Road Stream Crossing Site BL-07
Maple River Watershed, Unnamed tributary
W Burt Lake Rd and Raver Dr
Burt Twp,
Cheboygan County
Information collected by:
Site Location
GPS Coordinates: 45.511033
, -84.70524
T36N
R03W
Sec 17
Fish Passability 0
Perch Height: 1.1 ft.
Total Erosion: 5.3349 tons/year
Severity: Severe
Year Inventoried: 2014
Inlet
Outlet
Downstream Conditions
Upstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Square/Rectangle
Inlet Type: Wingwall 10-30 Degree
Outlet Type: Freefall into Pool
Structure Material: Metal
Structure Substrate: None
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 78 ft.
, Width 3 ft.
, Height 3 ft.
Perch Height: 1.1 ft.
Structure Inlet
Water Depth: 0.17 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.13 ft./sec.
Structure Outlet
Water Depth: 0.17 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.4 ft./sec.
*Water Velocities were measured 0.08 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 10 ft.
, Width 10 ft.
, Depth 2.17 ft.
Upstream Pond: Length 10 ft.
, Width 6 ft.
, Depth 1 ft.
Riffle Information
Water Depth: 0.2 ft.
Bankfull Width: 3.92 ft.
Wetted Width: 2.42 ft.
Water Velocity: 0.006 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 47 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 6 ft.
Slope: 1:2
Downstream
Fill Depth: 8 ft.
Slope: 1:1.5
Approaches
Left Approach
Length: 700 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.535
Erosion: 4.8489 tons/year
Right Approach
Length: 40 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.314
Erosion: 0.1626 tons/year
Erosion Information
Total Erosion at Crossing: 5.3349 tons/year
Extent of Erosion: Moderate
Location of Erosion | Erosion Dimensions | Eroded Material | Material Eroded | Total Erosion | ||
facing downstream | Length | Width | Depth | Reaching Stream? | (tons/year) | |
Left Downstream Ditch |
7 ft. |
5 ft. |
6 ft. |
yes |
Sand |
0.3234 |
Summary Information
Fish Passability 0