Culvert RepairRehabilitation

Liner provides cost-effective culvert repair
Case Studies February 25, 2019
The city of Troy, Mich., is located among Metropolitan Detroit’s northern suburbs in Oakland County. It currently maintains a network of more than 350 miles of local, major and county roads under the jurisdiction of its public works department.   The city has a regular inspection program for its...
Figure 1 PileMedic St. Louis

Figure 1

Article January 07, 2019
In the late 1980s, the author introduced the concept of repair and strengthening of structures using fiber reinforced polymer (FRP) products. The original concept uses a technique referred to as wet layup. Fabrics of carbon or glass typically 12 to 48 in. wide are saturated with an epoxy resin in...
Florida DOT builds new box culvert from within
Case Studies January 04, 2019
The Florida Department of Transportation (FDOT) knew that the big box culvert running under State Road 64 in downtown Bradenton, Fla., either had to be replaced or rehabilitated—the question was how.    “We’re not even sure how old this culvert is, but judging by the square, twisted rebar, it...
Rescuing Crumbling Culverts
Case Studies December 07, 2018
During a routine annual inspection in 2013, Grottoes, Va.—a town of 2,600 noted for its proximity to Grand Caverns, America’s oldest show cave—discovered severe corrosion in portions of its storm water system.   A large set of elliptical CMP culverts did not pass inspection—they were in poor...
City saves twin culverts & major arterial roadway with trenchless solution
Case Studies November 09, 2018
Aware of aging and deteriorating infrastructure, the city of Aurora, Colo., contracted with Wilson & Co. Inc. Eng. & Architects to conduct a comprehensive condition assessment of Aurora Water’s corrugated metal pipe (CMP) storm water infrastructure and assess various rehabilitation methods...
Completed CC8 invert rehab, with sealed edges
Case Studies July 24, 2018
On highway M-20, east of New Era, Mich., a 70-ft metal plate arch culvert was experiencing moderate to severe section loss in the invert from corrosion and abrasion. The steep decline in condition due to corrosion was attributed to the intermittently flowing creek and the invert’s frequent exposure...
Hwy. 67 culvert redesign in Wis. to aid aquatic habitat
News December 08, 2017
Fishing is a pretty big deal in certain parts of Wisconsin, and one of those parts is Fond du Lac County. According to a story by local Fox affiliate 11, the shoreline of the 423-acre Long Lake is an excellent spot for all kinds of catch.   “Crappies, bluegill, perch, walleye, northern [pike] and...
Top Road No. 4 2017
Article October 05, 2017
Reducing delivery time on a major road project by 17 years was not a reality the team at the Ohio Department Transportation (ODOT) thought could ever be achievable. That is, until they entered into their first public-private partnership (P3) to complete the 16-mile-long bypass of Portsmouth known...
Corroded culvert
Case Studies July 27, 2017
In January 2016, the Colorado Department of Transportation (CDOT) placed a project for public bid which included repair of several large-diameter highway culverts and a single box culvert. CDOT had specified a spray-applied culvert lining under a special revision to Section 603 of their standard...
The Gulfport-Biloxi International Airport, Snap-Tite pipe system
Case Studies May 26, 2017
The Gulfport-Biloxi International Airport in Gulfport, Miss., was undertaking an airport improvement project that included repairing, repaving, and adding new runways and taxiways. As part of this improvement project, the airport discovered several aging and deteriorating drainage culverts under...
The northwestern portion of the Viaduct crosses the Los Angeles River, the Los Angeles River Greenway Trail and Riverside Drive. The PVC shrink-wrap contains the blasting media and byproducts.

The northwestern portion of the Viaduct crosses the Los Angeles River, the Los Angeles River Greenway Trail and Riverside Drive. The PVC shrink-wrap contains the blasting media and byproducts.

Article May 02, 2017
While “blast and paint” rolls off the tongue easily, providing access to the underside of the Elysian Viaduct Bridge for rehabilitation work is anything but easy.   In fact, as the original bridge construction project neared completion, the September-October 1961 issue of the Official Journal of...

Photo source: CDOT

News January 20, 2017
The Federal Highway Administration (FHWA) has approved the reconstruction of I-70 through central Denver.   Federal Highway Administration approval concludes the federally required National Environmental Protection Act process and allows the Colorado Department of Transportation (CDOT) to proceed...
HDPE pipe used to slipline and rehabilitate CMP culvert in Oregon
Case Studies December 14, 2016
In Baker City, Ore., two corrugated metal pipe (CMP) culverts ran underneath a two-way road. Like many of these pipe systems across the country, these two CMP culverts were rusting and deteriorating at a rapid rate. Bradley Payton, Baker City’s transportation maintenance manager, was charged with...
Pipe sliding through existing culvert done without diverting roadway traffic
Case Studies September 07, 2016
Last August, the Utah Department of Transportation (UDOT) released its long-range plan to address transportation needs in rural Utah over the next 25 years. The plan focused primarily on rural areas of the state and identified projects presumed to strengthen the state’s economy and enhance the...
The Madera County Road Department opted for slip-lining over dig and replace due largely to the depth of fill over the culvert and limited options for rerouting of traffic.

The Madera County Road Department opted for slip-lining over dig and replace due largely to the depth of fill over the culvert and limited options for rerouting of traffic.

Case Studies September 12, 2014
Madera County in California’s central valley had a problem faced by hundreds of municipalities across the country: aging, deteriorated culverts on the verge of failure.   Considering his best options, Madera Road Commissioner Bradley Phillips turned to Snap-Tite, and his own crew, to begin the task...
Many drainage culverts were installed 40 to 50 years ago and are now past their design life. They are failing at an alarming rate and causing roadway and railway damage.
Case Studies
Many drainage culverts were installed 40 to 50 years ago and are now past their design life. They are failing at an alarming rate and causing roadway and railway damage.   One such culvert affected a private enterprise in Trona, Calif. Searles Valley Minerals was faced with a failing culvert...
Gradall XL 4100 IV
Case Studies
Like most government entities, the Fort Bend, Texas, County Road and Bridge Department is under pressure to perform more taxpayer services faster and on a budget. Owner of several excavators, including two Gradall XL 4100 IV models, the department uses them for a very wide variety of jobs: ditching...
high-density polyethylene (HDPE) culvert lining Snap-Tite pipe
Case Studies
Nineteen aging culverts were located underneath the sole public-access road leading to Auke Recreational Area, a popular scenic beach located in Tongass National Forest near Juneau, Alaska. This area is also the site of an Auk Tlingit Native American village and burial ground.   The culverts were...
South Dakota DOT maintenance crew relines old culverts
Case Studies
Two corrugated metal-pipe (CMP) culverts located under Highway 50 in Chamberlain, S.D., were in danger of failing. One culvert was a 42-in.-diam. CMP and the second culvert was a 30-in.-diam. CMP. The culverts were located three-quarters of a mile apart from one another. The South Dakota Department...
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