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Nearby Bridges in NBI 2021: 2


I-55 BUSN LOOP over BUNN STREET (Route: 55)
Num:57006500000000x
Open: no restriction [A]
Built: 1940, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Concrete [1] Tee beam [04]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Not applicable (applies only to structures with no deck) [N]
Bridge Dimensions
Length: 9.9 m = 32.5 ft
Main Spans: 1 at 9.5 m = 31.2 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 17.7 m = 58.1 ft (4 Lanes) and Out-To-Out: 26.7 m = 87.6 ft for a 17.7 m = 58.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: McLean County [113], Illinois [17]
Owned by State Highway Agency [01], DOT District: 5
0.58 MI E OF US 51
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: M 18 / H 20 [4]
Operating: 69 metric ton = 75.9 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 41.1 metric ton = 45.2 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present desirable criteria [8]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: October 2020 [1020] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 26000 (2019) and Trucks: 5%
Future ADT: 29377 (In 2032 )
I-55 BUSN LOOP over N&S Rail Corp (Route: 55)
Num:57006400000000x
Open: no restriction [A]
Built: 1940, Reconstructed: 1987
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.2 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:
Bridge Dimensions
Length: 93.3 m = 306.1 ft
Main Spans: 5 at 20 m = 65.6 ft
Approach Spans: 0
Skew: 33
Width, Roadway: 16.1 m = 52.8 ft (4 Lanes) and Out-To-Out: 18.1 m = 59.4 ft for a 16.1 m = 52.8 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Unknown [00000]: McLean County [113], Illinois [17]
Owned by State Highway Agency [01], DOT District: 5
0.49 MI E OF US 51
Condition
Deck: Satisfactory [6]
Superstructure: Fair [5]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 77.4 metric ton = 85.1 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 40.2 metric ton = 44.2 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: Equal to present desirable criteria [8]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: October 2020 [1020] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 26000 (2019) and Trucks: 5%
Future ADT: 29377 (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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