La Riviere Marsh Bridge & Marshlands Road

Construction Updates

Construction continues and is on track to be complete by Spring 2018. Marshlands Road is open, but may be down to one-lane traffic at a time with flaggers present, or by use of a temporary traffic signal. Please use caution through the work-zone and be alert for bicycles and pedestrians.

Project Description

This project, in the Don Edwards San Francisco National Wildlife Refuge in Alameda County, includes replacement of the La Riviere Marsh Bridge and rehabilitation of Marshlands Road from the bridge to Thornton Avenue. The project will provide bike lanes on Marshlands Road, new guardrail, and will include improvements at the boat launch parking area. Marshlands Road will remain open throughout construction with minor delays and traffic down to one lane.

Key Project Dates

Advertise: Spring 2017
Construction: Fall 2017 – Winter 2018

Project Photos

La Riviere Marsh Bridge

La Riviere Marsh Bridge.


Bridge replacement

Bridge replacement.

Map showing general vicinity of project
View a larger interactive map of the project area.

Project Details
Project # CA FTFW/FLAP DOED 10(3)
Project Name La Riviere Marsh Bridge & Marshland
Location Alameda County
FLMA Don Edwards San Francisco Bay National Wildlife Refuge
Status In Construction

Contact Information

Project Manager: Vince Auriemma
Phone: 720-963-3664
Email: Vince.Auriemma@dot.gov

Federal Highway Administration
Central Federal Lands Highway Division
12300 West Dakota Avenue
Lakewood, CO 80228
720-963-3500