Bridge Type
Main Span(s): Concrete [1] Girder and floorbeam system [03]
Approach Span(s): Other [00]
Deck: Concrete Cast-in-Place [1] with Wearing Surface: Bituminous [6]
Bridge Dimensions
Length: 14 m = 45.9 ft
Main Spans: 1 at 12.2 m = 40.0 ft
Approach Spans: 0
Skew: 0
Width, Roadway: 4.9 m = 16.1 ft (2 Lanes) and Out-To-Out: 6.7 m = 22.0 ft for a 5.5 m = 18.0 ft approaching roadway.
Vertical Clearance: 99.99 m = 328.1 ft and Navigational Clearance: 0 = N/A
Location
Bethany [08020]: Gratiot County [057], Michigan [26]
Owned by County Highway Agency [02], DOT District: 4
SEC 2-11 BETHANY TWP
Condition
Deck: Fair [5]
Superstructure: Poor [4]
Substructure: Poor [4]
Loading
Design: MS 18+Mod / HS 20+Mod [6]
Operating: 14.8 metric ton = 16.3 tons (Allowable Stress(AS) [2])
Inventory: 9.1 metric ton = 10.0 tons (Allowable Stress(AS) [2])
Appraisal
Structural: Basically intolerable requiring high priority of replacement [2]
Deck Geometry: Basically intolerable requiring high priority of corrrective action [3]
Road Alignment: Meets minimum tolerable limits to be left in place as is [4]
Waterway: Somewhat better than minimum adequacy to tolerate being left in place as is [5] and "Bridge with ""unknown"" foundation that has not been evaluated for scour. [U]"
Inspections
Date: July 2020 [0720] and Frequency: 12
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: 88 (2004) and Trucks: 0%
Future ADT: 103 (In 2024
)
