Road Stream Crossing Site AUS_PR050
Au Sable River Watershed, East Branch Pine River
Trask Lake Rd
Hawes Twp,
Alcona County
Information collected by:
Site Location
GPS Coordinates: 44.68451
, -83.45437
T27N
R08E
Sec 34
Owned by Private
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 1.7001 tons/year
Severity: Moderate
Year Inventoried: 2013
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 1
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Sand
General Conditions: Good
Structure Interior: corrugated
Dimensions of Structure: Length 62 ft.
, Width 6 ft.
, Height 6 ft.
Percentage Crushed:
Inlet: 0%
Outlet: 0%
In Pipe: 1% to 25%
Structure is NOT Perched
Structure Inlet
Water Depth: 1.3 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 1.3 ft./sec.
Structure Outlet
Water Depth: 1.3 ft.
Embedded Depth of Structure: 0.1 ft.
Water Velocity*: 0.9 ft./sec.
*Water Velocities were measured at the Surface
(with Meter)
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 28.3 ft.
, Width 19 ft.
, Depth 2.4 ft.
Upstream Pond: Length 0 ft.
, Width 0 ft.
, Depth 0 ft.
Riffle Information
Water Depth: 0.8 ft.
Bankfull Width: 11 ft.
Wetted Width: 9.5 ft.
Water Velocity: 1.4 ft./sec.
(Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved
County Road
Road Condition: Good
Road Width at Culvert: 20 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 10 ft.
Slope: More than 1:2
Downstream
Fill Depth: 10 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: 6% to 10%
Vegetation: Heavy
LS Factor: 2.05
Erosion: 1.3554 tons/year
Right Approach
Length: 915 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.562
Erosion: 0.3397 tons/year
Erosion Information
Total Erosion at Crossing: 1.7001 tons/year
Extent of Erosion: Minor
Erosion is occurring and corrective actions can be installed to address the problem.
Location of Erosion | Erosion Dimensions | Eroded Material | Material Eroded | Total Erosion | ||
facing downstream | Length | Width | Depth | Reaching Stream? | (tons/year) | |
Right Downtream Ditch |
19 ft. |
1.5 ft. |
0.3 ft. |
yes |
Loam |
0.005 |
Summary Information
Fish Passability 0.9
A future visit to this site is recommended. To check on streambanks on outlet side.
These non-native species were observerd at this site: Autumn Olive