Bridge Type
Main Span(s): Steel [3] Truss - Thru [10]
Approach Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 128.1 m = 420.3 ft
Main Spans: 1 at 70.1 m = 230.0 ft
Approach Spans: 2
Skew: 0
Width, Roadway: 13.4 m = 44.0 ft (4 Lanes) and Out-To-Out: 19.2 m = 63.0 ft for a 13.4 m = 44.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 7.9 m = 25.9 ft
Location
Unknown [01051]: Cook County [031], Illinois [17]
Owned by State Highway Agency [01], DOT District: 1
0.2 M S 127TH ST
Condition
Deck: Satisfactory [6]
Superstructure: Poor [4]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 55.7 metric ton = 61.3 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 33.4 metric ton = 36.7 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Appraisal
Structural: Meets minimum tolerable limits to be left in place as is [4]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: July 2020 [0720] and Frequency: 12
Future Work
Work Needed:
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 18800 (2019) and Trucks: 5%
Future ADT: 18128 (In 2032
)
