Uniformat G3030

Culvert, concrete

Also called concrete box culvert, concrete pipe culvert

• Confidence C
• Version 0.6.0 (permanent link)
• Reviewed 2026-10-22

This is version 0.6.0. The latest is 0.8.0.

Service life

Years in service. The band runs from the shortest to the longest life the sources state, so it shows how much they disagree, not how long 80% of units last. The line is the median of the stated lives.

Basis

• 75 years · Barrie: City of Barrie Corporate Asset Management Plan: Proposed Levels of Service, p127 · “Culverts (Concrete)” (planning life)
  Asset management plan (planning life). Approved on text check: the label and value were found on the cited page.
• 70 years · Kapuskasing: By-law No. 3103, Tangible Capital Assets Policy, p15 · “Culverts - Concrete” (accounting life)
  Capital asset policy (amortization period). Approved on text check: the label and value were found on the cited page.
• 75 years · Meaford: By-law 2020-83, Tangible Capital Asset Policy, Appendix A Estimated Useful Lives, p19 · “Linear - Culverts - Concrete” (accounting life)
  Capital asset policy (amortization period). Approved on text check: the label and value were found on the cited page.
• 75 years · Simcoe: County of Simcoe 2025 Asset Management Plan, p68 · “Culverts - Concrete” (planning life)
  Asset management plan (planning life). Approved on text check: the label and value were found on the cited page.
• 75 years · The Blue Mountains: POL.COR.19.04 Tangible Capital Assets Policy, p12 · “Linear - Culverts - Concrete” (accounting life)
  Capital asset policy (amortization period). Approved on text check: the label and value were found on the cited page.
• 75 years · York: The Regional Municipality of York 2024 Corporate Asset Management Plan, p53 · “Concrete culverts: Replacement” (planning life)
  Asset management plan (planning life). Approved on text check: the label and value were found on the cited page.
• 50 years · General depreciation rates (IR265), July 2021, p52 · RETC “Culverts (concrete)” — Inland Revenue (Te Tari Taake), New Zealand (accounting life)
  Printed page 52. Reticulation systems category (excluding electrical, communications and gas). Printed DV 4%, SL 3%. Tax depreciation lives set by the Commissioner of Inland Revenue for New Zealand income tax, not engineering or asset-management lives; they are banded and often short (e.g. reticulation piping 25 years). The July 2021 edition was the newest PDF reachable; the online Depreciation Rate Finder may hold later determinations.

How sources are chosen and recorded: sourcing policy.

Preventive maintenance

3 tasks in 3 work orders. Intervals that fall due together are one visit: the every 5 years visit also covers the annual and every 3 years tasks.

1. 1
2. 2
3. 3
4. 4
5. 5
6. 6
7. 7
8. 8
9. 9
10. 10
11. 11
12. 12Annual

Months from the schedule start. Download the tasks as CSV for a CMMS, or ask the MCP tool get_pm_schedule for dated visits.

Frequencies are ISO 8601 durations in the data (P3M = every 3 months).

Open questions

• Every source here is a published planning, design or accounting life. None is observed replacement data.
• Written for Queensland state-controlled road structures in a subtropical climate; TMR's web page says a later update changed inspection scope and frequency, so check the current edition.

Know the answer? Send it with a source to [email protected].

Cite this

Citation

unfinished.one (2026). Culvert, concrete, v0.6.0. https://unfinished.one/c/culvert-concrete/v/0.6.0

BibTeX

@misc{unfinished_culvert_concrete_0_6_0,
  title = {Culvert, concrete},
  author = {{unfinished.one}},
  year = {2026},
  version = {0.6.0},
  url = {https://unfinished.one/c/culvert-concrete/v/0.6.0},
  note = {CC BY 4.0}
}

Licence CC BY 4.0 · How to cite · JSON · Versions: 0.8.0, 0.7.0, 0.6.0, 0.5.0, 0.4.0, 0.3.0, 0.2.0, 0.1.0