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Nearby Bridges in NBI 2021: 2


TRUMAN PARKWAY over SAGINAW RV;MARTIN ST&RR (Route: 0)
Num:749x
Open: no restriction [A]
Built: 1976, Reconstructed: N/A [0000]
Historic: Historical significance is not determinable at this time. [4]

Google Streetview (If Available)

Rough Distance: 0.1 Miles (0.2 Kilometers)

Bridge Type
Main Span(s): Steel [3] Movable - Bascule [16]
Approach Span(s): Steel [3] Stringer/Multi-beam or girder [02]
Deck: Open Grating [3] with Wearing Surface:
Bridge Dimensions
Length: 369.1 m = 1211.0 ft
Main Spans: 1 at 56.4 m = 185.0 ft
Approach Spans: 10
Skew: 4
Width, Roadway: 17.1 m = 56.1 ft (4 Lanes) and Out-To-Out: 22.3 m = 73.2 ft for a 17.1 m = 56.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 9.1 m = 29.9 ft
Location
Bay City [06020]: Bay County [017], Michigan [26]
Owned by City or Municipal Highway Agency [04], DOT District: 4
IN BAY CITY
Condition
Deck: Fair [5]
Superstructure: Satisfactory [6]
Substructure: Satisfactory [6]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 56.4 metric ton = 62.0 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 33.7 metric ton = 37.1 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
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: Equal to present desirable criteria [8] and Bridge is scour critical; bridge foundations determined to be unstable. [3]
Inspections
Date: December 2020 [1220] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 21832 (2008) and Trucks: 4%
Future ADT: 39300 (In 2024 )
TRUMAN PARKWAY over WATER ST & C&ORR (Route: 0)
Num:750x
Open: no restriction [A]
Built: 1976, Reconstructed: N/A [0000]
Historic: Historical significance is not determinable at this time. [4]

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: Monolithic Concrete (concurrently placed with structural deck) [1]
Bridge Dimensions
Length: 63.7 m = 209.0 ft
Main Spans: 3 at 31.1 m = 102.0 ft
Approach Spans: 0
Skew: 99
Width, Roadway: 17 m = 55.8 ft (4 Lanes) and Out-To-Out: 22.3 m = 73.2 ft for a 17 m = 55.8 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Bay City [06020]: Bay County [017], Michigan [26]
Owned by City or Municipal Highway Agency [04], DOT District: 4
IN BAY CITY
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Good [7]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 81 metric ton = 89.1 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 48.6 metric ton = 53.5 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: 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: October 2020 [1020] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 0.6 km = 0.4 mi
Traffic
ADT: 25340 (2004) and Trucks: 4%
Future ADT: 45766 (In 2024 )

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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