Bridge Type
Main Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 57.3 m = 188.0 ft
Main Spans: 3 at 24.9 m = 81.7 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 23.1 m = 75.8 ft (6 Lanes) and Out-To-Out: 26.3 m = 86.3 ft for a 27.4 m = 89.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Mount Airy [44800]: Surry County [171], North Carolina [37]
Owned by State Highway Agency [01], DOT District: 11
100 FT.N.JCT.US52BYPASS
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 68.9 metric ton = 75.8 tons (Load Factor(LF) [1])
Inventory: 39 metric ton = 42.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: September 1999 [999] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 12000 (2015) and Trucks: 7%
Future ADT: 24000 (In 2025
)