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: 177.1 m = 581.1 ft
Main Spans: 6 at 29.6 m = 97.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 12.2 m = 40.0 ft (2 Lanes) and Out-To-Out: 13.3 m = 43.6 ft for a 13.4 m = 44.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [01490]: Louisa County [115], Iowa [19]
Owned by State Highway Agency [01], DOT District: 5
0.9 MI. N OF JCT. IOWA 92
Condition
Deck: Satisfactory [6]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 80.5 metric ton = 88.6 tons (Load Factor(LF) [1])
Inventory: 42.1 metric ton = 46.3 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: April 2020 [0420] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 2.7 km = 1.7 mi
Traffic
ADT: 2320 (2019) and Trucks: 8%
Future ADT: 2320 (In 2040
)
