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We invite you to comment on the draft 401 Water Quality Certification for the Adam’s Hill Bridge Replacement project in St. Louis County.
The Minnesota Department of Natural Resources proposes to replace the Adam’s Hill Bridge that conveys forest management equipment over the Ash River in St. Louis County. The existing 12’ x 43’ timber bridge will be replaced with a single span 16’ x 45’ steel-modular bridge. Old piers and abutments will be removed from the river. Rip rap will be placed along both streambanks. A two-foot wildlife bench will also be created for each streambank closer to the new bridge abutments. Wetland impacts will be mitigated at a 2:1 ratio by purchasing wetland credits.
A 401 Water Quality Certification is required when an individual, business, or property owner proposes construction-related activities near a navigable lake, river, stream, or adjacent wetland. The MPCA reviews projects to ensure they will not violate Minnesota's more protective water quality standards. The 401 certification becomes an enforceable component of the associated federal license or permits issued under the Clean Water Act.
We invite you to comment on the draft 401 Water Quality Certification for the Adam’s Hill Bridge Replacement project in St. Louis County.
The Minnesota Department of Natural Resources proposes to replace the Adam’s Hill Bridge that conveys forest management equipment over the Ash River in St. Louis County. The existing 12’ x 43’ timber bridge will be replaced with a single span 16’ x 45’ steel-modular bridge. Old piers and abutments will be removed from the river. Rip rap will be placed along both streambanks. A two-foot wildlife bench will also be created for each streambank closer to the new bridge abutments. Wetland impacts will be mitigated at a 2:1 ratio by purchasing wetland credits.
A 401 Water Quality Certification is required when an individual, business, or property owner proposes construction-related activities near a navigable lake, river, stream, or adjacent wetland. The MPCA reviews projects to ensure they will not violate Minnesota's more protective water quality standards. The 401 certification becomes an enforceable component of the associated federal license or permits issued under the Clean Water Act.
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