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 75
Mapped Projects https://ecoatlas.org/regions/group/103

Habitat Projects


Habitat Project Name Status County Total Acres
04-3J080 Petaluma Boulevard South - San Antonio Creek Bridge Scour Mitigation Project (Mitigation)
Plan or Permit Map
Planning Sonoma 0.58
4J850_Los Trancos Creek Bridge Seismic Retrofit_ San Mateo 280
Plan or Permit Map
Planning San Mateo < 0.1
Alamitos Creek Bridge 37C0159 Replacement Project
Map
Planning Santa Clara < 0.1
CDOT - DN 101 - Dr Fine Bridge Replacement, 01-43640
Plan or Permit Map
In-progress Del Norte < 0.1
CDOT - DN, Highway 199, Inside Park Culverts
Plan or Permit Map
In-progress Del Norte < 0.1
CDOT - East Cedar Pass
Map
Completed Modoc < 0.1
CDOT - Highway 101, Airport Blvd / Fulton Rd Interchange Modification Project
Monitoring Report Plan or Permit Map
Completed Sonoma < 0.1
CDOT - Highway 101 - Eureka-Arcata Route 101 Corridor Improvement Project onsite and offsite mitigation
Monitoring Report Plan or Permit Map
Planning Humboldt 253.3
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 Little Lost Man Creek Fish Passage Project
Plan or Permit Map
Completed Humboldt 0.40
CDOT - Highway 101, Mad River Bridges Replacement Project
Monitoring Report Plan or Permit
Completed Humboldt 2.06
CDOT - Highway 101, Mendocino County Culvert Rehabilitation Project
Monitoring Report 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
Monitoring Report Plan or Permit Map
Completed Mendocino 0.40
CDOT - Highway 128 and 253 – Culvert Rehabilitation Project Phase 2
Monitoring Report 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 - Camp 20 Safety Project
Map
In-progress Mendocino < 0.1
CDOT - Highway 20 Post Mile 0.3-2.4 Left Turn Lane and Shoulder Widening
Plan or Permit
Completed Mendocino 0.30
CDOT - Highway 222 Russian River Bridge Replacement
Monitoring Report 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
Monitoring Report 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
Monitoring Report Plan or Permit
Completed Siskiyou < 0.1
CDOT - HUM 101 - Culvert Rehab/Replace Project
Monitoring Report Plan or Permit Map
In-progress Humboldt < 0.1
CDOT - HUM 101/MEN 271 Culverts, 01-48770
Plan or Permit Map
In-progress Humboldt, Mendocino < 0.1
CDOT HUM 299 Culverts 01-0F620
Plan or Permit Map
In-progress Humboldt < 0.1
CDOT - HUM, Highway 101, South Fork Eel Bridge Seismic Retrofit
Plan or Permit
In-progress Humboldt < 0.1
CDOT - HUM, Highway 299, HUM 299 Curve Improvement Project
Plan or Permit Map
Planning Humboldt < 0.1
CDOT - HUM, State Route 36, Three Bridges Project
Plan or Permit Map
In-progress Humboldt < 0.1
CDOT - LAS, State Route 44, Shalas CAPM
Plan or Permit Map
In-progress Lassen < 0.1
CDOT - Maacama/ Redwood Creek Bridge
Monitoring Report Plan or Permit
Completed Sonoma 2.95
CDOT - MEN 101 - Culvert Rehabilitation Project, 01-0K520
Plan or Permit Map
In-progress Mendocino < 0.1
CDOT - MEN 101 - Mendo Inlet Drainage Project, 01-0J340
Plan or Permit Map
In-progress Mendocino < 0.1
CDOT MEN 162 Eel River Bridge Replacement 01-0A131
Plan or Permit Map
In-progress Mendocino < 0.1
CDOT - MEN 1 -Cleone Shoulder Widening, 01-0G600
Plan or Permit Map
In-progress Mendocino < 0.1
CDOT MEN 1 Emergency Sinkhole Culvert Repair PM 84.83
Monitoring Report Plan or Permit Map
Completed Mendocino < 0.1
CDOT - MEN 1 - Navarro Drainage, 01-0E940
Plan or Permit Map
In-progress Mendocino < 0.1
CDOT - MEN 1 - Navarro Safety, 01-0C550
Plan or Permit Map
In-progress Mendocino < 0.1
CDOT - MEN 1- Pudding Creek Bridge, 01-43480
Plan or Permit Map
In-progress Mendocino < 0.1
CDOT - MEN 20 - Calpella 2 Bridges 01-0E090
Plan or Permit Map
In-progress Mendocino < 0.1
CDOT - MEN, Highway 020, Camp 20 Safety Project
Plan or Permit Map
Completed Mendocino < 0.1
CDOT - MEN, Highway 101/Highway 271 Culverts Project
Plan or Permit Map
In-progress Mendocino < 0.1
CDOT - Route 1 Realignment Project From PM 10.7-11.3
Monitoring Report Plan or Permit
Completed Mendocino 1.07
CDOT- SIS, Highway 263, Klamath River Bridge Replacement Project
Plan or Permit Map
Proposed Siskiyou < 0.1
CDOT - SIS, Highway 96, Cade and Portuguese Creek Fish Passage Project
Plan or Permit Map
In-progress Siskiyou < 0.1
CDOT - SIS, Highway 96, Culverts
Plan or Permit Map
Completed Siskiyou < 0.1
CDOT - SON, Highway 116, Left Turn and Merge
Plan or Permit Map
Completed Sonoma < 0.1
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
CDOT - TRI - 299 - Trinity Culverts Project
Map
In-progress Trinity < 0.1
CDOT - TRI 3 - Hayfork Mountain Culvert, 02-0J500
Plan or Permit Map
In-progress Trinity < 0.1
CDOT - TRI, Highway 003, Hayfork Grade Culverts
Plan or Permit Map
In-progress Trinity < 0.1
CDOT - TRI, Highway 36, Ditch Gulch Curve Improvement Project
Plan or Permit
In-progress Trinity < 0.1
CDOT - TRI - Highway 3, Hayfork Culvert 2
Map
In-progress Trinity < 0.1
CDOT - TRI, Tidy Waters
Plan or Permit Map
Planning Trinity < 0.1
DOT - HUM 254 - Myers Flat Permanent Restoration
Plan or Permit Map
In-progress < 0.1
DOT - MEN 1 - Jack Peters Bridge - 01-43484
Plan or Permit Map
In-progress Contra Costa, Mendocino < 0.1
SBD 40 Reconstruct Channel (08-1H400)
Plan or Permit Map
Completed San Bernardino < 0.1