Hume Avenue Bypass project
The Hume Avenue Bypass project will provide flood mitigation for residential homes fronting Hume Avenue. The main work is to install an alternate storm sewer along Hume Avenue to bypass the existing pipe in the backyards of the townhomes on the south side of Hume Avenue. Other work includes adding inlets on Dewitt Avenue, regrading Hume Avenue, raising the curb on both sides of Hume Avenue and installing a check valve under the parking lot of the Truist Bank at 2809 Mount Vernon Ave.
• Status: In Design
• Total Cost: $1,070,000 ($670,000 in federal grant funding)
• Funding Source: Stormwater Utility, American Rescue Plan Act grant
Check the status of the City's flood mitigation projects using this interactive map tool.
The Flood Action Alexandria team conducted field investigations in 2020 after receiving several complaints from residents due to severe flash flooding events. The bypass project was identified among several plans to mitigate flooding on Hume Avenue.
AECOM was selected as the design consultant tasked with developing an efficient, effective and constructible design.
Goals of design:
• Convey the City's standard 10-year storm event without flooding and control larger events to the maximum extent possible
• Maintain adequate drainage for small, frequent storm events, and reduce flooding in the backyards along Hume Avenue during more severe rain events
• Reduce impacts to downstream residents and explore opportunities to reduce flooding through on-site attenuation and routing
• Data collection, including survey work to map the terrain and drainage features in the project area
• Geotechnical investigation to locate utility lines
• Computer modeling to determine runoff movement and storm sewer capacity
• Civil engineering plans
On-Site: Photos from the Hume Avenue Bypass project
A visual look at progress on the Hume Avenue Bypass project.
News and Public Announcements
• Nov. 2: Portions of Hume Avenue will be closed so crews can conduct geotechnical boring work.
• Aug. 24, 2022: On-site public kickoff meeting hosted by Flood Action Alexandria team with residents
• Dec. 15, 2021: Virtual meeting with residents hosted by Flood Action Alexandria team
• November 2020: On-site community meeting with residents
For the community:
Mitch Dillon, P.E. (He/Him)
Associate Technical Project Manager
For the media:
Camila Olivares (She/Her)
Senior Communications Officer, Department of Transportation & Environmental Services