Road Stream Crossing Site TBW_TBMO32
Thunder Bay River Watershed, Crooked Creek
County Road 487
Briley Twp,
Montmorency County
Information collected by:
Site Location
GPS Coordinates: 44.98706
, -84.14297
T30N
R2E
Sec 13
Owned by Private
Local Government
Local Government
Perch Height: 1 ft.
Total Erosion: 0.9435 tons/year
Severity: Moderate
Year Inventoried: 2017
Crossing Information
Type of Crossing: Dam
Structure Shape: Square/Rectangle
Inlet Type: Other
Outlet Type: Outlet Apron
Structure Material: Concrete
Structure Substrate: None
General Conditions: Fair
Structure Interior: smooth
Dimensions of Structure: Length 60 ft.
, Width 11.6 ft.
, Height 9 ft.
Perch Height: 1 ft.
Structure Inlet
Water Depth: 0.8 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 5.2 ft./sec.
Structure Outlet
Water Depth: 0.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 9.3 ft./sec.
*Water Velocities were measured 0.1 ft. below Surface
(with Meter)
Additional Comments
LAKE UPSTREAM (COULD NOT ACCESS RIFFLE)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 120 ft.
, Width 82 ft.
, Depth 5 ft.
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 25 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 0.3 ft.
Slope: Vertical
Downstream
Fill Depth: 0.5 ft.
Slope: Vertical
Approaches
Left Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.4711 tons/year
Right Approach
Length: 1000 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.57
Erosion: 0.4711 tons/year
Erosion Information
Total Erosion at Crossing: 0.9435 tons/year
Extent of Erosion: Minor
Location of Erosion | Erosion Dimensions | Eroded Material | Material Eroded | Total Erosion | ||
facing downstream | Length | Width | Depth | Reaching Stream? | (tons/year) | |
Left Upstream Embankment |
1.2 ft. |
1.6 ft. |
1.2 ft. |
no |
Gravel |
0.0014 |
Summary Information
Fish Passage is an area of concern for this site.
DAM
These non-native species were observerd at this site: Spotted Knapweed