Road Stream Crossing Site UBR_LR01

Upper Black River Watershed, Little Rainy River
S Porter Rd @ Co Rd 638
Allis Twp, Presque Isle County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 45.32542 , -84.15231
T34N R2E Sec 13, 14
Owned by Private
Fish Passability 0.9
Structure is NOT Perched
Total Erosion: 0.6038 tons/year
Severity: Moderate
Year Inventoried: 2014
Site ID
Inlet
Inlet
Outlet
Upstream Conditions
Downstream Conditions
Road Approach - Right
Road Approach - Left
Crossing Information
Type of Crossing: culvert(s)
Number of Structures: 2
Structure Shape: Round
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: Mixture
General Conditions: Good
Multiple Culverts/Spans
Culvert/Span
Width
Length
Height
Material
1
6 ft.
65 ft.
5 ft.
Metal
2
6 ft.
65 ft.
5 ft.
Metal
Structure Interior: corrugated
Dimensions of Structure: Length 65 ft. , Width 6 ft. , Height 5 ft.
Percentage Plugged: Inlet: 26% to 50% Outlet: 0% In Pipe: 26% to 50%
Structure is NOT Perched
Structure Inlet
Water Depth: 2.8 ft.
Embedded Depth of Structure: 0.6 ft.
Water Velocity*: 0.1 ft./sec.
Structure Outlet
Water Depth: 2.8 ft.
Embedded Depth of Structure: 0 ft.
Water Velocity*: 0.9 ft./sec.
*Water Velocities were measured at the Surface (with Meter)
Additional Comments
# 2 was main culvert; did not do the riffle because of deep, think flooded area
Stream Information
Stream Flow: Less than Bankfull
Scour Pool: Length 0 ft. , Width 0 ft. , Depth 0 ft.
Upstream Pond: Length 15 ft. , Width 35 ft. , Depth 5 ft.
Riffle Information
Water Depth: 0 ft.
Bankfull Width: 0 ft.
Wetted Width: 0 ft.
Water Velocity: 0 ft./sec.
Road Information
Paved County Road
Road Condition: Good
Road Width at Culvert: 34 ft.
Location of Low Point: At Stream
Runoff Path: Ditch
Embankments
Upstream
Fill Depth: 1.8 ft.
Slope: 1:2
Downstream
Fill Depth: 1.6 ft.
Slope: More than 1:2
Approaches
Left Approach
Length: 1000 ft.
Slope: Less Than 1%
Vegetation: Heavy
LS Factor: 0.05
Erosion: 0.0562 tons/year
Right Approach
Length: 874 ft.
Slope: 1% to 5%
Vegetation: Heavy
LS Factor: 0.557
Erosion: 0.5476 tons/year
Erosion Information
Total Erosion at Crossing: 0.6038 tons/year
Summary Information
Fish Passability 0.9
A future visit to this site is recommended. Yes, to clear blockage