Road Stream Crossing Site TBW_TBAC167

Thunder Bay River Watershed, West Branch River
Mount Maria Road
Hawes Twp, Alcona County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.758816 , -83.568592
T27N R7E Sec 03
Owned by Private
Structure is NOT Perched
Total Erosion: 0.027 tons/year
Severity: Minor
Year Inventoried: 2017
Site ID
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Pipe Arch
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 64 ft. , Width 18 ft. , Height 11.5 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 5.5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.1 ft./sec.
Structure Outlet
Water Depth: 5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.8 ft./sec.
*Water Velocities were measured 0.6 ft. below Surface (with Meter)
Additional Comments

Southern Inlet to hubbard lake no riffle taken/young phrag noticed near 1/10 mile west of culvert on North side of road

Stream Information
Stream Flow: More than Bankfull
Upstream Pond: Length 400 ft. , Width 300 ft.
(Measured with Meter)
Dominant Substrate: Organics
Road Information
Paved County Road
Road Condition: Fair
Road Width at Culvert: 31 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 4.9 ft.
Slope: 1:2
Downstream
Fill Depth: 4.8 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0 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: 0.027 tons/year
Extent of Erosion: Minor
Notes:

FOOT TRAFFIC CAUSING EROSION

Location of Erosion
Erosion Dimensions
Eroded Material
Material Eroded
Total Erosion
facing downstream
Length
Width
Depth
Reaching Stream?
(tons/year)
Right Downstream Embankment
35 ft.
20 ft.
0.7 ft.
yes
Sand
0.027
Summary Information
Erosion is an area of concern for this site.
These non-native species were observerd at this site: Spotted Knapweed, Mullein, Queen Anne's Lace and Phragmites (possibly native)