Construction was underway last week on a retail building at The Tucson Marketplace at The Bridges, a mixed-used development that includes the University of Arizona Bioscience Park. The project is at East 36th Street and North Kino Parkway.

The University of Arizona's bioscience business park has yet to attract its first tenant, but the site's adjacent retail space is expanding.

Construction is underway on three retail shop buildings and a McDonald's restaurant at Tucson Marketplace at The Bridges, a mixed-use development near South Kino Parkway and East 36th Street that includes the Arizona Bioscience Park.

The shops - together comprising some 23,000 square feet - are about half-leased, said Eric Davis, president of Boise, Idaho-based Retail West Properties.

Retail West is developing the retail part of The Bridges, which so far includes as anchor tenants a Walmart Supercenter that opened last year and a Costco Wholesale that opened in 2011.

"We're getting good interest, because the Costco and Walmart are doing very well," Davis said.

The buildings under development will feature a mix of shopping-center staples, including cellphone stores, services such as hair salons and specialty stores, he said.

Davis said he expects the new retail spaces will be turned over to tenants by September, with some store openings in October.

The property's leasing agent, Land Advisors Organization, shows on its website that two pads near Walmart will house Sports Clips, a Sprint store, a Wienerschnitzel restaurant with a drive-thru and a Sally Beauty Supply. A pad near Costco, at the development's east end, will house a Mattress Firm store, Great Clips and Subway.

Elsewhere on the 350-acre site of The Bridges development, homebuilders KB Home and Lennar Homes are working on site preparations for a planned subdivision on the project's west side.

Meanwhile, talks continue with potential tenants for the planned UA Bio Park, which occupies the north end of The Bridges, said Bruce Wright, CEO of the UA Tech Park and UA Bio Park.

A multistory office and laboratory building has been envisioned for the project's initial phase, but nothing has been built yet.

Wright said the UA has been in talks with three possible bioscience tenants, with one still in serious discussions.

Contact Assistant Business Editor David Wichner at or 573-4181.