Bridge Type
Main Span(s): Steel [3] Suspension [13]
Approach Span(s): Steel continuous [4] Girder and floorbeam system [03]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 1269.5 m = 4165.2 ft
Main Spans: 1 at 196.3 m = 644.1 ft
Approach Spans: 30
Skew: 0
Width, Roadway: 8.9 m = 29.2 ft (2 Lanes) and Out-To-Out: 10 m = 32.8 ft for a 12.2 m = 40.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 13.7 m = 44.9 ft
Location
Unknown [00000]: Whiteside County [195], Illinois [17]
Owned by State Highway Agency [01], DOT District: 2
1 MI W OF ILL 84
Condition
Deck: Satisfactory [6]
Superstructure: Serious [3]
Substructure: Serious [3]
Loading
Design: MS 18 / HS 20 [5]
Operating: 31.4 metric ton = 34.5 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 18.8 metric ton = 20.7 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Appraisal
Structural: Basically intolerable requiring high priority of corrrective action [3]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Better than present minimum criteria [7]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: October 2020 [1020] and Frequency: 12
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 1 km = 0.6 mi
Traffic
ADT: 12300 (2019) and Trucks: 13%
Future ADT: 14700 (In 2040
)
