Bridges & moveable structures
At IPM we pride ourselves on providing the highest quality, most responsive, and uniquely innovative bridge machining field services in your shop, or in ours.
Bridge & Moveable Structures Machining and Repair
Our experienced workforce of skilled engineers, machinists, welders, and alignment technicians, working with our extensive inventory of specialized equipment and instrumentation, makes it possible for IPM to accommodate any customer requirement, from planned maintenance or modernization to emergency break-downs. We pride ourselves on providing the highest quality, most responsive, and uniquely innovative portable machining services in the industry.
Full Service Bridge & Structure Machining
Our Work In Action

Bascule Bridge Laser Tracker Measurement of Track and Treads

On-Site Machining of Girders on a Bridge

Machine Bascule Bridge Tread Radius

Field Milling Machining of Bascule Bridge Track Lugs
Quality Work Done Safely… It’s In Everything We Do
Working safely protects employees, equipment, customers, customer assets, and vendors
Our Extensive Capabilities
The following examples represent only a smattering of the many types of on-site field machining, diamond wire cutting, specialized welding, and measurement services that In-Place Machining Company offers our customers in the Bridge & Moveable Structure industry.
- Bearing Journal & Trunnion Bridge Machining Services
- Planetary (rotating orbital) Machining On-Site Without Shaft Rotation
- Straight or Curved Rack Mounting Surfaces
- Web Faces and Bores
- Gears and Gearboxes
- Portable Machining: Milling, Drilling, Boring
- In-Shop New Construction
- Precision Laser Measurement & Inspection
- Bascule, Lift, Swing and all Moveable Types
- Fixed Span
- R-Stamp Certified Welding
- CNC Machining for Custom Part Manufacturing
- Counterweight Link Pin Rehabilitation
- Suspension Cable Bores
- Wire Cutting for Underwater Piers
Job Stories
Projects completed over our 40 years of operation include on-site repair at Hoover Dam; Hydro Tasmania; the San Francisco Bay Bridge; and Milwaukee’s Miller Park—just to name a few.
View all JobsIPM Completes Trunnion Rehab & Rack Installation for St. Lucie River Bridge Through Expert Project Planning
Combining Highly Engineered Field Machining, 3D Scanning & Reverse Engineering for a Successful Infrastructure Repair
Hood Canal Bridge
In a project that lasted from 2003 to 2009, both approach spans, eastern pontoons, and east and west transition spans had to be replaced on the Hood Canal Bridge in Washington State.
IPM Provides Precision Alignment Services for Florida’s New High Speed Railroad Bridge
Precise Alignment Was Critical to Install Bascule Bridge Over Loxahatchee River
IPM Featured in HNTB Designer Magazine for Bridge Project
IPM appears in HNTB Designer Magazine for our work on the U.S. 84 Mississippi River Bridge pin-and-link replacement project.
IPM’s Innovative On-Site Machining “Leafs” Nothing to Chance
IPM was recently contracted by Thompson Metal Fab in Vancouver, WA to perform precision machining on two large closure leaf assemblies for use at the McNary Dam.
Contact IPM Today to See How We Can Help You
Discover the advantage of working with an industry partner with over 40 years of machining experience.
Related Services
IPM offers a wide range of services for the Bridges & Moveable Structures Industry including On-Site Field Machining, R-Stamp Certified Welding, Metalstitch® Cold Cast Iron Repair, and complete Laser, Optical and Mechanical alignment. High precision and custom engineered solutions are central to all of our services.
Field Machining
Field machining services are IPM’s specialty for over 40 years, with an experienced team of skilled technicians.
On-Site Alignment & Measurement
We provide a wide range of laser & optical alignment, measurement, and inspection services that complement our on-site services.
On-Site Welding Services
IPM is the leader in complex on-site welding specializing in R-Stamp Certified Welding, structural welding and weld overlays.
Metalstitch® Cold Cast Iron Repair
The proven method for repairing cracked, damaged, or broken cast iron using advanced engineering and fatigue analysis.








