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: Epoxy Overlay [5]
Bridge Dimensions
Length: 45.7 m = 149.9 ft
Main Spans: 3 at 15.2 m = 49.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 14 m = 45.9 ft (4 Lanes) and Out-To-Out: 16.8 m = 55.1 ft for a 14.9 m = 48.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Blissfield [09000]: Lenawee County [091], Michigan [26]
Owned by State Highway Agency [01], DOT District: 6
IN BLISSFIELD(W ADRIAN ST
Condition
Deck: Satisfactory [6]
Superstructure: Fair [5]
Substructure: Satisfactory [6]
Loading
Design: M 18 / H 20 [4]
Operating: 63.2 metric ton = 69.5 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: Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck Geometry: Basically intolerable requiring high priority of replacement [2]
Road Alignment: Meets minimum tolerable limits to be left in place as is [4]
Waterway: Equal to present minimum criteria [6] and Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Inspections
Date: June 2020 [0620] and Frequency: 24
Future Work
Work Needed:
Bridge Detour: 1.6 km = 1.0 mi
Traffic
ADT: 13979 (2015) and Trucks: 7%
Future ADT: 16075 (In 2035
)