Road Stream Crossing Site TBW_TBMO209

Thunder Bay River Watershed, Brush Creek
Elizabeth Street
Hillman Twp, Montmorency County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 45.06463 , -83.90587
T31N R4E Sec 23
Owned by Local Government
Structure is NOT Perched
Total Erosion: 0.1185 tons/year
Severity: Minor
Year Inventoried: 2017
Site ID
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Headwall
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: None
General Conditions: Poor
Structure Interior: smooth
Dimensions of Structure: Length 43 ft. , Width 7 ft. , Height 7 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 6.7 ft./sec.
Structure Outlet
Water Depth: 1.5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 5.4 ft./sec.
*Water Velocities were measured 0.3 ft. below Surface (with Meter)
Additional Comments
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 120 ft. , Width 120 ft. , Depth 4.3 ft.
Upstream Pond: Length 150 ft. , Width 75 ft. , Depth 2 ft.
Road Information
Paved Town Road
Road Condition: Good
Road Width at Culvert: 22 ft.
Location of Low Point: Other
Runoff Path: Ditch
Fill Depth: 0 ft.
Slope: Vertical
Fill Depth: 0 ft.
Slope: Vertical
Left Approach
Length: 0 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.22
Erosion: 0 tons/year
Right Approach
Length: 270 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.532
Erosion: 0.1045 tons/year
Erosion Information
Total Erosion at Crossing: 0.1185 tons/year
Extent of Erosion: Minor
Erosion is occurring and corrective actions can be installed to address the problem.
Location of Erosion
Erosion Dimensions
Eroded Material
Material Eroded
Total Erosion
facing downstream
Reaching Stream?
Right Downstream Embankment
10 ft.
2 ft.
1.4 ft.
Gravelly Loam
Summary Information
Fish Passage is an area of concern for this site. VELOCITY
These non-native species were observerd at this site: Reed Canary Grass