Road Stream Crossing Site GTBAY_MLC003
East Bay Shoreline & Tributaries Watershed, Mudd Lake Creek
Cairn Hwy
Milton Twp,
Antrim County
Information collected by:
Site Location
GPS Coordinates: 44.977921
, -85.356443
T30N
R9W
Sec 23
Owned by Private
Fish Passability 0.9
Total Erosion: 0.4258 tons/year
Severity: Minor
Year Inventoried: 2020
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Left
Road Approach - Right
Crossing Information
Type of Crossing: culvert(s)
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Headwall
Outlet Type: At Stream Grade
Structure Material: Concrete
Structure Substrate: Mixture
General Conditions: Good
Structure Interior: smooth
Dimensions of Structure: Length 50 ft.
, Width 9 ft.
, Height 3.6 ft.
Structure Inlet
Water Depth: 1.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.1 ft./sec.
Structure Outlet
Water Depth: 0.7 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.1 ft./sec.
*Water Velocities were measured 0.4 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 0.3 ft.
Bankfull Width: 4.7 ft.
Wetted Width: 3.4 ft.
Water Velocity: 0.1 ft./sec.
(Measured with Meter)
Dominant Substrate: Gravel
Road Information
Paved
County Road
Road Condition: Fair
Road Width at Culvert: 23 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1.2 ft.
Slope: Vertical
Downstream
Fill Depth: 1.4 ft.
Slope: Vertical
Approaches
Left Approach
Length: 500 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.64
Erosion: 0.2433 tons/year
Right Approach
Length: 400 ft.
Slope: 1% to 5%
Vegetation: Partial
LS Factor: 0.6
Erosion: 0.1825 tons/year
Erosion Information
Total Erosion at Crossing: 0.4258 tons/year
Summary Information
Fish Passability 0.9