Caltrans 401 Projects

Description California Department of Transportation projects that have been issued a Clean Water Act Section 401 Certification (Water Quality Certification).
Organization California Department of Transportation Number of Projects 35
Mapped Projects https://ecoatlas.org/regions/group/103

Habitat Projects


Habitat Project Name Status County Total Acres
CDOT - Highway 101, Airport Blvd / Fulton Rd Interchange Modification Project
Plan or Permit Map
Completed Sonoma < 0.1
CDOT - Highway 101 High Occupancy Vehicle (HOV) Lane Widening and Improvements: Steele Lane to Windsor River Road Project
Plan or Permit
Completed Sonoma 0.16
CDOT – Highway 101/Highway 36, Alton Interchange
Plan or Permit Map
Completed Humboldt 12.93
CDOT - Highway 101, Mad River Bridges Replacement Project
Plan or Permit
Completed Humboldt 2.06
CDOT - Highway 101, Mendocino County Culvert Rehabilitation Project
Plan or Permit Map
Completed Mendocino 0.11
CDOT - Highway 101, Rio Dell Roadway Rehabilitation
Plan or Permit Map
Completed Humboldt < 0.1
CDOT – Highway 101, Smith River Left Turn Lane and Shoulder Widening
Plan or Permit Map
Completed Del Norte 0.45
CDOT - Highway 128 and 253 – Culvert Rehabilitation Project Phase 1
Plan or Permit Map
Completed Mendocino 0.40
CDOT - Highway 128 and 253 – Culvert Rehabilitation Project Phase 2
Plan or Permit
Completed Mendocino 0.40
CDOT - Highway 128 PM 14.30—49.28 Culvert Rehab 55 Culverts in Mendocino County
Plan or Permit
Completed Mendocino 1.35
CDOT - Highway 128 Smoot Sink Storm Damage Repair Project
Plan or Permit Map
Completed Mendocino 0.40
CDOT - Highway 12, Laguna de Santa Rosa Bridge Replacement Project
Plan or Permit Map
Completed Sonoma 1.70
CDOT – Highway 161, Lost River Bridge Replacement
Plan or Permit
Completed Siskiyou < 0.1
CDOT - Highway 1 - Greenwood Creek Bridge Replacement Project
Plan or Permit Map
Completed Mendocino 3.84
CDOT - Highway 1 – Navarro Bluffs Retreat Project
Plan or Permit Map
Completed Mendocino 0.18
CDOT - Highway 1 – Storm Damage Repair (Warren Creek Culvert) PM 40.13 Project
Plan or Permit Map
Completed Sonoma 0.36
CDOT - Highway 20 and 1 – Culvert Rehabilitation Project
Plan or Permit Map
Completed Mendocino 0.18
CDOT - Highway 20 Post Mile 0.3-24 Left Turn Lane and Shoulder Widening
Plan or Permit
Completed Mendocino 0.30
CDOT - Highway 222 Russian River Bridge Replacement
Plan or Permit Map
Completed Mendocino 1.29
CDOT - Highway 253 – Gino’s Wall
Plan or Permit
Completed Mendocino < 0.1
CDOT - Highway 299 – China Slide Safety Project
Plan or Permit
Completed Trinity < 0.1
CDOT - Highway 299 – Green Point Sink Project
Plan or Permit Map
Completed Humboldt 1.86
CDOT - Highway 3 – Hayfork Bike Lane Project
Plan or Permit Map
Completed Trinity < 0.1
CDOT - Highway 96 – Ukonom Culvert Rehabilitation Project
Plan or Permit
Completed Siskiyou < 0.1
CDOT - Maacama/ Redwood Creek Bridge
Plan or Permit
Completed Sonoma 401.0
CDOT - Route 1 Realignment Project From PM 10.7-11.3
Plan or Permit
Completed Mendocino 1.07
CDOT - State Route 101, Del Norte Culvert and Drainage Repairs
Plan or Permit
Completed Del Norte < 0.1
CDOT - State Route 101 Lagoon Slip & Slide Storm Damage Repair Project
Plan or Permit Map
Completed Humboldt 3.01
CDOT - State Route 101 Peregrine Slides Repair Project
Plan or Permit Map
Completed Mendocino < 0.1
CDOT - State Route 101 – Seaside Beach Storm Damage Repair Project
Plan or Permit Map
Completed Mendocino 0.52
CDOT - State Route 128/253 Culvert Rehabilitation Project (Phase III, Part 2)
Plan or Permit Map
Completed Mendocino 0.53
CDOT - State Route 128 Culvert Rehabilitation Project (Phase 3)
Plan or Permit Map
Completed Mendocino 0.63
CDOT - State Route 1 Anchor Bay Downdrain Reconstruction Project
Plan or Permit Map
Completed Mendocino < 0.1
CDOT - State Route 1 Estero Americano Bridge Replacement Project
Plan or Permit Map
Completed Marin, Sonoma 9.80
CDOT - State Route 299 Lupton Curve Improvement Project
Plan or Permit Map
Completed Humboldt 0.19