Road Stream Crossing Site ST023

Sturgeon River Watershed, West Branch Sturgeon River
Circle Drive
Wilmot Twp, Cheboygan County
Information collected by:
Tip of the Mitt Watershed Council
Site Location
GPS Coordinates: 45.261533 , -84.619231
T33N R03W Sec 12
Owned by Private
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 0.678 tons/year
Severity: Minor
Year Inventoried: 2015
Site ID
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: Wingwall 10-30 Degree
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Gravel
General Conditions: Fair
Structure Interior: smooth
Dimensions of Structure: Length 17.1 ft. , Width 26 ft. , Height 4.5 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 3.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 3.5 ft./sec.
Structure Outlet
Water Depth: 2.2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 3.5 ft./sec.
*Water Velocities were measured at the Surface (with Float Test)
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.
(Measured with Meter)
Road Information
Gravel Private Road
Road Condition: Good
Road Width at Culvert: 17.1 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: 191 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.473
Erosion: 0.4254 tons/year
Right Approach
Length: 128.2 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.418
Erosion: 0.2526 tons/year
Erosion Information
Total Erosion at Crossing: 0.678 tons/year
Summary Information
Fish Passability 0.9
A future visit to this site is recommended. Bridge is no narrow for the natural width of the river
These non-native species were observerd at this site: Wild parsnip