Road Stream Crossing Site AUS_CR005

Au Sable River Watershed, Au Sable River
Hulbert Rd
Frederic Twp, Crawford County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 44.78584 , -84.75751
T28N R04W Sec 26,35
Owned by Private
Fish Passability 0
Structure is NOT Perched
Total Erosion: 0.2575 tons/year
Severity: Severe
Year Inventoried: 2013
Crossing Information
Type of Crossing: Bridge
Structure Shape: Open Bottom Square/Rectangle
Inlet Type: Other
Outlet Type: At Stream Grade
Structure Material: Wood
Structure Substrate: Mixture
General Conditions: Fair
Structure Interior: smooth
Dimensions of Structure: Length 34 ft. , Width 26 ft. , Height 7.6 ft.
Structure is NOT Perched
Structure Inlet
Water Depth: 2 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 3.08 ft./sec.
Structure Outlet
Water Depth: 2.1 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 2.46 ft./sec.
*Water Velocities were measured 0.4 ft. below Surface (with Meter)
Stream Information
Stream Flow: Less than 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: 1.5 ft.
Bankfull Width: 82 ft.
Wetted Width: 80 ft.
Water Velocity: 0.688 ft./sec. (Measured with Meter)
Dominant Substrate: Sand
Road Information
Paved County Road
Road Condition: Fair
Road Width at Culvert: 30 ft.
Location of Low Point: Other
Runoff Path: Roadway
Fill Depth: 0 ft.
Slope: Vertical
Fill Depth: 0 ft.
Slope: Vertical
Left Approach
Length: 0 ft.
Slope: Less Than 1%
Vegetation: Partial
LS Factor: 0.05
Erosion: 0 tons/year
Right Approach
Length: 516 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.503
Erosion: 0.2575 tons/year
Erosion Information
Total Erosion at Crossing: 0.2575 tons/year
Summary Information
Fish Passability 0
Fish Passage is an area of concern for this site. Not the bridge specifically, but the small dam
A future visit to this site is recommended. Dam may need to be removed
These non-native species were observerd at this site: Spotted Knapweed, possibly japanese knotweed