We reach most sites in 24 to 72 hours.
Overhead and Bridge Crane Inspection That Keeps Plants and Shops Lifting Safely
In a fabrication shop, a stamping plant, a paper mill, a steel service center, or a maintenance bay, the bridge crane is the machine that moves the heaviest thing in the building over the heads of the people who work there. When it stops, production stops. When it fails, someone can be hurt.
3P Safety Inspections is an independent, third-party inspection company that examines top-running, under-running, and gantry cranes against the rules that govern them, then hands the owner a documented record of exactly what was found and what needs attention.
These cranes are a different animal from the mobile and tower cranes that work outdoors. A bridge crane is fixed to the building. It rides a runway anchored to the structure, carries a hoist and trolley across a span, and lifts inside a defined envelope, often hundreds of times a shift, for decades. The governing standards reflect that permanence: OSHA 29 CFR 1910.179 for overhead and gantry cranes, sitting alongside ASME B30.2, the consensus standard for top-running and under-running multiple-girder cranes.
Our inspections are built around those two documents and the way the equipment actually wears in service.
The Equipment We Inspect, and Why It Wears the Way It Does
Top-running cranes ride on rails set on top of the runway beams. Under-running cranes hang from the bottom flange of the runway, with the end trucks rolling along that flange. Gantry cranes carry the bridge on legs that travel on floor-level rails instead of an elevated runway. Each configuration loads its components differently, and an inspector who knows the difference looks in different places.
An under-running crane, for example, puts wear on the bottom flange and the end-truck wheels that a top-running rail crane simply does not, while a top-running crane’s wheels and rails take the brunt where the bridge stops and starts thousands of times.
The lifting medium varies the same way the running gear does. Many production and process cranes use wire rope over a grooved drum. A great many shop and assembly cranes use load chain through a powered hoist. Single-girder and double-girder bridges carry the trolley differently, and a monorail hoist running a fixed beam is its own case again.
ASME draws those lines in its own volumes, and the related equipment around a bridge crane often falls under them: B30.11 and B30.16 for monorails and underhung hoists, B30.10 for the hooks, B30.9 for slings, and B30.26 for the rigging hardware that hangs below the load block. An inspection that respects those boundaries catches the right defects on the right components.
The work the crane does also shapes how often it must be looked at. OSHA classifies overhead crane service by duty, and the busier the crane, the shorter the interval between detailed examinations. A crane in light, occasional service in a maintenance shop is not on the same clock as a crane in heavy or continuous service feeding a production line. Our scope accounts for service class so the inspection cadence matches reality rather than a one-size-fits-all calendar.
The OSHA Inspection Cycle, and Who Is Allowed to Sign Off
Overhead and gantry crane inspection under 1910.179(j) runs on two tracks, and the difference matters legally as much as mechanically. “Frequent” inspections fall on a daily-to-monthly schedule depending on the crane’s service. A competent person handles these.
A competent person, in OSHA’s language, is someone capable of identifying existing and predictable hazards and authorized to take prompt corrective action. “Periodic” inspections fall on a one-to-twelve-month schedule, again driven by service class, and these call for a qualified person, someone with the credentials, training, and demonstrated knowledge to make the deeper judgments the periodic inspection demands.
That distinction, drawn from 29 CFR 1926.32, is where a lot of facilities get exposed. A maintenance technician doing a sound daily check is doing competent-person work, but they are not necessarily the qualified person OSHA wants signing the periodic inspection. The same two roles appear across the lifting world: on the mobile and construction cranes that move between sites, 1926.1412 runs a parallel cycle, a pre-shift check and a documented monthly review by a competent person and an annual full inspection by a qualified person.
A facility that runs both yard cranes and shop bridge cranes is living under both regimes at once, and the qualified-person tier is the one most often missing in-house.
3P Safety Inspections supplies that qualified-person tier. Our inspectors meet that bar, and the report we leave behind is the documented periodic record the standard expects, not a verbal “looks fine.” Beyond the calendar, any crane that has been overloaded, repaired, modified, struck, or left idle for an extended stretch should be re-inspected before it goes back to lifting, and our scope covers those return-to-service examinations too.
A crane coming off a brake job, a girder repair, or a new hoist is a different machine than the one the last inspection signed off on, and it needs to be treated that way before the first production lift.
Component by Component, the Way a Bridge Crane Is Actually Built
A real inspection follows the load path. We start where the crane meets the building and work down to where the load meets the hook, and every observation ties back to the specific OSHA or ASME provision that governs it.
The runway, rails, and end trucks come first. We check rail alignment, splices, clips, and stops, look for runway beam distress and connection problems, and examine the end-truck wheels for the flange and tread wear that throws a crane out of square and chews up rails. We look at the structure itself, the girders and end ties, for cracked or distorted members, loose or missing bolts, and bad welds at the connections. On under-running cranes we pay particular attention to the bottom flange the end trucks ride.
A crane that tracks crooked grinds itself apart, and the early signs show up here long before anyone on the floor notices.
From there we move to the hoist, trolley, and wire rope. Wire rope is inspected over its full length, not spot-checked, against the established removal criteria: six randomly distributed broken wires in one rope lay or three broken wires in one strand of a running rope, broken wires at the end connections, measurable diameter reduction, and kinking, crushing, birdcaging, corrosion, or heat damage. On many production cranes the lifting medium is load chain rather than rope, and that gets the same disciplined examination for stretch, wear, and gouging.
We follow the rope or chain onto the load blocks, sheaves, and drums, checking reeving, groove wear, drum condition, and sheave bearings, because a worn groove destroys good rope faster than anything else.
Hooks get measured, not glanced at. We document throat opening against the manufacturer’s specification, check for twist out of plane, look for wear at the saddle and bowl, and inspect the latch. A hook that has opened up or twisted is carrying a story about an overload, and it is one of the most common reasons we pull a crane out of service.
We examine the bridge drive and the brakes, including travel braking on the bridge and trolley and the holding brakes that keep a suspended load from drifting, plus the gearcases, couplings, and clutches where the design includes them.
Then the controls and protective devices: the upper-limit switch that stops the hoist before two-blocking, travel limits, the festoon system or conductor bar that feeds power across the runway, the pendant or radio controls, e-stops, bumpers, and warning devices. On overhead cranes the festoon and power delivery take real abuse from constant travel, and a failing festoon is both a reliability problem and a shock hazard.
Finally we review the crane log, the load chart and capacity markings, and the documentation that proves the crane has been maintained, because under 1910.179 the paper trail is part of compliance, not an afterthought.
How We Classify and Document What We Find
An inspection is only as useful as the report it produces, and a list of vague concerns helps no one. Every finding we record is tied to a photograph and to the exact OSHA or ASME provision it relates to, then sorted by severity so the owner knows what to do first:
- Critical — the crane comes out of service now. A condition that makes the next lift unsafe.
- Major — must be corrected before the next lift, but does not necessarily ground the crane on the spot pending that correction.
- Minor — real and worth fixing, addressed on a defined timeline rather than immediately.
- Monitor — a condition to watch and re-check at the next interval, documented now so its progression is tracked rather than forgotten.
That structure turns the report into a punch list a maintenance manager can act on and a record an auditor can follow. A finding written as “runway rail at the south bay, splice clip backed off, photo attached, correct before next lift” is something a millwright can fix and an OSHA officer can verify. A finding written as “runway looks worn” is neither.
The discipline of pinning every line to a photo and a rule is what makes the difference between a document that protects the facility and one that just fills a binder.
Where the condition or the service class calls for it, the scope extends to nondestructive testing and load testing. Magnetic-particle testing reveals cracks in welds on the girders, end ties, and structural connections. Dye-penetrant testing surfaces cracking on hooks and other accessible surfaces. Ultrasonic testing reaches into thick steel and pins that the eye cannot. Rated-capacity proof loads, applied with calibrated weights or load cells, confirm a crane after major repair or alteration and on the applicable ASME cycle.
We perform these checks because the standard or the equipment’s history calls for them, never to drum up unnecessary work.
Why an Independent Third-Party Report Carries More Weight
3P Safety Inspections does not sell cranes, does not rent them, and does not sell rigging, hoists, or repair parts. That is a deliberate business decision with a direct payoff for the client: our findings carry no sales angle. When we write that a runway needs re-alignment or a hoist needs a brake overhaul, there is no upsell waiting behind it, because we do not perform the repair. The report stands on the condition of the equipment and nothing else.
That independence is exactly what gives the document credibility where it counts: with OSHA compliance officers reviewing a facility, with insurers underwriting the operation, with lenders evaluating equipment as collateral, and with general contractors and plant managers who need a defensible record that a crane was examined by a qualified person against the right standard. A shop that buys its periodic inspection from the same vendor that sells it hoists and parts has handed an auditor an easy question about whether the findings were written to move product.
A report from an inspector with nothing to sell answers that question before it is asked.
Federal and Government Facilities
Cranes inside USACE, NAVFAC, GSA, VA, and DOE facilities carry an extra layer beyond OSHA and ASME: EM 385-1-1, the Army Corps of Engineers safety manual, and its Section 16 requirements for hoisting and lifting equipment. That section reaches past the baseline OSHA cycle into designated and qualified persons, critical-lift planning, activity hazard analyses, the USACE three-phase control process, and reporting in agency-accepted formats. An overhead crane in a federal shop or warehouse has to satisfy all of it.
3P Safety Inspections inspects to EM 385-1-1 Section 16 on top of the 1910.179 and ASME B30.2 baseline and reports in the format the contracting officer expects. The company is registered in SAM.gov, UEI N32TWKB7DD61, CAGE 20QE6, and is positioned to work directly on federal contracts.
Nationwide Coverage, Fast Turnaround, and the Experience Behind the Report
3P Safety Inspections works in all 50 states. The process is straightforward: the client sends an equipment list and the site location, and a quote follows within a business day. Scheduling typically lands the inspector on site within 24 to 72 hours, and the photo-documented report follows quickly, with the punch list already sorted by severity so the maintenance team can move on the critical items immediately. For a facility with a production line waiting on a grounded crane, that turnaround is the difference between a short pause and a long one.
The work is led by founder Patrick Salazar, who has been around cranes since 2005. He came up through the trade as an operator, moved into lift director responsibility, and earned NCCCO certification as a crane inspector, the credential that meets the qualified-person bar OSHA’s periodic inspections demand. He is also an OSHA 500 trainer. The inspectors who work under that standard are NCCCO-certified and held to the same qualified-person bar. NCCCO is the certification behind this work, and it is the only one the company claims.
For facilities that also want their own people trained to handle competent-person daily and frequent checks correctly, the sister brand 3P Safety Crane Training covers that ground separately.
A bridge crane that has not had a proper qualified-person inspection is a compliance gap and a safety risk running quietly above the floor. Send 3P Safety Inspections an equipment list and a site address, and a quote will follow within a business day, with an inspector reaching most sites within 24 to 72 hours.
Frequently Asked Questions
What is the difference between the frequent and periodic inspections required for our overhead cranes?
Under OSHA 1910.179(j), frequent inspections run on a daily-to-monthly schedule based on the crane’s service class and are performed by a competent person who can identify hazards and take corrective action. Periodic inspections run on a one-to-twelve-month schedule, also tied to service class, and require a qualified person with the credentials to make deeper judgments. 3P Safety Inspections provides the qualified-person periodic inspection and the documented report that goes with it, which is where many facilities are exposed if only in-house frequent checks are being done.
Which standards do you inspect overhead and bridge cranes against?
OSHA 29 CFR 1910.179 for overhead and gantry cranes, alongside ASME B30.2, the consensus standard for top-running and under-running multiple-girder cranes. Related equipment around the bridge crane falls under its own ASME volumes when present, such as B30.11 and B30.16 for monorails and underhung hoists, B30.10 for hooks, and B30.26 for rigging hardware. For cranes in federal facilities run by agencies such as USACE, NAVFAC, GSA, VA, or DOE, we also inspect to EM 385-1-1 Section 16 on top of that OSHA and ASME baseline.
How is the wire rope or load chain on our hoist inspected?
Wire rope is examined over its full length rather than spot-checked, against the established removal criteria: six randomly distributed broken wires in one rope lay or three broken wires in one strand of a running rope, broken wires at the end connections, measurable diameter reduction, and any kinking, crushing, birdcaging, corrosion, or heat damage.
On cranes that use load chain instead of rope, the chain gets the same disciplined check for stretch, wear, and gouging, and we follow the lifting medium onto the load blocks, sheaves, and drum to check reeving and groove wear.
Do you repair the cranes or sell parts after the inspection?
No. 3P Safety Inspections does not sell, rent, or repair cranes, hoists, rigging, or parts. We only inspect and report. That independence is intentional: because there is no repair or sales angle behind our findings, the report holds up with OSHA officers, insurers, lenders, and contracting officers who need a record with no conflict of interest.
How are findings reported so our maintenance team can act on them?
Every finding is tied to a photograph and to the exact OSHA or ASME provision it relates to, then sorted into four severity classes: Critical (out of service now), Major (correct before the next lift), Minor (fix on a defined timeline), and Monitor (track and re-check next interval). Where the condition or service class calls for it, the scope extends to nondestructive testing such as magnetic-particle, dye-penetrant, and ultrasonic methods, and to rated-capacity load testing with calibrated weights or load cells.
The result is a punch list your team can work top to bottom and an auditor can follow.
Related: Aerial Lift Inspection, All-Terrain Crane Inspection, service areas, about 3P Safety Inspections.