Under Construction: Hunter Mill Road over Colvin Run Bridge Replacement in Fairfax County

Please note: Construction began in August, read more in the news release.

Work is underway to replace the weight-restricted Hunter Mill Rd bridge over Colvin Run in Vienna! The new bridge will have two lanes separated by a median/splitter island to improve operations and safety. Scheduled completion is fall 2022. More info: https://t.co/8aYoxyriIv pic.twitter.com/VM0syYWFrG

— VDOT Northern VA �� (@VaDOTNOVA) August 23, 2021

This project is replacing the weight-restricted (ten tons) one-lane Hunter Mill Road bridge over Colvin Run. The bridge was originally built in 1974. The new bridge will have two lanes separated by a median/splitter island.

The project also includes:

• An improved trail crossing south of the bridge
• Landscaping in the median/splitter island 
• Abutments for a new trail bridge over Colvin Run (Fairfax County will construct the trail bridge in the future)

Hunter Mill Road averages 8,500 vehicles a day within the project limits based on 2019 data.

Estimated Costs
Preliminary Engineering - $1 million
Construction - $4.2 million
Total: $5.2 million

This project is financed with federal, state (including State of Good Repair funds used for bridges) and Fairfax County funding.

Benefits 

The project aims to reduce congestion and improve operations and safety.

Major Milestones 

Public Information Meeting - April 2018
Virtual Public Involvement - May/June 2020
Virtual Design Public Hearing - September 2020
Advertise for Construction - February 2021
Award Construction Contract - April 2021
Begin Construction - August 2021
Final Completion - Fall 2022