Nightly Ramp, Lane Closures on US-101, State Route 131 (Tiburon Boulevard) as Bridge Preservation Project Continues in Marin County

Published:

Schedule: Monday, Dec. 18 through the morning of Saturday, Dec. 23

MARIN COUNTY – Caltrans is scheduled to continue its bridge preservation project in December. Work will be in different locations from Monday, Dec. 18 through Friday, Dec. 22 as crews will be replacing old concrete with polyester concrete in various locations throughout the county.

Rain is in the forecast for Marin County, so work will be completed when conditions allow.

There will be various lane closures on Northbound US-101 in Novato on the bridge over Novato Creek from 8 p.m. until 6 a.m. the next mornings. There will be lane closures on Southbound US-101 in Novato on the bridge over Novato Creek from 8 p.m. until 5 a.m. the next mornings. There will be at least two lanes open for traffic on both sides of US-101.

The Northbound US-101 on-ramp to Rowland Boulevard in Novato will be closed from 8 p.m. until 6 a.m. There will be work on the Southbound US-101 off-ramp to Rowland Boulevard from 8 p.m. until 5 a.m.

Detour for Rowland Boulevard on-ramp
Take the westbound on-ramp for Rowland Boulevard
Take Southbound US-101
Take the connector ramp to Eastbound State Route 37
Take the on-ramp for Northbound US-101

Various lanes will be closed from Eastbound State Route 131 (Tiburon Boulevard) to Westbound SR-131 in Mill Valley from 10 p.m. until 6 a.m. the next mornings. The Northbound US-101 off-ramp bus stop at Eastbound SR-131 will be closed during that same time.

There will be a lane closed on the Southbound US-101 connector off-ramp to Eastbound SR-131 from 11 p.m. until 6 a.m. At least one lane will be open for traffic.

The connector loop on-ramp to Northbound US-101 from Eastbound SR-131 will be closed from 10 p.m. until 6 a.m.

Detour for US-101 connector loop on ramp
Take on-ramp to Southbound US-101
Continue to Southbound US-101
Take the off-ramp to Eastbound Redwood Highway Frontage Road
Take the on-ramp to Northbound US-101

The Sir Francis Drake off-ramp and the Redwood Highway Frontage Road on-ramp above Corte Madera Creek will be closed between 11 p.m. and 6 a.m. the following mornings.

Bus service may be affected during those hours.

First detour for Sir Francis Drake off-ramp closure in Larkspur
Take Northbound US-101 off-ramp to Second Street
Take Second Street on-ramp to Southbound US-101
From Southbound US-101, take off-ramp to Sir Francis Drake

Second detour for Sir Francis Drake off-ramp closure in Larkspur
Take Northbound US-101 off-ramp to Richmond Bridge/Francisco Boulevard
Take Bellam Boulevard to Francisco Boulevard West
Take Southbound US-101 to off-ramp at Sir Francis Drake

Changeable message and directional signs will be in place to assist motorists traveling in the area. The California Highway Patrol (CHP) will be on-site during the closures.

For real-time traffic, click on Caltrans QuickMap: http://quickmap.dot.ca.gov/

CleanCA.com | #BeWorkZoneAlert | Twitter | Facebook | YouTube |