127TH ST over CAL SAG CHANNEL (Route: 83)
Num:16057000000000x
Posted for load [P]
Built: 1968, Reconstructed: 1991
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.1 Kilometers)

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: Other [9]

Bridge Dimensions
Length: 186 m = 610.3 ft
Main Spans: 1 at 120.7 m = 396.0 ft
Approach Spans: 4
Skew: 47
Width, Roadway: 16.2 m = 53.2 ft (4 Lanes) and Out-To-Out: 22.6 m = 74.2 ft for a 14.3 m = 46.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 7 m = 23.0 ft

Location
Unknown [00095]: Cook County [031], Illinois [17]
Owned by State Highway Agency [01], DOT District: 1
0.2 M E IL 83

Condition
Deck: Fair [5]
Superstructure: Poor [4]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 58.6 metric ton = 64.5 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 35.3 metric ton = 38.8 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: Meets minimum tolerable limits to be left in place as is [4]
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: May 2020 [0520] and Frequency: 12

Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 20000 (2019) and Trucks: 9%
Future ADT: 16377 (In 2032 )

IL 83 (CAL-SAG RD over TINLEY CREEK (Route: 83)
Num:16056900000000x
Open: no restriction [A]
Built: 1935, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.2 Miles (0.3 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Slab [01]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]

Bridge Dimensions
Length: 9.8 m = 32.2 ft
Main Spans: 1 at 9.4 m = 30.8 ft
Approach Spans: 0
Skew: 35
Width, Roadway: 25.4 m = 83.3 ft (8 Lanes) and Out-To-Out: 28.5 m = 93.5 ft for a 11.6 m = 38.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A

Location
Unknown [00095]: Cook County [031], Illinois [17]
Owned by State Highway Agency [01], DOT District: 1
AT 127TH ST

Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 50.5 metric ton = 55.6 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 30.1 metric ton = 33.1 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: 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: November 2020 [1120] and Frequency: 24

Future Work
Work Needed:
Bridge Detour: 0 km = 0.0 mi
Traffic
ADT: 20000 (2019) and Trucks: 9%
Future ADT: 33063 (In 2032 )