Bridge Type
Main Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Wood or Timber [8] with Wearing Surface: Wood or Timber [7]
Bridge Dimensions
Length: 36.9 m = 121.1 ft
Main Spans: 3 at 12.2 m = 40.0 ft
Approach Spans: 0
Skew: 20
Width, Roadway: 7.2 m = 23.6 ft (2 Lanes) and Out-To-Out: 7.2 m = 23.6 ft for a 7.3 m = 24.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Crawford County [047], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
83401102
Condition
Deck: Good [7]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: M 13.5 / H 15 [2]
Operating: 23.1 metric ton = 25.4 tons (Allowable Stress(AS) [2])
Inventory: 19.2 metric ton = 21.1 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Better than present minimum criteria [7]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: April 1999 [499] and Frequency: 24
Future Work
Work Needed: Other structural work: including hydraulic replacements. [38]
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 30 (2012) and Trucks: 0%
Future ADT: 30 (In 2039
)