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:
Bridge Dimensions
Length: 181 m = 593.9 ft
Main Spans: 9 at 26.5 m = 86.9 ft
Approach Spans: 0
Skew: 33
Width, Roadway: 15.8 m = 51.8 ft (4 Lanes) and Out-To-Out: 18.7 m = 61.4 ft for a 15.8 m = 51.8 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Aliceville [00755]: Cook County [031], Illinois [17]
Owned by State Highway Agency [01], DOT District: 1
0.8 M N IL 83 Sibley
Condition
Deck: Satisfactory [6]
Superstructure: Serious [3]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 60.3 metric ton = 66.3 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 36.3 metric ton = 39.9 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: Equal to present desirable criteria [8]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: August 2020 [0820] 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: 0.8 km = 0.5 mi
Traffic
ADT: 17500 (2018) and Trucks: 8%
Future ADT: 13081 (In 2032
)
