Road Stream Crossing Site ST197

Sturgeon River Watershed, Mossback Creek
Old US 27 N - Road Stop
Livingston Twp, Otsego County
Information collected by:
Tip of the Mitt Watershed Council
Site Location
GPS Coordinates: 45.07879 , -84.67472
T31N R03W Sec 16
Owned by Local Government
Fish Passability 1
Structure is NOT Perched
Total Erosion: 0.0144 tons/year
Severity: Minor
Year Inventoried: 2015
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: Bridge
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Other
Outlet Type: At Stream Grade
Structure Material: Wood
Structure Substrate: Mixture
General Conditions: Fair
Structure Interior: smooth
Dimensions of Structure: Length 5.5 ft. , Width 11.6 ft. , Height 4.7 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 0.4 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.4 ft./sec.
Structure Outlet
Water Depth: 0.7 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.4 ft./sec.
*Water Velocities were measured at the Surface (with Float Test)
Additional Comments
At Irontone Springs Trail; bridge currently closed (caution tape)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 0 ft. , Width 0 ft. , Depth 0 ft.
Upstream Pond: Length 0 ft. , Width 0 ft. , Depth 0 ft.
Riffle Information
Water Depth: 0.45 ft.
Bankfull Width: 6 ft.
Wetted Width: 2.9 ft.
Water Velocity: 0.85 ft./sec. (Measured with Float Test)
Dominant Substrate: Sand
Road Information
Gravel Town Road
Road Condition: Fair
Road Width at Culvert: 5.5 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Fill Depth: 0 ft.
Slope: Vertical
Fill Depth: 0 ft.
Slope: Vertical
Approaches
Left Approach
Length: 16 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.223
Erosion: 0.0054 tons/year
Right Approach
Length: 24 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.247
Erosion: 0.009 tons/year
Erosion Information
Total Erosion at Crossing: 0.0144 tons/year
Summary Information
Fish Passability 1