Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 78.3 m = 256.9 ft
Main Spans: 1 at 39.6 m = 129.9 ft
Approach Spans: 3
Skew: 0
Width, Roadway: 6.1 m = 20.0 ft (2 Lanes) and Out-To-Out: 6.6 m = 21.7 ft for a 11 m = 36.1 ft approaching roadway.
Vertical Clearance: 3.4 m = 11.2 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Madison County [121], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
76262506
Condition
Deck: Serious [3]
Superstructure: Serious [3]
Substructure: Fair [5]
Loading
Design:
Operating: 22.3 metric ton = 24.5 tons (Allowable Stress(AS) [2])
Inventory: 10.1 metric ton = 11.1 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Basically intolerable requiring high priority of replacement [2]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Equal to present minimum criteria [6]
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: 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: 1.4 km = 0.9 mi
Traffic
ADT: 450 (2016) and Trucks: 12%
Future ADT: 450 (In 2040
)
