Road Stream Crossing Site EUP_MRW01

Munuscong River Watershed, East Branch Munuscong River
S Pennington Rd
Chippewa County
Information collected by:
Huron Pines
Site Location
GPS Coordinates: 46.1204969,-84.3214416
T 043N R 001 Sec 16
Fish Passability: Barrier at Most Flows
Structure is NOT Perched
Total Erosion: 1.14 tons/year
Overall Score: 25
Severity: Moderate
Date Inventoried: 8/4/2021
Road Approach - Left
Road Approach - Left
Road Approach - Right
Road Approach - Right
Upstream Conditions
Upstream Conditions
Outlet
Outlet
Downstream Conditions
Downstream Conditions
Site Sketch
Site Sketch
Crossing Information*
Type of Crossing: Culvert(s)
Number of Structures: 2
Inlet Type: Projecting
Outlet Type: At Stream Grade
Structure Material: Metal
Structure Substrate: None
General Conditions: Moderate deterioration from corrosion or abrasion (small rust flakes or indication that rust is slightly deeper than the surface level) or cracking or spalling or chipping (few minor cracks or localized chipping in the concrete). OR minor shape changes (described above).
Additional (Multiple) Structures
Structure
Width
Length
Height
Material
1
12.5 ft.
35 ft.
9 ft.
Metal
2
12.5 ft.
35 ft.
9 ft.
Metal
Structure Interior: Smooth
Is Structure Rusted through? No
Dimensions of Structure: Length 35 ft. Width 12.5 ft. Height 9 ft.
Percentage Plugged: 41% - 60% Inlet
Percentage Crushed: None or 0%
Structure is NOT Perched
Structure Inlet
Water Depth: 0.9 ft.
Embedded Depth of Structure: 0 ft.
Structure Outlet
Water Depth: 1.2 ft.
Embedded Depth of Structure: 0 ft.
Additional Comments
Wire fence for agriculture
Stream Information
Stream Flow: < Bankfull – The stream channel is more than half filled with water, but is not full.
Stream Flow Type: Perennial (if flowing during the time of assessment.)
Is Scour Pool Present? No
Is Upstream Ponding Present? No
Riffle Information
Road Information
Road Surface: Gravel
Owner: State
Road Condition: Old Pavement or Rutted, Minor cracking or rutting/ponding at crossing all or part of crossing length.
Road Core Integrity: Fair (some of the symptoms may be present, but not to an extent posing high risk to the crossing)
Road Width at Culvert: 11 ft.
Location of Low Point: At Stream
Runoff Path: Roadway
Embankments
Upstream
Fill Depth: 4.7 ft.
Slope: Moderate, 2:1, 22.5°, or 41%
Downstream
Fill Depth: 5 ft.
Slope: Moderate, 2:1, 22.5°, or 41%
Approaches
Left Approach
Length: 150 ft.
Slope: 6-10%
Vegetation: Partial, Ditch has some vegetation and some bare, eroding places.
Erosion Estimate: 0.57 tons/year
Right Approach
Length: 150 ft.
Slope: 6-10%
Vegetation: Partial, Ditch has some vegetation and some bare, eroding places.
Erosion Estimate: 0.57 tons/year
Erosion Information
Estimate of Total Erosion at Crossing: 1.14 tons/year
Summary Information
Fish Passability: Barrier at Most Flows
Is a future visit to this site recommended? No
Were any non-native species observerd at this site? Yes, Burdock, spotted knapweed.
Site Comments: Private farmland on both sides with fencing. Rep reach unable to record.
*These data are maintained in the Michigan DNR Road Stream Crossing Inventory.