Road Stream Crossing Site AUS_OG012
Au Sable River Watershed, Tributary of Harper's Creek
Heath Rd
Goodar Twp,
Ogemaw County
Information collected by:
Site Location
GPS Coordinates: 44.461561
, -83.9193
T24N
R04E
Sec 23
Owned by Private
Fish Passability 0
Perch Height: 0.7 ft.
Total Erosion: 0.4671 tons/year
Severity: Severe
Year Inventoried: 2013
Inlet
Outlet
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: Projecting
Outlet Type: Freefall into Pool
Structure Material: Metal
Structure Substrate: None
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 50.5 ft.
, Width 2 ft.
, Height 2 ft.
Perch Height: 0.7 ft.
Structure Inlet
Water Depth: 0.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.2 ft./sec.
Structure Outlet
Water Depth: 0.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.3 ft./sec.
*Water Velocities were measured at the Surface
(with Float Test)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 6 ft.
, Width 5 ft.
, Depth 1.1 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 0.1 ft.
Bankfull Width: 3 ft.
Wetted Width: 1.3 ft.
Water Velocity: 0.2 ft./sec.
(Measured with Float Test)
Dominant Substrate: Sand
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 25.5 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 2.3 ft.
Slope: More than 1:2
Downstream
Fill Depth: 2.5 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 798 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.55
Erosion: 0.3698 tons/year
Right Approach
Length: 260 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.444
Erosion: 0.0973 tons/year
Erosion Information
Total Erosion at Crossing: 0.4671 tons/year
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site.
Yes, perched outlet creates a fish passage barrier.
A future visit to this site is recommended. Because of the perched outlet creating a fish passage barrier and because a scour pool has been created.
These non-native species were observerd at this site: Sweet Clover, Spotted Knapweed, Mullein