Road Stream Crossing Site AUS_OG006
Au Sable River Watershed, Tributary of Mink Creek
Heath Rd
Goodar Twp,
Ogemaw County
Information collected by:
Site Location
GPS Coordinates: 44.45439
, -83.94474
T24N
R04E
Sec 21,22
Owned by Private
Fish Passability 0
Perch Height: 0.7 ft.
Total Erosion: 0.4161 tons/year
Severity: Severe
Year Inventoried: 2013
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: Fair
Structure Interior: corrugated
Dimensions of Structure: Length 54.4 ft.
, Width 1.5 ft.
, Height 1.5 ft.
Perch Height: 0.7 ft.
Structure Inlet
Water Depth: 0.5 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.1 ft./sec.
Structure Outlet
Water Depth: 0.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2 ft./sec.
*Water Velocities were measured at the Surface
(with Float Test)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Scour Pool: Length 8.8 ft.
, Width 8 ft.
, Depth 1.2 ft.
Upstream Pond: Length 8 ft.
, Width 10.5 ft.
, Depth 0.9 ft.
Riffle Information
Water Depth: 0.2 ft.
Bankfull Width: 4.5 ft.
Wetted Width: 1.5 ft.
Water Velocity: 0.5 ft./sec.
(Measured with Float Test)
Dominant Substrate: Sand
Road Information
Paved
County Road
Road Condition: Fair
Road Width at Culvert: 29.7 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 1.3 ft.
Slope: More than 1:2
Downstream
Fill Depth: 2.6 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 618.1 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.523
Erosion: 0.3172 tons/year
Right Approach
Length: 231 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.436
Erosion: 0.0989 tons/year
Erosion Information
Total Erosion at Crossing: 0.4161 tons/year
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site.
Yes, the outlet is perched and has a large scour pool and is moving quickly.
A future visit to this site is recommended. To evaluate the culvert due to it being perched quite high.
These non-native species were observerd at this site: Sweet Clover, Spotted Knapweed