I277 SBL over NC27(MCDOWELL STR.)

Map 

Facts 

Name:	I277 SBL over NC27(MCDOWELL STR.)
Structure number:	000000001190488
Location:	0.5 MI. S. JCT. NC16
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	102.0 ft. [31.1 m]
Total length:	170.0 ft. [51.8 m]
Roadway width between curbs:	62.7 ft. [19.1 m]
Deck width edge-to-edge:	65.6 ft. [20.0 m]
Vertical clearance below bridge:	16.4 ft. [5.0 m]
Skew angle:	14°
Owner:	State Highway Agency [01]
Year built:	1986
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]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	26,000 [as of 2007]
Truck traffic:	16% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Good [7 out of 9]
Scour condition:	Bridge not over waterway. [N]
Inventory rating:	69.3 tons [63.0 metric tons]
Sufficiency rating:	92.5
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$1,214,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	37,900 [as of 1997]
Truck traffic:	16% of total traffic
Deck condition:	Very Good [8 out of 9]
Superstructure condition:	Very Good [8 out of 9]
Substructure condition:	Good [7 out of 9]
Scour condition:	Bridge not over waterway. [N]
Inventory rating:	69.3 tons [63.0 metric tons]
Sufficiency rating:	91.3

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	23,800 [as of 1989]
Truck traffic:	16% of total traffic
Deck condition:	Very Good [8 out of 9]
Superstructure condition:	Very Good [8 out of 9]
Substructure condition:	Good [7 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	82.2 tons [74.7 metric tons]
Inventory rating:	42.6 tons [38.7 metric tons]
Sufficiency rating:	93.1

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