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: 15.2 m = 49.9 ft
Main Spans: 1 at 14.3 m = 46.9 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 6.1 m = 20.0 ft (2 Lanes) and Out-To-Out: 7.9 m = 25.9 ft for a 11 m = 36.1 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Maple Ridge [51260]: Delta County [041], Michigan [26]
Owned by County Highway Agency [02], DOT District: 1
3.5 MI W OF USH 41
Condition
Deck: Fair [5]
Superstructure: Fair [5]
Substructure: Satisfactory [6]
Loading
Design:
Operating: 48.3 metric ton = 53.1 tons (Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading [6])
Inventory: 28.8 metric ton = 31.7 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: Meets minimum tolerable limits to be left in place as is [4]
Road Alignment: Better than present minimum criteria [7]
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 Detour: 5.5 km = 3.4 mi
Traffic
ADT: 145 (2020) and Trucks: 5%
Future ADT: 145 (In 2040
)