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: 42.9 m = 140.8 ft
Main Spans: 2 at 22.4 m = 73.5 ft
Approach Spans: 0
Skew: 23
Width, Roadway: 27.1 m = 88.9 ft (4 Lanes) and Out-To-Out: 27.9 m = 91.5 ft for a 27.1 m = 88.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00860]: Rock Island County [161], Illinois [17]
Owned by State Highway Agency [01], DOT District: 2
SILVIS INTERCHANGE
Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Good [7]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 65.4 metric ton = 71.9 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 39.2 metric ton = 43.1 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Superior to present desirable criteria [9]
Road Alignment: Equal to present desirable criteria [8]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: January 1999 [199] and Frequency: 48
Future Work
Work Needed:
Bridge Detour: 1.9 km = 1.2 mi
Traffic
ADT: 16400 (2017) and Trucks: 17%
Future ADT: 17900 (In 2040
)