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Westbound Deck Rehab Project

The Maryland Transportation Authority (MDTA) is in the process of replacing the bridge deck surface in the right lane of the westbound span. As part of the $27 million deck rehabilitation project, work includes making deck repairs, sealing the bridge deck, and replacing existing lane-use signal gantries and steel rail posts. The right lane of the westbound span is closed 24/7.

The deck surface of the right lane has reached the end of its service life and is severely deteriorated. This presents a number of safety risks, given the frequency of patching and emergency holding patches. In one section of the lane, 75% of the area is patched and deteriorated. In much of the lane, half of the area is patched and deteriorated. Delaying this needed work would turn a deck overlay into a more involved, lengthier, and much more costly full-depth re-decking.

The MDTA is moving forward on a series of steps to shorten the duration of the project and mitigate the traffic impact on commuters, visitors, and local residents.



Significant Backups Expected St. Patrick’s, Easter Weekends; Motorists Urged to Travel Off-Peak

After a winter with crews expediting #BayBridgeWork with the help of lower traffic volumes and occasional mild temperatures, the Maryland Transportation Authority (MDTA) is preparing for an aggressive construction schedule in the coming weeks that will advance the project to rehabilitate the westbound right lane. Motorists should expect significant backups and delays as the work will coincide with increases in traffic volume that come with warmer weather.

Governor Larry Hogan’s aggressive timeline for the project, aimed at reopening all lanes of the Bay Bridge by summer, has gotten a boost over the winter. Relatively mild temperatures allowed crews to fill 13 bridge joints and all eight full-depth puncture holes with rapid set concrete. The success of those pours sets the stage to help streamline the upcoming pours of latex modified concrete (LMC) – decking material that needs temperatures of at least 45 degrees and a five-day curing process.

About 58% of the westbound span’s right lane has already received the latex modified concrete layer. After the remaining 42% of the right lane deck has been laid with latex material, the lane will be able to support traffic. As a reminder, this deck project is necessary because the westbound right lane surface has reached the end of its service life and is severely deteriorated.

Crews will continue to take advantage of good weather. Motorists should be aware that in coming weeks, mid-day westbound center lane closures may take place weekdays between the morning and afternoon rush hours. The center lane closures are necessary to give crews a safe work zone as they pour concrete onto the right lane. The center lane closures may occur Monday through Friday, any time between 10 a.m. and 2:45 p.m. daily, though the exact schedule will depend on weather, traffic volumes and work progress.

Spring Brings Progress, Travel Delays

While MDTA may adjust the construction schedule to avoid peak travel periods, motorists should allow extra travel time when crossing the bridge and expect major delays in both directions as spring approaches and traffic volumes increase.

Major weekend delays are anticipated as more people travel to the Eastern Shore for St. Patrick’s Day, Easter, spring break and warmer weekends in late April. In previous years during April, Bay Bridge motorists experienced weekend delays even when two-way traffic operations were in place to help alleviate eastbound delays. Weekend delays have the potential to extend to I-97 eastbound and the US 50/301 split westbound, even without weather impacts and incidents.

MDTA is asking motorists to plan ahead and travel the Bay Bridge during these off-peak periods:

  • St. Patrick’s Day weekend, Friday, March 13, through Sunday, March 15, the best times to travel will be before 10 a.m. and after 8 p.m.
  • Easter weekend, Thursday, April 9, through Sunday, April 12, the best times to travel will be before 10 a.m. and after 10 p.m. On Monday, April 13, the best times will be before 6 a.m. and after 6 p.m.

As always, MDTA urges drivers to stay alert in work zones, and thanks motorists and communities for their patience as this critical work advances. Also, remember that incidents or disabled vehicles can cause further backups and delays. Two-way traffic operations will be reserved for emergency situations and severe backups only. MDTA Police will continue working with Maryland State Police and local law enforcement to assist with traffic flow on US 50 and parallel routes. Bay Bridge drivers are reminded to stay on US 50 to keep local roadways open for first responders and residents.

The westbound project also includes replacement of overhead signals and steel rail posts, deck sealing and deck/joint repairs in the center and left lanes. After the right lane is reopened, this additional work will take place during overnight/off-peak closures in the 2020-2021 construction season with minimal impact on traffic. Parts of this phase will require placement of steel plates in some areas of the bridge.


QACTV - The Bay Bridge Deck Rehabilitation Project - A Closer Look:


Project News Updates:

Project Traffic Advisories:

Bay Bridge Westbound Roadwork Schedule*

Year 1: Sept. 30, 2019 - May 2020**

  • Sept 30, 2019 - April 2020
    • Right lane closed 24/7
  • May 2020
    • Right lane closures possible based on work progress
  • Summer 2020
    • Right lane fully reopened to traffic

* The above time line is for year one. The project will last two years.
** Schedule may change due to variables such as work progress and weather.


Here's what you need to know:

  • Expect major delays.
  • The right lane on the westbound Bay Bridge will be closed due to deck rehabilitation.
  • No two-way traffic opertions (one eastbound lane is directed onto westbound span for three eastbound lanes) except during emergencies.
  • Stay alert in work zones.

Additional Information:

Commuter Resources:

For Bay Bridge traffic information, call 1-877-BAYSPAN (229-7726). Sign up for email/text alerts or view real-time traffic camera images on MDTA roadways by visiting For updates on major incidents follow us on Twitter at Find us on Facebook at


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