Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Other [00]
Deck: Open Grating [3] with Wearing Surface:
Bridge Dimensions
Length: 34.1 m = 111.9 ft
Main Spans: 1 at 34.1 m = 111.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 3.8 m = 12.5 ft (1 Lanes) and Out-To-Out: 4.1 m = 13.5 ft for a 3 m = 9.8 ft approaching roadway.
Vertical Clearance: 3.66 m = 12.0 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Frederick County [021], Maryland [24]
Owned by County Highway Agency [02], DOT District: 7
0.5 MI SW OF SIXES RD
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: M 13.5 / H 15 [2]
Operating: 31.3 metric ton = 34.4 tons (Load Factor(LF) [1])
Inventory: 18.6 metric ton = 20.5 tons (Load Factor(LF) [1])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present minimum criteria [6] and Countermeasures have been installed to mitigate an existing problem with scour. [7]
Inspections
Date: October 2020 [1020] and Frequency: 12
Future Work
Work Needed:
Bridge Detour: 0.8 km = 0.5 mi
Traffic
ADT: 156 (2020) and Trucks: 5%
Future ADT: 174 (In 2040
)
