Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Other [00]
Deck: Wood or Timber [8] with Wearing Surface: Gravel [8]
Bridge Dimensions
Length: 28 m = 91.9 ft
Main Spans: 1 at 27.4 m = 89.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 6.2 m = 20.3 ft (2 Lanes) and Out-To-Out: 6.4 m = 21.0 ft for a 6.7 m = 22.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Jackson County [097], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
086E40705
Condition
Deck: Fair [5]
Superstructure: Poor [4]
Substructure: Fair [5]
Loading
Design:
Operating: 20 metric ton = 22.0 tons (Allowable Stress(AS) [2])
Inventory: 14.4 metric ton = 15.8 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
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: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: March 2020 [0320] and Frequency: 12
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 1.3 km = 0.8 mi
Traffic
ADT: 15 (2017) and Trucks: 0%
Future ADT: 15 (In 2040
)