Bridge Type
Main Span(s): Steel continuous [4] 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: 109.7 m = 359.9 ft
Main Spans: 4 at 29.9 m = 98.1 ft
Approach Spans: 0
Skew: 15
Width, Roadway: 8.5 m = 27.9 ft (2 Lanes) and Out-To-Out: 9.1 m = 29.9 ft for a 8.5 m = 27.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: Scott County [163], Iowa [19]
Owned by County Highway Agency [02], DOT District: 0
080E20602
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: M 18 / H 20 [4]
Operating: 39.4 metric ton = 43.3 tons (Allowable Stress(AS) [2])
Inventory: 27.3 metric ton = 30.0 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Better than present minimum criteria [7]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: April 1999 [499] and Frequency: 24
Future Work
Work Needed: Other structural work: including hydraulic replacements. [38]
Bridge Detour: 3.2 km = 2.0 mi
Traffic
ADT: 70 (2018) and Trucks: 0%
Future ADT: 70 (In 2039
)
