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:M 9 / H 10 [1]
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 2016

Good/Fair/Poor Condition:Good
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]
Sufficiency rating:89.9

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
August 201689.9GoodGoodGoodGoodFO42000
August 201489.9GoodGoodGoodGoodFO42000
August 201292.8GoodGoodGoodGood-33750
August 201092.1GoodGoodVery GoodGood-40500
September 200889.8GoodGoodVery GoodVery Good-65000
December 200692.2GoodGoodVery GoodVery Good-40000
July 200492.2GoodGoodVery GoodVery Good-40000
August 200292.3GoodVery GoodVery GoodVery Good-39000
July 200093.5GoodVery GoodVery GoodVery Good-26000
June 199893.5GoodVery GoodVery GoodVery Good-25650
August 199096.2GoodVery GoodVery GoodVery Good-10400