MD 5 Great Mills Road Construction: What's Happening Now

If you've driven Point Lookout Road through Great Mills this year, you've probably slowed for a line of orange cones, a Verizon bucket truck, or a flagger waving you into the opposite lane somewhere between Indian Bridge Road and Great Mills Road. It's easy to look at that and think the long-promised widening project has finally started. It hasn't. What you're seeing right now is the setup work, and the actual four-lane road with the new bridge is still a construction season away.

That gap between "funded" and "built" matters if you live here, because it changes how you should read every orange sign and lane closure between now and next year.

What's Actually Out There Right Now

The work crews you're seeing on this stretch of MD 5 are relocating utilities, not widening pavement. Verizon pole relocations have been underway on and off since 2024, and as of this past spring the state's project tracker for the corridor showed additional utility companies moving overhead lines as that phase continued. That's the kind of groundwork that has to happen before a road can be widened, not the widening itself.

If you've also hit a temporary traffic signal further along Point Lookout Road this year, that's a separate job. MDOT has had a distinct bridge replacement underway at Hilton Run, using a temporary signal to alternate northbound and southbound traffic through that work zone. It's easy to fold both projects into one mental picture of "Route 5 is under construction," but the Hilton Run signal and the Great Mills utility relocations are two different efforts on the same road, moving at two different speeds.

Funded Doesn't Mean Built

In September 2025, MDOT and the State Highway Administration announced $32.4 million for the MD 5 Great Mills project in the department's Fiscal Year 2026-2031 Consolidated Transportation Program, with a $5 million federal assist that U.S. Rep. Steny Hoyer helped secure. That announcement got real coverage, and it should have. But funding a project and pouring concrete for it are two different milestones, and the state's own project timeline draws a clear line between them.

Here's how the actual sequence has run, according to the MDOT SHA project portal:

As The Enterprise reported, SHA Administrator Will Pines described the project at the September 2025 funding event as one that had been "advancing for years, but we lacked that full funding." The money is no longer the obstacle. Sequencing is. Utility lines have to move before crews can widen a roadbed, and a bridge design has to be finalized before anyone can build it.

State Delegate Brian Crosby, who represents part of St. Mary's County, called it plainly at that same event.

"For our growing community I really do think, countywide, this is the No. 1 infrastructure project and the most important infrastructure project to improve the citizens' quality of life."

That's not a hard case to make. The stretch between Indian Bridge Road and Great Mills Road carries more than 30,000 vehicles a day, and its crash rate runs 40 percent higher than the statewide average for similar roads. But recognizing the need and finishing the fix are different clocks, and the second one runs slower.

What Actually Changes Once It's Built

The bridge at the center of this project crosses the St. Mary's River and dates to 1913. It was last reconstructed in the 1950s, which means the structure carrying you across that river right now is 112 years old. When the replacement is finished, the project brings a specific set of changes to this 0.7-mile stretch:

• The St. Mary's River bridge gets rebuilt at the same grade
• MD 5 widens from two lanes to a four-lane undivided road
• Both sides get five-foot bike lanes and five-foot ADA-compliant sidewalks with new pedestrian crossing signals
• Drainage and stormwater management get upgraded, along with erosion control and stream restoration work along the river
• Right turns onto MD 5 westbound from Old Great Mills Road will be prohibited under the final design

That last point is small on paper but real for anyone who uses Old Great Mills Road to cut over toward the high school or the neighborhoods off that stretch. It's the kind of detail that doesn't make the press releases but shows up the first time you try to make that turn after construction wraps.

The state's own projections are part of why the design goes this far. Traffic through the corridor is expected to grow by roughly 26 to 27 percent by 2040 as new residential and commercial development continues in Great Mills, Lexington Park, and Leonardtown. A two-lane road with a century-old bridge wasn't built for that.

The Next Several Months, Realistically

The design phase was targeted to reach 100 percent completion this past June. Assuming that held, the fall and winter ahead should bring more of what you've already seen this year: utility crews closing out pole and line relocations, occasional single-lane closures during work hours, and periodic updates on the project portal rather than visible road-building. Construction crews moving dirt and pouring the new bridge deck is a 2027 story, not a 2026 one.

None of this means the project has stalled. Utility relocation is unglamorous work, and it's also the reason a four-lane road with a rebuilt bridge is possible at all. The state has been explicit that this phase has to clear before the next one starts, and every dated update on the project portal so far has matched that sequence.

What it does mean is that a lane closure does not necessarily mean SHA is pouring a bridge deck. Worth knowing before you plan next spring's commute around a finish line that's actually still a year out.

If you're weighing what a corridor like this means for a neighborhood you're watching in Great Mills, or you just want a straight read on what's changing here before it shows up in a portal update, Hammer & Heels Realtor is happy to talk it through.