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Nearby Bridges in NBI 2021: 2


IL 56 WB over IL 47 (Route: 56)
Num:45003600000000x
Open: no restriction [A]
Built: 1961, Reconstructed: 1985
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.7 Kilometers)

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: Latex Concrete or similar additive [3]
Bridge Dimensions
Length: 63.9 m = 209.7 ft
Main Spans: 4 at 19.1 m = 62.7 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 13.6 m = 44.6 ft (3 Lanes) and Out-To-Out: 14.5 m = 47.6 ft for a 13.6 m = 44.6 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [05605]: Kane County [089], Illinois [17]
Owned by State Highway Agency [01], DOT District: 1
4 M S I-88
Condition
Deck: Satisfactory [6]
Superstructure: Fair [5]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 66.7 metric ton = 73.4 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 36 metric ton = 39.6 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: Better than present minimum criteria [7]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: June 2020 [0620] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0 km = 0.0 mi
Traffic
ADT: 17300 (2019) and Trucks: 10%
Future ADT: 11229 (In 2032 )
IL 56 EB over IL 47 (Route: 30)
Num:45003500000000x
Open: no restriction [A]
Built: 1961, Reconstructed: 1985
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.4 Miles (0.7 Kilometers)

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: Latex Concrete or similar additive [3]
Bridge Dimensions
Length: 63.9 m = 209.7 ft
Main Spans: 4 at 19.1 m = 62.7 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 9.2 m = 30.2 ft (2 Lanes) and Out-To-Out: 10.2 m = 33.5 ft for a 9.2 m = 30.2 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [05605]: Kane County [089], Illinois [17]
Owned by State Highway Agency [01], DOT District: 1
4 M S I-88
Condition
Deck: Satisfactory [6]
Superstructure: Fair [5]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 64.2 metric ton = 70.6 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 34.3 metric ton = 37.7 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: Better than present minimum criteria [7]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: June 2020 [0620] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0 km = 0.0 mi
Traffic
ADT: 11000 (2019) and Trucks: 9%
Future ADT: 6667 (In 2032 )

Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S  - Dismantled and/or in storage. L -  Severe loss of historic integrity due to alteration.

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