Bridge Type
Main Span(s): Steel continuous [4] Other [00]
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: 27.4 m = 89.9 ft
Main Spans: 2 at 13.1 m = 43.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7.8 m = 25.6 ft (2 Lanes) and Out-To-Out: 7.8 m = 25.6 ft for a 7.9 m = 25.9 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
87093004
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 58.8 metric ton = 64.7 tons (Allowable Stress(AS) [2])
Inventory: 42.1 metric ton = 46.3 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: November 2020 [1120] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.8 km = 0.5 mi
Traffic
ADT: 50 (2013) and Trucks: 0%
Future ADT: 50 (In 2040
)
