Road Stream Crossing Site EBIO042
Au Gres River Watershed, Road Ditch
Towerline Rd
Plainfield Twp,
Iosco County
Information collected by:
Site Location
GPS Coordinates: 44.42251
, -83.78504
T23N
R5E
Sec 1 & 2
Owned by Private
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 2.7186 tons/year
Severity: Severe
Year Inventoried: 2014
Crossing Information
Type of Crossing: culvert(s)
Structure Shape: Ellipse
Inlet Type: Trash Rack
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 48 ft.
, Width 3 ft.
, Height 1.9 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 1.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
Structure Outlet
Water Depth: 1.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0 ft./sec.
*Water Velocities were measured 0.5 ft. below Surface
(with Meter)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 0 ft.
Bankfull Width: 0 ft.
Wetted Width: 0 ft.
Water Velocity: 0 ft./sec.
Road Information
Gravel
County Road
Road Condition: Good
Road Width at Culvert: 28 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1.3 ft.
Slope: More than 1:2
Downstream
Fill Depth: 0.8 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.3857 tons/year
Right Approach
Length: 585 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.517
Erosion: 2.3329 tons/year
Erosion Information
Total Erosion at Crossing: 2.7186 tons/year
Notes: None.
Summary Information
Fish Passability 0.5