Bouman, 36, would likely be signed to a one-year deal for the veteran minimum salary.
The Ravens held discussions with Bouman and Joey Harrington, but Harrington is now planning to visit the New Orleans Saints and continue to explore the market.
Bouman was recently cut by the Jacksonville Jaguars and worked out for the Ravens on Monday along with Harrington and former Tampa Bay Buccaneers quarterback Chris Simms.
He completed 20 of 33 passes for 275 yards and two touchdowns during the preseason.
TALKING TACKLE: The agent for free agent offensive tackle Willie Anderson said he has been talking to the Ravens.
Other teams believed to have interest in the former Cincinnati Bengals lineman include the San Diego Chargers and Chicago Bears.
ROSTER MOVES: The Ravens signed defensive tackle J’Vonne Parker to the practice squad, moving rookie wide receiver Justin Harper to the practice squad injured list.
Parker was cut Sunday from the active roster, and Harper is a seventh-round draft pick who was cut Saturday.
QUICK HIT: During the Ravens’ kickoff luncheon at M&T Bank Stadium on Tuesday, Ravens coach John Harbaugh gave a brief speech to fans.
“We’re building on that foundation, we’re not starting something new,” Harbaugh said. “You hear about all these changes and everything we’re doing. It’s nothing new.