The diversity of our Structures Team allows us to provide design and construction services for all types of structures including: buildings, bridges, culverts, retaining walls, sea walls and other structures.

Bridge inspections, rehabilitation and replacement are among our specialties. CLD provides full service bridge and roadway design capabilities including the development of complex construction phasing to allow for continued traffic flow during construction. From survey to permitting, design to construction administration, CLD can remove the burden of bridge replacement from your staff. Our team will determine your needs and keep you informed during the process; we can provide whatever role you need in the development of a project.

Our Structural Engineering Services include:
• Bridge Inspections, Rating and Design
• Bridge Rehabilitation and Replacement
• Hydraulic Studies and Scour Analysis
• Retaining Wall Design
• Parking Structure Design
• Falsework/Cofferdam Design
• Building Structure Design and Analysis
• Building Rehabilitation, Additions and Renovations
• Marine Structure Design
WISWALL BRIDGE REPLACEMENT
TOWN OF DURHAM, NH

The Town of Durham wished to replace the historic bridges at the crossing of Wiswall Road over the Lamprey River, which are two single-span, single-lane bridges (NHDOT#s 069/072 and 070/072). These bridges were closed due to flood damage caused by the May 2006 storm.
VERMONT AGENCY OF TRANSPORTATION
VT ROUTE 110 OVER THE WHITE RIVER
TUNBRIDGE, VT

This project, located in the Town of Tunbridge, involved the replacement of VT Route 110 over the First Branch of the White River and the construction of a retaining wall along the west side of the northerly approach to the bridge.
NHDOT I-293 EXIT 5 RECONSTRUCTION
MANCHESTER, NH

The State wished to replace the existing I-293 northbound and southbound bridge over Granite Street with a larger structure to accommodate the proposed turnpike widening and construction of a Single Point Diamond Interchange (SPDI) at Exit 5.

Winner of 2011 ACEC-NH Structural Engineering Award!
Additional Recent Structural Projects:
Granite Street Bridge, Manchester, NH
VT Route 15 over the Gihon River, Johnson, VT
NHDOT McIndoes Street over the Connecticut River, Monroe, NH - Barnet, VT
NHDOT I-293 Exit 4: 5 "Red-Listed" Bridges, Manchester, NH
VT Route 14 over the first branch of the White River, Royalton, VT
Stage Road over Little Sugar River, Unity, NH
Area Road over Poor Farm Brook (Gunstock Entrance), Gilford, NH
Partridge Bridge over the Pemaquid River, Bristol, ME
Russell Station Road over Rand Brook, Francestown, NH
VT Route 100 over the West River, Jamaica, VT
Coffin Brook Road Bridge, Alton, NH
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Amoma Haul Roads, Ghana, AFRICA
Hands Across the Merrimack, Manchester, NH
Logging Road over Josias River, York, ME
First Street Over Broad Canal, Cambridge, MA
Brooklyn Street Bridge, Northumberland, NH
Manchester Street Bridge, Nashua, NH
Cambridge Bridge Replacement, MA