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: 103 m = 337.9 ft
Main Spans: 4 at 27.6 m = 90.6 ft
Approach Spans: 0
Skew: 10
Width, Roadway: 18 m = 59.1 ft (4 Lanes) and Out-To-Out: 20.3 m = 66.6 ft for a 18 m = 59.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: McHenry County [111], Illinois [17]
Owned by State Highway Agency [01], DOT District: 1
1 M W OF IL 22
Condition
Deck: Good [7]
Superstructure: Fair [5]
Substructure: Good [7]
Loading
Design:
Operating: 59.6 metric ton = 65.6 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 35.6 metric ton = 39.2 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: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: March 2020 [0320] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 3.1 km = 1.9 mi
Traffic
ADT: 27600 (2019) and Trucks: 4%
Future ADT: 37755 (In 2032
)