Bridge Type
Main Span(s): Steel continuous [4] Truss - Thru [10]
Approach Span(s): Steel continuous [4] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 479.5 m = 1573.2 ft
Main Spans: 3 at 115.2 m = 378.0 ft
Approach Spans: 8
Skew: 0
Width, Roadway: 8 m = 26.2 ft (2 Lanes) and Out-To-Out: 8.8 m = 28.9 ft for a 9.1 m = 29.9 ft approaching roadway.
Vertical Clearance: 4.98 m = 16.3 ft and Navigational Clearance: 14.3 m = 46.9 ft
Location
Unknown [00000]: Marshall County [123], Illinois [17]
Owned by State Highway Agency [01], DOT District: 4
9.55 MI W OF ILL 89
Condition
Deck: Satisfactory [6]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 35.3 metric ton = 38.8 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 21.1 metric ton = 23.2 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: Basically intolerable requiring high priority of corrrective action [3]
Road Alignment: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: April 2020 [0420] and Frequency: 24
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 2.3 km = 1.4 mi
Traffic
ADT: 6850 (2019) and Trucks: 8%
Future ADT: 7018 (In 2032
)
