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: Bituminous [6]
Bridge Dimensions
Length: 56.7 m = 186.0 ft
Main Spans: 3 at 21.9 m = 71.9 ft
Approach Spans: 0
Skew: 9
Width, Roadway: 15.2 m = 49.9 ft (4 Lanes) and Out-To-Out: 18.8 m = 61.7 ft for a 14.9 m = 48.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [01845]: Cook County [031], Illinois [17]
Owned by City or Municipal Highway Agency [04], DOT District: 1
0.6 M E GREEN BAYP6
Condition
Deck: Poor [4]
Superstructure: Serious [3]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 56.4 metric ton = 62.0 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 33.7 metric ton = 37.1 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: Basically intolerable requiring high priority of corrrective action [3]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Superior to present desirable criteria [9] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: September 2020 [0920] and Frequency: 24
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 0.2 km = 0.1 mi
Traffic
ADT: 9650 (2018) and Trucks: 4%
Future ADT: 10000 (In 2036
)