Road Stream Crossing Site UBR_MD01

Upper Black River Watershed, Mud Creek
Black River Rd
Grant Twp, Cheboygan County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 45.47781 , -84.3219
T36N R1E Sec 28
Owned by Private
Structure is NOT Perched
Total Erosion: 0.0896 tons/year
Severity: Minor
Year Inventoried: 2015
Site ID
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Right
Road Approach - Left
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 3
Structure Shape: Round
Inlet Type: Mitered
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Mixture
General Conditions: Fair
Multiple Culverts/Spans
Culvert/Span
Width
Length
Height
Material
2
10 ft.
62 ft.
6.7 ft.
Metal
3
5.5 ft.
62 ft.
4.4 ft.
Metal
Structure Interior: corrugated
Dimensions of Structure: Length 62 ft. , Width 10 ft. , Height 6.7 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 3.1 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 0.1 ft./sec.
Structure Outlet
Water Depth: 3 ft.
Embedded Depth of Structure: 0.3 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured 1.5 ft. below Surface (with Meter)
Additional Comments
Riffle Info.- N/A too deep
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.
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 31.5 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 2.8 ft.
Slope: More than 1:2
Downstream
Fill Depth: 0.9 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 200 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.43
Erosion: 0.0896 tons/year
Right Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 tons/year
Erosion Information
Total Erosion at Crossing: 0.0896 tons/year
Extent of Erosion: Minor
Erosion is occurring and corrective actions can be installed to address the problem.
Summary Information