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: 66.8 m = 219.2 ft
Main Spans: 2 at 35.1 m = 115.2 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 16.2 m = 53.2 ft (3 Lanes) and Out-To-Out: 22.5 m = 73.8 ft for a 16.5 m = 54.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Amity [01945]: Polk County [153], Iowa [19]
Owned by State Highway Agency [01], DOT District: 1
1.5 MI EAST OF JCT IA 28
Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Very Good [8]
Loading
Design: MS 18 / HS 20 [5]
Operating: 90.5 metric ton = 99.6 tons (Load Factor(LF) [1])
Inventory: 36.1 metric ton = 39.7 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present desirable criteria [8]
Deck Geometry: Better than present minimum criteria [7]
Road Alignment: Equal to present desirable criteria [8]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: December 2020 [1220] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 13600 (2018) and Trucks: 0%
Future ADT: 13600 (In 2040
)
