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Nearby Bridges in NBI 2021: 1


PORTSMOUTH RD over CHEBOYGANING CREEK (Route: 7379)
Num:9271x
Open: no restriction [A]
Built: 2006, Reconstructed: N/A [0000]
Historic: Bridge is on the NRHP. [1]

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Rough Distance: 0 Miles (0 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: Integral Concrete (separate non-modified layer of concrete added to structural deck) [2]
Bridge Dimensions
Length: 49.4 m = 162.1 ft
Main Spans: 1 at 24.7 m = 81.0 ft
Approach Spans: 1
Skew: 40
Width, Roadway: 12.2 m = 40.0 ft (2 Lanes) and Out-To-Out: 12.7 m = 41.7 ft for a 9.4 m = 30.8 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Buena Vista [11560]: Saginaw County [145], Michigan [26]
Owned by County Highway Agency [02], DOT District: 4
0.3 MI N OF BECKER ROAD
Condition
Deck: Good [7]
Superstructure: Very Good [8]
Substructure: Very Good [8]
Loading
Design: MS 18 / HS 20 [5]
Operating: 93 metric ton = 102.3 tons (Load Factor(LF) [1])
Inventory: 56 metric ton = 61.6 tons (Load Factor(LF) [1])
Appraisal
Structural: Equal to present desirable criteria [8]
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 the assessed or calculated scour condition. [8]
Inspections
Date: September 2020 [0920] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 2750 (2008) and Trucks: 5%
Future ADT: 2888 (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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