Bridge Type
Main Span(s): Steel continuous [4] Girder and floorbeam system [03]
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: 103.6 m = 339.9 ft
Main Spans: 3 at 39.6 m = 129.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7.9 m = 25.9 ft (1 Lanes) and Out-To-Out: 7.9 m = 25.9 ft for a 4.9 m = 16.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Alleghany County [005], Virginia [51]
Owned by State Highway Agency [01], DOT District: 8
1.2 RT 634 - 0.7 BOT CO
Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Good [7]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 79.8 metric ton = 87.8 tons (Load and Resistance Factor(LRFR) [3])
Inventory: 61.7 metric ton = 67.9 tons (Load and Resistance Factor(LRFR) [3])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: July 1999 [799] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 2.1 km = 1.3 mi
Traffic
ADT: 293 (2018) and Trucks: 1%
Future ADT: 510 (In 2035
)
