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: 217.3 m = 713.0 ft
Main Spans: 4 at 61.9 m = 203.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 23.8 m = 78.1 ft (6 Lanes) and Out-To-Out: 31.3 m = 102.7 ft for a 23.8 m = 78.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 1.5 m = 4.9 ft
Location
Unknown [01500]: Lee County [103], Illinois [17]
Owned by State Highway Agency [01], DOT District: 2
DIXON
Condition
Deck: Satisfactory [6]
Superstructure: Very Good [8]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 79.7 metric ton = 87.7 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 47.6 metric ton = 52.4 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Appraisal
Structural: Equal to present minimum criteria [6]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: June 2020 [0620] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 21000 (2019) and Trucks: 4%
Future ADT: 29400 (In 2040
)