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Nearby Bridges in NBI 2021: 1


M-52 over S BR RAISIN RIVER (Route: 52)
Num:5530x
Open: no restriction [A]
Built: 1948, Reconstructed: 2006
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 [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: 39.6 m = 129.9 ft
Main Spans: 3 at 18.3 m = 60.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 18 m = 59.1 ft (5 Lanes) and Out-To-Out: 21.8 m = 71.5 ft for a 22.9 m = 75.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Adrian [00440]: Lenawee County [091], Michigan [26]
Owned by State Highway Agency [01], DOT District: 6
IN ADRIAN (N MAIN ST)
Condition
Deck: Satisfactory [6]
Superstructure: Fair [5]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 60.6 metric ton = 66.7 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 36.3 metric ton = 39.9 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 minimum criteria [6] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: July 2020 [0720] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 17411 (2007) and Trucks: 2%
Future ADT: 27518 (In 2018 )

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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