Bridge Type
Main Span(s): Steel [3] Girder and floorbeam system [03]
Approach Span(s): Concrete [1] Arch - Deck [11]
Deck: Wood or Timber [8] with Wearing Surface:
Bridge Dimensions
Length: 186.1 m = 610.6 ft
Main Spans: 6 at 29 m = 95.1 ft
Approach Spans: 2
Skew: 0
Width, Roadway: 6 m = 19.7 ft (2 Lanes) and Out-To-Out: 6 m = 19.7 ft for a 5.8 m = 19.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Belle Prairie [04780]: Adams County [001], Illinois [17]
Owned by Town or Township Highway Agency [03], DOT District: 6
SE SEC34 T15 R9W
Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design:
Operating: 53.8 metric ton = 59.2 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 32.4 metric ton = 35.6 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: Equal to present minimum criteria [6]
Waterway: Better than present minimum criteria [7] and Countermeasures have been installed to mitigate an existing problem with scour. [7]
Inspections
Date: August 1999 [899] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 15.9 km = 9.9 mi
Traffic
ADT: 200 (2019) and Trucks: 12%
Future ADT: 622 (In 2032
)
