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Old River Road Overpass On I-16 Nears Its Finish McLendon Enterprises Inc. is a few months away from completing the Georgia Department of Transportation’s (GDOT) $8,575,000 Old River Road Overpass at Interstate 16 project in Bloomingdale, Effingham County. The initiative is replacing a two-lane, 215-ft. long concrete overpass (built in 1960) with a 186-ft., five-lane bridge that spans four mainline lanes of I-16 and intro/exit ramps on each side of the diamond interchange. The new structure has two lanes in each direction and a turn lane in the middle with a 4-ft. raised median. The work also includes widening ¼ mi. of Old River Road in each direction from the new overpass to two lanes in each direction. According to reports, “advancing the widening and other upgrades at I-16/Old River Road will improve safety for car and truck traffic and will also enhance the attractiveness of the area to new commercial opportunities.” The project, which started in December of 2018 and should be completed in 2021, is being undertaken to handle increased traffic flow due economic expansion in the area — the construction of warehouses and commercial buildings — based on the phenomenal growth of the Port of Savannah, which is experiencing increased volumes of goods passing through it. The port is expanding in size and constructing new facilities will be able to handle the growing number of ships utilizing its facilities. By Irwin Rapoport
CEG CORRESPONDENT
see OVERPASS page 2
McLendon Enterprises Inc. is the general contractor tasked with replacing a two-lane, 215-ft. long concrete overpass, built in 1960, with a 186-ft., five-lane bridge that spans four mainline lanes of I-16.
New MacKay River Bridge Likely to Be Built Near Brunswick Chances are good that a new bridge will be built on the F.J. Torras Causeway across the MacKay River, linking St. Simons Island and Brunswick, according to the Georgia Department of Transportation (GDOT). Construction of a new MacKay River Bridge could begin as early as Georgia’s fiscal year 2022, which begins July 1. The
bridge is projected to cost $78 million, according to GDOT. The transportation agency told the Brunswick News that the existing MacKay River Bridge, built in 1986, has reached a state of deterioration. GDOT engineers have detected cracks in the bridge’s concrete structure and scouring in its support piers,
meaning it no longer meets current bridge design standards. The newspaper reported that the GDOT assures the bridge is still safe to drive upon, but agency officials want it replaced long before it reaches a state of being unsafe for travel. “If we don’t do anything, the bridge will
continue to deteriorate,” GDOT spokesperson Jill Nagel said. “The bridge is safe, but we also have to look at the long term. This is the only route on and off [St. Simons Island]. The causeway is the only hurricane evacuation route for people on the island, so we have to look at this bridge very carefully.” see BRIDGE page 6
Page 2 • June 16, 2021 • www.constructionequipmentguide.com • Georgia State Supplement • Construction Equipment Guide
McLendon Enterprises Inc. Executes $8M Bridge Project OVERPASS from page 1
The completed Stage 2 bridge work includes the piles, columns and caps, beams and bridge deck.
Equipment utilized by McLendon crews include: a Cat D6N dozer, a Cat 326F excavator, a Cat 345DLQ excavator, a John Deere 544k loader; a Komatsu 270 loader, a HAMM H5l roller, a BOMAG roller, a Cat 140M motor grader and a Power Curber PC57C02.
The overpass — 20 mi. from the port — carried a fair amount of commuter and truck traffic prior to the reconstruction. Moreland Antobelli, purchased by Atlas, designed the new overpass and road work. The old bridge was demolished between Oct. 26 to Nov. 20, 2020. “During the demo of the existing bridge, boards were mounted underneath the deck to keep small pieces of debris from falling to ground,” said Matthew Betsill, McLendon’s project manager.” Crews used concrete floor saws to cut the deck into sections that could be lifted out with a crane. We utilized daytime lane closures on I-16 to work our way across the bridge one lane at a time. After the deck was removed, we performed traffic paces at night on I-16 to remove the existing steel beams. “Police officers slowed traffic of I-16 enough to allow for about a 10 to 15 minute gap,” he added. “Crews used that gap to lift each beam out of the way. With the beams off the existing columns, they could be taken down with jack hammers attachments mounted to an excavator. All of the debris was loaded onto trucks and hauled off-site.” The traffic management plan is based on lane closures as the work proceeds. During the overpass reconstruction, one lane was demolished while traffic flowed on the other side. Lanes were also closed for the work on the roads and ramps. To date, McLendon Enterprises has completed the Stage 1 bridge construction, MSE walls 1 through 4 and Stage 1 roadway including new storm drainage systems. The completed Stage 2 bridge work includes the piles, columns and caps, beams and bridge deck. The remaining items consist of Stage 2 bridge approaches, traffic barrier over the bridge and the median. The remaining Stage 2 roadway work consists of GABC base, curb and gutter, median and asphalt paving. “Utility conflicts were addressed with the GDOT utility
The work also includes widening Old River Road in each direction from the new overpass to two lanes in each direction.
relocation plan,” said Betsill. “Georgia Power relocated an overhead line crossing I-16 parallel to Old River Road. This project was almost entirely a day shift project, with night work reserved for setting and removing beams over I-16. I would describe the relationship with GDOT as ‘active’. We work together to complete this project. We are in constant communication about the needs of the project and any questions each of us have.” The eastbound and westbound sides of the bridge were demolished within the same timeframe. “We didn’t close I-16 to traffic,” said Betsill. “We used nighttime traffic paces to slow traffic to remove each beam — four paces each night for two consecutive nights on Nov 9 and Nov 10 [2020].” Remediation Resources Inc., of Pembroke Ga., performed the demolition of the existing bridge using floor saws, an excavator and a crane. “The bridge was removed piece by piece,” said Betsill. “After the demo, the pieces were loaded onto trucks and see OVERPASS page 6
To date, McLendon Enterprises has completed the Stage 1 bridge construction, MSE walls 1 through 4 and Stage 1 roadway including new storm drainage systems.
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Atlanta, GA 404.696.7210 Birmingham, AL 205.841.6666 Madison, AL 256.350.0006 Mobile, AL 251.633.4020 Montgomery, AL 334.262.6642 Oxford, AL 256.832.5053 Tuscaloosa, AL 205.848.4147 Pensacola, FL 850.479.3004
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Southeastern Site Development to Finish Stage 2 of Job OVERPASS from page 2
removed from the site.” Southeastern Site Development Inc., of Newnan, Ga., is the bridge contractor. Crews utilized three cranes in the bridge construction, as well as excavators, front-end loaders and Genie boom lifts. The road construction is ongoing. “Southeastern Site is finishing the Stage 2 bridge construction,” said Betsill. “When completed, McLendon will build and pave the road to tie into the new bridge. We will then shift traffic to Stage 3 which will divide traffic into two lanes over then new bridge. We will complete the median throughout the whole project. Lastly, finishing up the project with the final 1.5-inch layer of asphalt, new striping and signage. “ Peak days has about 20 McLendon and subcontractor employees on site. The subcontractors include Southeast Site Development for bridge construction; Tricor Construction for MSE wall construction; Remediation Resources Inc. for bridge demo; Middle Georgia Signs for signage; and Guardrail, Moses Grass Co. for permanent grassing. KRM South is supplying 600 cu. yds. of concrete for the project. The totals for the materials garnered from the demolition and excavation activities have not been finalized yet. “The earthen materials generated on site are reused as general fill under slopes on the approach to the bridge,” said Betsill. “Milled asphalt is taken back to our asphalt plant to be reused in asphalt production. Demolished concrete is
The old bridge was demolished between Oct. 26 to Nov. 20, 2020.
taken to a rock yard to be crushed and reused as base material. Bridge beams are reused by GDOT or the bridge contractor as pile templates.” For the roadway work, crews will be using 4,500 tons of asphalt, 13,000 tons of GABC base, 4,430 ft. of curb and gutter, 2,200 sq. yds. of concrete median, 1,600 ft. of storm drain pipe and 26,000 sq. ft. of MSE wall. For the bridge construction, 3,320 linear ft. of 16-in. piling, 1,835 linear ft. of concrete beams, 784 cu. yds. poured concrete and 147,000 lbs. of steel reinforcement will be brought in. McLendon is using a Cat D6N dozer, a Cat 326F excavator, a Cat 345DLQ excavator, a John Deere 544k loader; a Komatsu 270 loader, a HAMM H5l roller, a BOMAG roller, a Cat 140M motor grader and a Power Curber PC57C02.
For the bridge construction, 3,320 linear ft. of 16-in. piling, 1,835 linear ft. of concrete beams, 784 cu. yds. poured concrete and 147,000 lbs. of steel reinforcement will be brought in.
“We have several full-time mechanics that maintain and repair our equipment as needed,” said Betsill. “We use several rental companies around the Vidalia area when specific equipment is needed.” On this project, McLendon has secured equipment form Yancey Rents, United Rentals, and Badger Rentals. CEG
The remaining items consist of Stage 2 bridge approaches, traffic barrier over the bridge and the median. The remaining Stage 2 roadway work consists of GABC base, curb and gutter, median and asphalt paving.
For the roadway work, crews will be using 4,500 tons of asphalt, 13,000 tons of GABC base, 4,430 ft. of curb and gutter, 2,200 sq. yds. of concrete median, 1,600 ft. of storm drain pipe, and 26,000 sq. ft. of MSE wall.
GDOT’s $78M Bridge Replacement Could Possibly Begin in July BRIDGE from page 1
The GDOT has publicly discussed the need for a new MacKay River Bridge since as early as 2016, according to the Brunswick News. As the MacKay River is part of the Atlantic Intracoastal Waterway system, GDOT officials told the newspaper five years ago that a new bridge was needed to broaden waters for navigational traffic below. The new bridge would be built approximately 55 ft. north of the existing MacKay River Bridge, Nagel said in speaking with the newspaper. Traffic would be allowed to continue driving over the existing bridge
during construction, she added. The GDOT’s plans call for the new MacKay River Bridge to be 2,880 ft. long and 90 ft. wide. It will feature two, 12-ft.wide travel lanes in each direction split by a median with a concrete dividing barrier. Eight-ft.-wide shoulder also will be built along both outside lanes. On the eastbound side, a 4-ft.-wide, striped buffer would separate vehicular traffic from the planned 6-ft.-wide bicycle/pedestrian path on the bridge and would, in turn, join with the existing bicycle/pedestrian path that runs the length of the causeway.
In comparison, the old MacKay River Bridge is 2,601 ft. long and 75 ft. wide with four lanes of traffic and a concrete median. It has an 8-ft.-wide shoulder on the westbound side; along the east side is a 4-ft.-wide striped buffer between traffic and the 6-ft.wide bicycle pedestrian lane. The fishing piers underneath the existing bridge will be demolished along with, eventually, the existing bridge, GDOT officials told the Brunswick News. The GDOT and Glynn County closed the fishing piers — remnants from an older version of the causeway — in February, citing safety issues. The state agency’s plans indicate that a
new fishing pier may eventually be built beneath the east side of the MacKay River and would be aligned with existing parking on that side of the river. The existing MacKay River Bridge, and its future incarnation, represent one of two large bridges that span waterways through the marsh over which the 4-mi.-long causeway travels. The other large bridge is the Back River Bridge, farther west on the causeway. Several smaller structures also span the waters and marshes, including the Frederica River Bridge near St. Simons Island and the Terry Creek Bridge by the mainland.
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