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Nearby Bridges in NBI 2021: 2


MILAN-OAKVILLE RD over US-23 (Route: 8102)
Num:7087x
Open: no restriction [A]
Built: 1950, 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): Steel [3] Stringer/Multi-beam or girder [02]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 43.6 m = 143.1 ft
Main Spans: 3 at 24.3 m = 79.7 ft
Approach Spans: 0
Skew: 20
Width, Roadway: 8.5 m = 27.9 ft (2 Lanes) and Out-To-Out: 10.4 m = 34.1 ft for a 10.3 m = 33.8 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Milan [53920]: Monroe County [115], Michigan [26]
Owned by State Highway Agency [01], DOT District: 6
@ WASHTENAW CO LINE
Condition
Deck: Satisfactory [6]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 87.3 metric ton = 96.0 tons (Allowable Stress(AS) [2])
Inventory: 39.1 metric ton = 43.0 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Equal to present minimum criteria [6]
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: May 1999 [599] and Frequency: 24
Future Work
Work Needed: Bridge deck replacement with only incidental widening. [37]
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 881 (1997) and Trucks: 3%
Future ADT: 430 (In 1977 )
PLANK RD over US-23 (Route: 5835)
Num:7086x
Open: no restriction [A]
Built: 1961, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

Google Streetview (If Available)

Rough Distance: 0.3 Miles (0.5 Kilometers)

Bridge Type
Main Span(s): Steel [3] 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: 89.6 m = 294.0 ft
Main Spans: 4 at 32 m = 105.0 ft
Approach Spans: 0
Skew: 40
Width, Roadway: 9.9 m = 32.5 ft (2 Lanes) and Out-To-Out: 10.6 m = 34.8 ft for a 10.3 m = 33.8 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Milan [53920]: Monroe County [115], Michigan [26]
Owned by State Highway Agency [01], DOT District: 6
0.4 MI S OF WASHTENAW COL
Condition
Deck: Fair [5]
Superstructure: Poor [4]
Substructure: Fair [5]
Loading
Design: MS 18 / HS 20 [5]
Operating: 61.9 metric ton = 68.1 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 36.9 metric ton = 40.6 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: Equal to present minimum criteria [6]
Road Alignment: Equal to present minimum criteria [6]
Waterway: N/A [N] and Bridge not over waterway. [N]
Inspections
Date: May 2020 [0520] and Frequency: 12
Future Work
Work Needed: Bridge deck replacement with only incidental widening. [37]
Bridge Detour: 0 km = 0.0 mi
Traffic
ADT: 770 (1974) and Trucks: 0%
Future ADT: 770 (In 1977 )

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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