Bridge Type
Main Span(s): Steel continuous [4] Box Beam or girders - Single or Spread [06]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 299.9 m = 984.0 ft
Main Spans: 6 at 53.6 m = 175.9 ft
Approach Spans: 0
Skew: 11
Width, Roadway: 26.6 m = 87.3 ft (4 Lanes) and Out-To-Out: 28.4 m = 93.2 ft for a 26.8 m = 87.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 4.6 m = 15.1 ft
Location
Unknown [00000]: Henry County [073], Illinois [17]
Owned by State Highway Agency [01], DOT District: 2
AT ROCK ISLAND CO LN
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Good [7]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 47.6 metric ton = 52.4 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 28.5 metric ton = 31.4 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: Superior to present desirable criteria [9]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: July 1999 [799] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 1.6 km = 1.0 mi
Traffic
ADT: 13200 (2019) and Trucks: 5%
Future ADT: 17200 (In 2040
)