Bridge Type
Main Span(s): Concrete [1] Arch - Deck [11]
Approach Span(s): Concrete [1] Slab [01]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 139.6 m = 458.0 ft
Main Spans: 5 at 23.5 m = 77.1 ft
Approach Spans: 4
Skew: 0
Width, Roadway: 9.1 m = 29.9 ft (2 Lanes) and Out-To-Out: 11.1 m = 36.4 ft for a 10.4 m = 34.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Greene County [073], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
83311109
Condition
Deck: Satisfactory [6]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 65 metric ton = 71.5 tons (Load Factor(LF) [1])
Inventory: 39 metric ton = 42.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Waterway: Basically intolerable requiring high priority of corrrective action [3] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
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: 1.6 km = 1.0 mi
Traffic
ADT: 920 (2016) and Trucks: 8%
Future ADT: 920 (In 2040
)
