]
Deck width edge-to-edge:87.6 ft. [26.7 m]
Vertical clearance below bridge:19.0 ft. [5.8 m]
Skew angle:25°
Owner:State Highway Agency [01]
Year built:1987
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:2
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: August 2014 

Status:Open, no restriction [A]
Average daily traffic:42,000 [as of 2012]
Truck traffic:16% of total traffic
Deck condition:Good [7 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:Basically intolerable requiring high priority of corrrective action [3]
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:98.8 tons [89.8 metric tons]
Inventory rating:67.9 tons [61.7 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:89.9

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
August 201489.9Functionally obsoleteGoodGoodGood42000
August 201292.8Not deficientGoodGoodGood33750
August 201092.1Not deficientGoodVery GoodGood40500
September 200889.8Not deficientGoodVery GoodVery Good65000
December 200692.2Not deficientGoodVery GoodVery Good40000
July 200492.2Not deficientGoodVery GoodVery Good40000
August 200292.3Not deficientVery GoodVery GoodVery Good39000
July 200093.5Not deficientVery GoodVery GoodVery Good26000
June 199893.5Not deficientVery GoodVery GoodVery Good25650
August 199096.2Not deficientVery GoodVery GoodVery Good10400