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: 135.6 m = 444.9 ft
Main Spans: 2 at 67.3 m = 220.8 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 5 m = 16.4 ft (1 Lanes) and Out-To-Out: 5.3 m = 17.4 ft for a 6.1 m = 20.0 ft approaching roadway.
Vertical Clearance: 4.5 m = 14.8 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Lincoln County [053], Montana [30]
Owned by County Highway Agency [02], DOT District: 1
E EDGE TROY
Condition
Deck: Good [7]
Superstructure: Fair [5]
Substructure: Satisfactory [6]
Loading
Design:
Operating: 27.2 metric ton = 29.9 tons (Allowable Stress(AS) [2])
Inventory: 18.1 metric ton = 19.9 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
Road Alignment: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: July 2020 [0720] 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: 1.1 km = 0.7 mi
Traffic
ADT: 100 (2002) and Trucks: 0%
Future ADT: 100 (In 2026
)
