Bridge Type
Main Span(s): Wood or timber [7] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Wood or Timber [8] with Wearing Surface: Gravel [8]
Bridge Dimensions
Length: 11.9 m = 39.0 ft
Main Spans: 2 at 5.5 m = 18.0 ft
Approach Spans: 0
Skew: 15
Width, Roadway: 7.2 m = 23.6 ft (2 Lanes) and Out-To-Out: 7.3 m = 24.0 ft for a 7.9 m = 25.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Sac County [161], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
86361502
Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Poor [4]
Loading
Design: M 13.5 / H 15 [2]
Operating: 34.6 metric ton = 38.1 tons (Allowable Stress(AS) [2])
Inventory: 25.2 metric ton = 27.7 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: Better than present minimum criteria [7]
Waterway: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: August 2020 [0820] 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: 0.8 km = 0.5 mi
Traffic
ADT: 30 (2019) and Trucks: 0%
Future ADT: 30 (In 2040
)
