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Nearby Bridges in NBI 2021: 1


SHIAWASSEE STREET over SHIAWASSEE RIVER (Route: 286)
Num:9888x
Open: no restriction [A]
Built: 2003, Reconstructed: N/A [0000]
Historic: Bridge is not eligible for the NRHP. [5]

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Rough Distance: 0.5 Miles (0.8 Kilometers)

Bridge Type
Main Span(s): Prestressed concrete [5] Box beam or girders - Multiple [05]
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: 52.7 m = 172.9 ft
Main Spans: 3 at 17.6 m = 57.7 ft
Approach Spans: 0
Skew: 13
Width, Roadway: 15.5 m = 50.9 ft (3 Lanes) and Out-To-Out: 18.1 m = 59.4 ft for a 11.9 m = 39.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Corunna [18300]: Shiawassee County [155], Michigan [26]
Owned by City or Municipal Highway Agency [04], DOT District: 4
IN THE CITY OF CORUNNA
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18 / HS 20 [5]
Operating: 73.3 metric ton = 80.6 tons (Load Factor(LF) [1])
Inventory: 43.9 metric ton = 48.3 tons (Load Factor(LF) [1])
Appraisal
Structural: Better than present minimum criteria [7]
Deck Geometry: Equal to present minimum criteria [6]
Road Alignment: Equal to present desirable criteria [8]
Waterway: Equal to present desirable criteria [8] and Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Inspections
Date: October 1999 [1099] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 1.1 km = 0.7 mi
Traffic
ADT: 13480 (2003) and Trucks: 5%
Future ADT: 18800 (In 2028 )

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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