Bridge Type
Main Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 79.6 m = 261.2 ft
Main Spans: 3 at 29.3 m = 96.1 ft
Approach Spans: 0
Skew: 25
Width, Roadway: 11.2 m = 36.7 ft (2 Lanes) and Out-To-Out: 11.9 m = 39.0 ft for a 11 m = 36.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Allamakee County [005], Iowa [19]
Owned by State Highway Agency [01], DOT District: 2
0.6 MI. S OF Jct. SR A26
Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 53 metric ton = 58.3 tons (Load Factor(LF) [1])
Inventory: 31.1 metric ton = 34.2 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Superior to present desirable criteria [9]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: May 2020 [0520] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 3.2 km = 2.0 mi
Traffic
ADT: 1430 (2019) and Trucks: 14%
Future ADT: 1430 (In 2040
)