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: 12.8 m = 42.0 ft
Main Spans: 1 at 12.8 m = 42.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 14.6 m = 47.9 ft (3 Lanes) and Out-To-Out: 20.6 m = 67.6 ft for a 14.6 m = 47.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Eaton Rapids [24540]: Eaton County [045], Michigan [26]
Owned by State Highway Agency [01], DOT District: 6
IN EATON RAPIDS
Condition
Deck: Fair [5]
Superstructure: Satisfactory [6]
Substructure: Fair [5]
Loading
Design: MS 22.5 / HS 25 or greater [9]
Operating: 55.1 metric ton = 60.6 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 27.5 metric ton = 30.3 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: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Road Alignment: Equal to present minimum criteria [6]
Waterway: Meets minimum tolerable limits to be left in place as is [4] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: May 1999 [599] and Frequency: 24
Future Work
Work Needed: Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 15977 (2007) and Trucks: 5%
Future ADT: 21679 (In 2018
)