Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Other [00]
Deck: Wood or Timber [8] with Wearing Surface: Wood or Timber [7]
Bridge Dimensions
Length: 50.9 m = 167.0 ft
Main Spans: 1 at 50.6 m = 166.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 4.8 m = 15.7 ft (1 Lanes) and Out-To-Out: 4.9 m = 16.1 ft for a 4.3 m = 14.1 ft approaching roadway.
Vertical Clearance: 5.21 m = 17.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Sheridan County [161], Nebraska [31]
Owned by County Highway Agency [02], DOT District: 5
#20/#250 6.6S 7.5E
Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design:
Operating: 8 metric ton = 8.8 tons (Allowable Stress(AS) [2])
Inventory: 5 metric ton = 5.5 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Basically intolerable requiring high priority of replacement [2]
Deck Geometry: Equal to present desirable criteria [8]
Road Alignment: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Waterway: Better than present minimum criteria [7] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: September 1999 [999] and Frequency: 24
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 32 km = 19.8 mi
Traffic
ADT: 10 (2011) and Trucks: 0%
Future ADT: 24 (In 2033
)
