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: 84.7 m = 277.9 ft
Main Spans: 4 at 28 m = 91.9 ft
Approach Spans: 0
Skew: 2
Width, Roadway: 25.6 m = 84.0 ft (4 Lanes) and Out-To-Out: 26.6 m = 87.3 ft for a 25.6 m = 84.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [07875]: Polk County [153], Iowa [19]
Owned by State Highway Agency [01], DOT District: 1
2.0 MI. W OF IOWA #28
Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 70.5 metric ton = 77.6 tons (Load Factor(LF) [1])
Inventory: 35.4 metric ton = 38.9 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Superior to present desirable criteria [9]
Road Alignment: Equal to present minimum criteria [6]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: November 1999 [1199] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 14600 (2016) and Trucks: 0%
Future ADT: 14600 (In 2039
)
