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

��the progress of the Hunter Mill Rd over Colvin Run bridge project in Vienna! The new two-lane bridge with a median/splitter island, improved trail crossing south of the bridge and other work is scheduled for completion this fall. Project info: https://t.co/rFaFfvoCNv pic.twitter.com/7Q48QCZEgT

— VDOT Northern VA (@VaDOTNOVA) July 22, 2022

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