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: Bituminous [6]
Bridge Dimensions
Length: 13.7 m = 44.9 ft
Main Spans: 1 at 13.4 m = 44.0 ft
Approach Spans: 0
Skew: 30
Width, Roadway: 6.4 m = 21.0 ft (2 Lanes) and Out-To-Out: 7.7 m = 25.3 ft for a 9.1 m = 29.9 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Bark River [05420]: Delta County [041], Michigan [26]
Owned by County Highway Agency [02], DOT District: 1
11 MI W OF ESCANABA
Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Fair [5]
Loading
Design:
Operating: 33.7 metric ton = 37.1 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 20.1 metric ton = 22.1 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 corrrective action [3]
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: July 1999 [799] and Frequency: 24
Future Work
Work Needed: Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Bridge Detour: 0.5 km = 0.3 mi
Traffic
ADT: 444 (2020) and Trucks: 17%
Future ADT: 444 (In 2040
)
