Road Stream Crossing Site BL-84

Crooked River Watershed, Crooked River
Crooked River Rd
Maple River Twp, Emmet County
Information collected by:
Tip of the Mitt Watershed Council
Site Location
GPS Coordinates: 45.485979 , -84.771507
T36N R03W Sec 26
Fish Passability 0.5
Structure is NOT Perched
Total Erosion: 0.023 tons/year
Severity: Moderate
Year Inventoried: 2014
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: Mixture
General Conditions: Fair
Multiple Culverts/Spans
Culvert/Span
Width
Length
Height
Material
1
1 ft.
40.5 ft.
1.16 ft.
Metal
Structure Interior: corrugated
Dimensions of Structure: Length 40.5 ft. , Width 1 ft. , Height 1.16 ft.
Percentage Plugged: Outlet: 26% to 50%
Percentage Crushed: Outlet: 1% to 25%
Structure is NOT Perched
Structure Inlet
Water Depth: 0.08 ft.
Embedded Depth of Structure: 0.33 ft.
Water Velocity*: 0.03 ft./sec.
Structure Outlet
Water Depth: 0.16 ft.
Embedded Depth of Structure: 0.66 ft.
Water Velocity*: 0.39 ft./sec.
*Water Velocities were measured at the Surface (with Meter)
Additional Comments
(old CRA site CRR-E-2)
Stream Information
Stream Flow: Less than 1/2 Bankfull
Riffle Information
Water Depth: 0.08 ft.
Bankfull Width: 2.5 ft.
Wetted Width: 9 ft.
Water Velocity: 0.9 ft./sec. (Measured with Meter)
Dominant Substrate: Gravel
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 19.5 ft.
Location of Low Point: Other
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 7 ft.
Slope: 1:1.5
Downstream
Fill Depth: 7.66 ft.
Slope: 1:2
Approaches
Left Approach
Length: 50 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.33
Erosion: 0.0106 tons/year
Right Approach
Length: 50 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.33
Erosion: 0.0106 tons/year
Erosion Information
Total Erosion at Crossing: 0.023 tons/year
Extent of Erosion: Minor
Location of Erosion
Erosion Dimensions
Eroded Material
Material Eroded
Total Erosion
facing downstream
Length
Width
Depth
Reaching Stream?
(tons/year)
Left Approach
3.5 ft.
3 ft.
0.54 ft.
no
Loam
0.0017
Summary Information
Fish Passability 0.5
Erosion is an area of concern for this site. culvert crushed, small slight eosion
A future visit to this site is recommended. culvert crushed, small slight eosion