Bridge Type
Main Span(s): Concrete continuous [2] Slab [01]
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: 39.6 m = 129.9 ft
Main Spans: 3 at 15.5 m = 50.9 ft
Approach Spans: 0
Skew: 45
Width, Roadway: 12.3 m = 40.4 ft (2 Lanes) and Out-To-Out: 13.2 m = 43.3 ft for a 10.4 m = 34.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Buchanan County [019], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
87081502
Condition
Deck: Very Good [8]
Superstructure: Very Good [8]
Substructure: Very Good [8]
Loading
Design: HL93 [A]
Operating: 72.3 metric ton = 79.5 tons (Load Factor(LF) [1])
Inventory: 43.3 metric ton = 47.6 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: Better than present minimum criteria [7] and Countermeasures have been installed to mitigate an existing problem with scour. [7]
Inspections
Date: December 2020 [1220] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 1230 (2017) and Trucks: 18%
Future ADT: 1230 (In 2040
)