← Risk register SOC 47-5043 · reviewed 2026-08-11

Roof Bolters, Mining

2,160 US workers · median $78,540/yr · Construction

EXPOSED

Almost nothing a roof bolter does is text or screen work — you position a bolting machine underground, drill into rock, set resin or mechanical bolts, and read roof and rib conditions in low light with active ground pressure. Language AI is irrelevant here; the real threat is mechanized and remote-operated bolting rigs, which mining OEMs are actively deploying, plus the structural decline of US coal that has already shrunk this occupation to about 2,000 jobs. MSHA training and state certified-miner status create a real but modest regulatory floor, not a licensure moat comparable to an electrician's.

10-year outlook: The work itself won't be done by software, but expect fewer roof bolter jobs by 2035 as coal output falls and semi-automated bolting rigs let one certified operator cover what two used to.

US employment, 2019–2025-31.2%
3,1402,160 workers

Nearly all of this fall was the 2020 shock. It has been climbing back since.

Median pay $59,090 → $78,540 +6.3% in real terms (nominal +32.9%, less ~25% US inflation over the period)

The job count is not the verdict

This line is counted by the Bureau of Labor Statistics — the one figure on this page that isn't a judgement of ours. Headcount moves on demand, offshoring, demographics and the business cycle, and automation is one term among several, often not the loudest.

So a falling line is not evidence that AI did it, and a rising one is not evidence that it won't. Both happen in this register: some occupations resist automation and shrink anyway, others are highly automatable and keep growing. The marked year is 2020.

BLS projection, 2024–2034

-34.2% 2,300 → 1,500 on the projections basis

Shrinking, but not obviously because of AI

The BLS projects -34.2% by 2034, but at 61/100 this work is only moderately exposed — not the profile of a job current AI can simply do. Occupations shrink for many reasons, and the score does not point at automation as this one's cause.

Different clocks. The score is what current AI could do to this work today. The projection is how many of these jobs will exist in 2034. Everything between the two — how fast employers actually adopt, whether demand grows in the meantime — is why they can point opposite ways without either being wrong.

~100 openings a year on average, including replacing people who leave.

One email if this score changes. Watch as many occupations as you like from the same address — no account, and nothing is sent on a schedule, only when a verdict actually moves.

Also known as — 14 job titles this covers

Titles reported by people doing this work, from the US Department of Labor's O*NET survey. If your job title is here, this page is about your work even though the name doesn't match.

MinerBolterBolt ManRoof BolterTruss AssemblerBolting InspectorUnderground MinerRoof Bolter OperatorBolt Machine OperatorRoof Bolting Coal MinerUnderground Roof BolterBolting Machine OperatorPlace Change Roof BolterUnderground Bolting Machine Operator

Score — 61/100 resistance

Holding it up: embodiment (19/20). Weakest point: trust premium (5/20).

Five dimensions, 0–20 each, summed. Higher means more protected. The arithmetic is shown so you can check it: 17 + 19 + 9 + 5 + 11 = 61. · Scored 2026-08-11, and re-examined when evidence accumulates rather than on a schedule.

Task resistance 17/20

Tasks largely resist digitisation Tramming a roof bolter into a freshly cut entry, setting temporary supports, drilling a 6-8 foot hole into variable strata, spinning resin cartridges and torquing the bolt to spec is physical sequencing under a roof that is actively taking weight — no amount of language modeling touches it, and the 17 rather than 20 reflects that OEM automated bolting cycles and remote-operated rigs already do parts of the drill-and-insert loop in newer mines.

Embodiment 19/20

Hands-on in uncontrolled environments You work bent under a 5-foot seam in dust, water and low light, handling steel bolts, plates and drill steels while the machine's boom is live and the ATRS is the only thing between you and the roof — a 19 rather than 20 only because the working place is a bolted, ventilated entry rather than open uncontrolled terrain.

Liability shield 9/20

Certification preferred, not legally required MSHA Part 48 new-miner and annual refresher training plus state certified-miner papers are mandatory to be underground at all, and you can be pulled for failing to install per the approved roof control plan — but the plan is signed by the mine operator and the roof control specialist, not you, which keeps this at 9 instead of the teens where a licensed blaster or hoistman sits.

Trust premium 5/20

Anonymous artifact production Your crew and section boss know whether your bolts hold and whether you call bad top, and that reputation follows you between mines, but the customer is the coal seam — no client picks a mine because of who is on the bolter.

Judgment & accountability 11/20

Meaningful discretion The roof control plan dictates bolt spacing, length and pattern, so much of the shift is prescribed, but you are the person who decides that the top is drumming, that a spot needs extra straps or cribs, or that the place should be dangered off and abandoned — a call with lives on it, made alone in the dark, which is what pushes this above the procedural band.

Confidence: medium · reviewed 2026-08-11 · how scoring works

What this job involves — and which parts are yours

The verdict above describes this occupation as a whole. Almost nobody does the typical version of a job — tick what's actually in your week and see how your own mix sits.

AI already does these at usable quality

These still need a person

Active moats on the surviving side: embodiment, physical-presence, unionization

How to future-proof this job

Where to go deeper on what this job runs on: OSHA Outreach Training — the 10- and 30-hour cards most employers ask for low · Coursera — critical thinking and logic, audit free free to audit · edX — performance measurement and evaluation free to audit · edX — operations management and process monitoring courses free to audit · MIT OpenCourseWare — circuits, systems and diagnostic method, free and ungated free · Coursera — active listening and communication skills free to audit

All 35 skills ranked by how many jobs they open →

Where this experience transfers — nothing clears the bar

No occupation passed every test: close enough to roof bolters, mining on skills and subject matter, at least 10 points more resistant, no big jump in training, no new licence, no pay cut, and not shrinking on its own. That happens for 223 of the 654 occupations here that aren't SAFE, and it is worth stating plainly rather than leaving the section off.

The usual reason is that exposure travels with the skill profile. The jobs most similar to yours tend to be exposed for the same reasons yours is, so the near neighbours don't clear the gap — and the ones that do are a different kind of work, not a transfer of what you already know. Read that as a limit of this method, not a verdict that you're stuck: it only compares whole occupations, and it cannot see specialisation, industry, or anything you'd bring that isn't in a federal skill survey.

Here is that claim on your own job rather than in the abstract. These are the three occupations closest to this one by skill and subject matter — the places the work would most naturally transfer — with what the register scores them:

Continuous Mining Machine Operators EXPOSED 51/100 (-10) · 89% overlap
Logging Equipment Operators EXPOSED 53/100 (-8) · 84% overlap
Earth Drillers, Except Oil and Gas SAFE 67/100 (+6) · 81% overlap

That is the whole problem in three lines. The nearest work is not meaningfully safer, so there is no move here that trades a similar skill set for a better verdict. This is not us running out of ideas — it is what the neighbourhood looks like.

What would move this occupation up is the other direction, and on this page it's the more useful one.

What would move this back up — beyond any one person

The moves above are yours to make. This is the other half: what would have to change in the world for the occupation itself to score higher. None of it is in any one person's gift, but it is where the floor actually comes from. Scores here are not a one-way ratchet. Only two of the five dimensions — task resistance and embodiment — track what machines can do. The other three track law, what buyers will pay for, and who is answerable, and those move in both directions, often in response to the same pressure AI creates. If every lever below landed, this occupation would score around 74/100 — SAFE.

4 specific changes that would raise this score
  • already happening task resistance +2

    Same two-tier split: as OEM rigs (Komatsu/Joy, Sandvik, Fletcher) absorb straight-line bolting in stable seams, remaining assignments concentrate in low-seam, irregular, and rehab work where rigs do not fit and roof reading dominates. This raises the resistance of the surviving job while shrinking headcount — score rise without job security.

  • plausible liability shield +5

    MSHA roof-control plan approval (30 CFR 75.220) is amended, or state mine boards (WV, KY, PA) require that a certified miner or mine foreman personally sign off on roof support installed by remote or autonomous bolting rigs, and that a certified person be physically present to examine the supported area before it is traveled. Existing precedent: MSHA's rules already require a certified person for pre-shift/on-shift examinations under 30 CFR 75.360-362; extending named sign-off to bolt installation quality would put personal certification and liability on a human at the face.

  • plausible judgment accountability +4

    If autonomous rigs take the repetitive pattern-bolting on good top, the residual human work becomes the ambiguous tier: intersections, adverse-top areas, rehab after a fall, changing bolt type/length on the fly when the drill reveals unexpected strata. A roof-control plan revision, or an MSHA rule requiring a certified person to authorize deviations from the approved bolting pattern in adverse conditions, formalizes that ownership.

  • unlikely liability shield +2

    UMWA or independent-union contract language requiring a certified miner operator per remote bolting unit, comparable to crew-size clauses fought over in longwall automation, would make the human position contractually rather than only statutorily required.

The limit. No plausible route to trust_premium: the buyer is a mine operator purchasing ground support, and no customer pays extra for human-set bolts. Embodiment is already near ceiling and cannot rise. The binding constraint is not AI capability but coal-sector contraction plus rig deployment — every lever above raises the score of a shrinking occupation without adding jobs.

These are conditions, not forecasts — what would have to happen, not what will. Specific rules, cases and bills are named so you can go and check whether they exist and where they stand; verify before relying on any of them. Nothing here is legal or financial advice.

Where this work is, and what it pays there

BLS metro figures for 2 areas. The verdict above does not change by city — the rubric judges what the work involves, not where it happens — but pay and headcount do, and the national median hides a very wide range.

Most of these jobs

Beckley, WV 190 $77,920 -1%
Wheeling, WV-OH 120 $66,610 -15%

Best paid

Beckley, WV 190 $77,920 -1%
Wheeling, WV-OH 120 $66,610 -15%

Percentages are against this occupation's national median of $78,540. Counts are jobs in that metro, not vacancies. Metros where the BLS suppressed the cell are absent rather than shown as zero.

Who is actually doing this — nobody, on the record

We have no reported case of a named organisation automating this occupation. Not one deployment, not one announcement.

That is worth saying out loud next to a score of 61. The verdict above is about what the work exposes — what current AI could do to these tasks. It is not a claim that anyone has done it. For this occupation those two things have come apart completely: the capability argument is on this page, and the evidence column is empty.

Read that as a gap in the reporting we can see, not proof of absence — the dispatch runs on English-language feeds and misses plenty. If you know of a case, tell us, or add a field report from inside the job.

Quick take — do you do this job?

Has AI actually changed your work? One tap, anonymous, and the running tally is public. Nothing else is asked of you.

Self-reported and unverified — a sentiment signal, not a survey. One response per person per occupation; you can change your answer.

Field reports — what people say has changed

No field reports yet. A written account takes a paragraph rather than a tap, goes to an editor before it appears, and is the one thing on this page the rubric cannot produce on its own.

File a field report

Concrete beats general: a tool that arrived, a task that moved, a headcount decision you watched happen. Don't include anything that identifies you or your employer if that would put you at risk.

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Kept current

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