Bridge Type
Main Span(s): Steel continuous [4] Truss - Thru [10]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 980.5 m = 3217.0 ft
Main Spans: 13 at 182.9 m = 600.1 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 16.8 m = 55.1 ft (4 Lanes) and Out-To-Out: 18.5 m = 60.7 ft for a 11 m = 36.1 ft approaching roadway.
Vertical Clearance: 5.41 m = 17.8 ft and Navigational Clearance: 14.9 m = 48.9 ft
Location
Unknown [04590]: Tazewell County [179], Illinois [17]
Owned by State Highway Agency [01], DOT District: 4
I-74 OVR ILLINOIS R
Condition
Deck: Good [7]
Superstructure: Fair [5]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 41.5 metric ton = 45.7 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 24.6 metric ton = 27.1 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: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: October 2020 [1020] and Frequency: 24
Future Work
Work Needed: Other structural work: including hydraulic replacements. [38]
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 66200 (2018) and Trucks: 6%
Future ADT: 63720 (In 2032
)