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Nearby Bridges in NBI 2021: 2


FAS 294/OLD 66A NB over MACKINAW RIVER (Route: 0)
Num:57003500000000x
Open: no restriction [A]
Built: 1954, Reconstructed: 2000
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0 Miles (0 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface:
Bridge Dimensions
Length: 62.2 m = 204.1 ft
Main Spans: 4 at 17.4 m = 57.1 ft
Approach Spans: 0
Skew: 20
Width, Roadway: 9.6 m = 31.5 ft (2 Lanes) and Out-To-Out: 10.3 m = 33.8 ft for a 9.7 m = 31.8 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
8.45 MI S OF US 24
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 80.4 metric ton = 88.4 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 49.9 metric ton = 54.9 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: 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: November 1999 [1199] and Frequency: 48
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: 2600 (2020) and Trucks: 8%
Future ADT: 2290 (In 2032 )
TR 83 over MACKINAW RIVER (Route: 0)
Num:57490600000000x
Open: no restriction [A]
Built: 1970, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.4 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: 61 m = 200.1 ft
Main Spans: 4 at 16.2 m = 53.2 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 7.3 m = 24.0 ft (2 Lanes) and Out-To-Out: 7.9 m = 25.9 ft for a 5.5 m = 18.0 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 Town or Township Highway Agency [03], DOT District: 5
1.0 MI S LEXINGTON
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Very Good [8]
Loading
Design: MS 13.5 / HS 15 [3]
Operating: 57.7 metric ton = 63.5 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: Better than present minimum criteria [7]
Deck Geometry: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Better than present minimum criteria [7]
Waterway: Better than present minimum criteria [7] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: March 2020 [0320] 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: 0.5 km = 0.3 mi
Traffic
ADT: 425 (2020) and Trucks: 12%
Future ADT: 447 (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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