Bridge Type
Main Span(s): Steel continuous [4] 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: 144.8 m = 475.1 ft
Main Spans: 6 at 34.1 m = 111.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 15.8 m = 51.8 ft (4 Lanes) and Out-To-Out: 20.2 m = 66.3 ft for a 20.7 m = 67.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 7.6 m = 24.9 ft
Location
Saginaw [70520]: Saginaw County [145], Michigan [26]
Owned by City or Municipal Highway Agency [04], DOT District: 4
IN CITY OF SAGINAW
Condition
Deck: Good [7]
Superstructure: Good [7]
Substructure: Satisfactory [6]
Loading
Design: MS 18 / HS 20 [5]
Operating: 49.6 metric ton = 54.6 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 29.8 metric ton = 32.8 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: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Superior to present desirable criteria [9] and Countermeasures have been installed to mitigate an existing problem with scour. [7]
Inspections
Date: May 2020 [0520] and Frequency: 12
Future Work
Work Needed:
Bridge Detour: 0.3 km = 0.2 mi
Traffic
ADT: 16546 (2014) and Trucks: 2%
Future ADT: 24587 (In 2034
)
