Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Latex Concrete or similar additive [3]
Bridge Dimensions
Length: 106.2 m = 348.4 ft
Main Spans: 1 at 77.4 m = 253.9 ft
Approach Spans: 3
Skew: 0
Width, Roadway: 16.2 m = 53.2 ft (4 Lanes) and Out-To-Out: 22.6 m = 74.2 ft for a 16.2 m = 53.2 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 7 m = 23.0 ft
Location
Unknown [04920]: Cook County [031], Illinois [17]
Owned by State Highway Agency [01], DOT District: 1
1.5 M N IL 83
Condition
Deck: Satisfactory [6]
Superstructure: Serious [3]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 44.1 metric ton = 48.5 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 26.6 metric ton = 29.3 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Appraisal
Structural: Basically intolerable requiring high priority of corrrective action [3]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Better than present minimum criteria [7]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: September 2020 [0920] and Frequency: 12
Future Work
Work Needed:
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 13100 (2018) and Trucks: 5%
Future ADT: 13905 (In 2032
)