Case Studies

The Motor Carrier Division of the Maryland State Highway Administration (MDSHA) issues up to 150,000 oversize/overweight (OS/OW) permits per year for travel on more than 10,000 miles of roads, passing over and under approximately 5,200 bridges and underpasses. The permitted routes cross city, state...
BoardWalk Ramp and Platform with detectable warning stripe
The city of Toronto, Canada, launched the King Street Transit Pilot Project in November 2017. The purpose of the project is to improve transit reliability, capacity and speed. Giving priority to streetcars, the project does not allow personal vehicles through certain intersections along King Street...
Backed by Bridgestone, Firestone VersaBuilt tires are designed to perform across a wide variety of environments, applications and equipment to keep jobsites operating efficiently.   Tony Perrotti, operations manager for JR Hayes Corp., a site development contractor in the Pacific Northwest, has...
The widening of a road around the south end of popular Lake Winnipesaukee in Alton Bay, N.H., created a steep slope (1H:1V) adjacent to the roadway. Concern that potential erosion and washout would occur during heavy rain events made stabilization of the 52-ft slope necessary.   Project objectives...
Operating a flat saw takes skill, knowledge and endurance. It also takes having the right flat saw and the right diamond blade paired for the job. When these factors—skilled operator, flat saw and diamond blade—come together, a project even with its own unique set of circumstances can go smoothly...
Champlain bridge foundations
The new Champlain Bridge spanning 3.4 km over the St. Lawrence River between Montreal and Brossard, Quebec, is being constructed alongside the current aging Champlain Bridge. The concrete-and-steel bridge is being built with an expected lifespan of 125 years. All work is being done under the...
Column repair S.C.
In June of 2016, the South Carolina Department of Transportation (SCDOT) was in the midst of building a new interchange at the intersection of I-85/I-385 in Greenville, S.C. During construction, severe localized spalling was found on the cover concrete of one column of a two-column pier supporting...
Cranes
A nearly decade-long federal push to upgrade railroad tracks and bring high-speed rail service between the Midwest metropolises of Chicago and St. Louis is getting closer to fruition. Central Contractors Service of Crestwood, Ill., a member of the ALL Family of Companies, played a critical role in...
I-76 Work zone
As the prime highway contractor, Shelly & Sands recently installed temporary portable rumble strips (TPRS) in a work zone in Mahoning County, Ohio. The concrete joint repair project was located on I-76/I-80 eastbound, between Bailey Road and the Ohio Turnpike, in the Warren-Youngstown area.  ...
Salt brine Minnesota
The city of St. Cloud and county of Anoka in Minnesota were both looking to enhance the performance of their salt brine operations. In 2015, St. Cloud used over 81,000 gal of salt brine and purchased 2,290 tons of salt. Anoka County is responsible for maintaining and clearing snow and ice from 423...
Saferoads WA tests
Saferoads Australia, located near Melbourne in the state of Victoria, provides road safety solutions to Australia, New Zealand and the international road safety market. The company recognized the need for a solution to enhance driver awareness in work zones in order to keep road crews safe on...
Gradall’s Discovery Series crossover excavators
For most municipalities, routine highway and street repair, re-curbing and drainage work are ongoing challenges that require a lot of manpower and several machines, all of which must be financed with tight budgets.   The Jackson Township Highway Division in Stark County, Ohio, is typical. Its 13...
Hill & Smith’s Zoneguard steel barrier system
In August 2017, ITR Concession Co., which operates and maintains the Indiana Toll Road, celebrated the completion of a transformative $220-million project dubbed the 80/90 PUSH Project. The project, which included the rehabilitation of 73 miles of roadway and 53 bridges, was completed in less than...
The MTT460 easily navigates around obstacles.

The MTT460 easily navigates around obstacles.

Successful contractors wrestle with a range of factors that impact profitability—weather, tight schedules, government regulations and labor issues, to name a few. For more than 70 years, Manatts Construction Co.—headquartered in Brooklyn, Iowa—has addressed those challenges. Manatts is a...
Panels being precast under controlled conditions
The Liberty Bridge over the Monongahela River opened for traffic in 1928 and is credited (along with the Liberty Tunnel) as an instrumental door opening Pittsburgh’s yet undeveloped South Hills area to expansion. At the time, the bridge was to be the highest and costliest, and its 2,663-ft total...
Redi-Rock Limestone texture retaining walls

Redi-Rock Limestone texture retaining walls

The Lumpkin Road Reconstruction Project should have been relatively routine, but the deeper Houston’s Memorial City Redevelopment Authority dug, the more problems they encountered.   With design parameters stacking up on each other, meeting the tight budget and even tighter schedule proved...
RenewWrap
More than 100 years after initial construction, a textile plant in the Southeast serving the booming automotive industry discovered it needed to rehabilitate portions of the structure supporting the main manufacturing floor. Years of exposure to the hot, humid manufacturing environment and...
crawler crane U.S. 52 bridge
A stretch of U.S. Highway 52 is getting a new bridge to span the Mississippi River between Savanna, Ill., and Sabula, Iowa. The existing truss bridge was built back in 1932, nearly a decade before the country got involved in World War II, and has exceeded its useful life. It will be replaced with a...
3m reflective pavement marking
The Maine Turnpike Authority is a quasi-state agency that operates a 109-mile toll highway (I-95) that begins in Kittery (located on the state’s border with New Hampshire) and ends in Augusta, the state’s capital. The first section of the Maine Turnpike opened in 1947, making it the second...
The rumble strips were set out in a dual three-strip array.

The rumble strips were set out in a dual three-strip array.

Last October, Shelly & Sands, a prime highway contractor, installed RoadQuake 2F Temporary Portable Rumble Strip (TPRS) arrays in two Ohio work zones. The installation, conducted in partnership with Ohio Department of Transportation (ODOT) and Ohio Contractors Association (OCA), tested the...
Overlay Init