Bridge Type
Main Span(s): Steel continuous [4] Truss - Thru [10]
Approach Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Deck: Closed Grating [4] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 428.5 m = 1405.9 ft
Main Spans: 3 at 148.1 m = 485.9 ft
Approach Spans: 4
Skew: 0
Width, Roadway: 9.9 m = 32.5 ft (2 Lanes) and Out-To-Out: 10.9 m = 35.8 ft for a 9.9 m = 32.5 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 14.3 m = 46.9 ft
Location
Unknown [00000]: Will County [197], Illinois [17]
Owned by State Highway Agency [01], DOT District: 1
2.3 M S OF US 6
Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design:
Operating: 49.6 metric ton = 54.6 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 29.8 metric ton = 32.8 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Appraisal
Structural: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
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: August 1999 [899] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 4 km = 2.5 mi
Traffic
ADT: 24200 (2020) and Trucks: 7%
Future ADT: 36073 (In 2032
)
