Road Stream Crossing Site UBR_MB21

Upper Black River Watershed, Bowen Creek
Bowen Rd
Forest Twp, Cheboygan County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 45.35743 , -84.25772
T34N R1E Sec 1
Owned by Private
Structure is NOT Perched
Total Erosion: 0.6149 tons/year
Severity: Minor
Year Inventoried: 2014
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Right
Road Approach - Left
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Ellipse
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 60 ft. , Width 6 ft. , Height 3.5 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 3.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.1 ft./sec.
Structure Outlet
Water Depth: 4.5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.1 ft./sec.
*Water Velocities were measured 1 ft. below Surface (with Meter)
Additional Comments
Downstream end of culvert is completely submerged and has been for a while. Beaver dam about 20' downstream with significant dropoff and impoundment
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 0 ft. , Width 0 ft. , Depth 0 ft.
Upstream Pond: Length 15 ft. , Width 20 ft. , Depth 4 ft.
Road Information
Paved County Road
Road Condition: Fair
Road Width at Culvert: 30 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2.1 ft.
Slope: More than 1:2
Downstream
Fill Depth: 3 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0496 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.5653 tons/year
Erosion Information
Total Erosion at Crossing: 0.6149 tons/year
Summary Information
A future visit to this site is recommended. If damned area downstream removed, the RSX should be good.
These non-native species were observerd at this site: Spotted Knapweed