Overnight lane closures on Patapsco River bridge this weekend

Two right lanes of westbound I-70 will be closed for bridge repair work.

Published on Feb. 27, 2026

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The Maryland State Highway Administration will be replacing a bridge joint on the westbound Interstate 70 bridge over the Patapsco River, resulting in overnight lane closures starting Sunday, March 1. Two right lanes will be closed from 9 p.m. to 5 a.m. each night through Friday, March 6, weather permitting.

Why it matters

The Patapsco River bridge is a critical transportation link between Baltimore and Howard County, and these lane closures will likely cause delays and congestion for drivers traveling on I-70 during the overnight hours over the next week.

The details

Crews will be working to replace a bridge joint on the westbound I-70 bridge over the Patapsco River. Two right lanes will be closed each night from 9 p.m. to 5 a.m. to facilitate the repair work.

  • The lane closures will begin at 9 p.m. on Sunday, March 1, 2026.
  • The lane closures will end at 5 a.m. on Monday, March 2, 2026.
  • The overnight lane closures are expected to continue each night through Friday, March 6, 2026, weather permitting.

The players

Maryland State Highway Administration

The state agency responsible for maintaining and improving Maryland's highway infrastructure.

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What’s next

Drivers should plan for delays and congestion on westbound I-70 near the Patapsco River bridge during the overnight hours over the next week due to the lane closures.

The takeaway

This bridge repair work is necessary to maintain the safety and integrity of a critical transportation link between Baltimore and Howard County, but it will likely cause disruptions for drivers in the area during the overnight hours.