Property talk:P2787

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longest span
length of the longest span of a bridge, a natural arch

Represents	span (Q1960395)
Has quality	maximum (Q10578722)
Data type	Quantity
Template parameter	"mainspan" in en:Template:Infobox bridge "overspanning" in nl:Sjabloon:Infobox brug
Domain	According to this template: bridge (Q12280) According to statements in the property: bridge (Q12280) or natural arch (Q954501) When possible, data should only be stored as statements
Allowed units	metre (Q11573) or foot (Q3710)
Example	Peace Bridge (Q1188691) → 130 metre Second Severn Crossing (Q1287969) → 456 metre Pont du Diable (Q1514576) → 45.45 metre
Tracking: usage	Category:Pages using Wikidata property P2787 (Q26905044)
See also	number of spans (P1314)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Chart by item creation date Minimum and maximum Items with highest numeric value Items with lowest numeric value Database reports/Constraint violations/P2787 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 1,790 Main statement 1,786 99.8% of uses Qualifier 4 0.2% of uses

[create Create a translatable help page (preferably in English) for this property to be included here]

Type “bridge (Q12280), natural arch (Q954501)”: item must contain property “instance of (P31)” with classes “bridge (Q12280), natural arch (Q954501)” or their subclasses (defined using subclass of (P279)). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2787#Type Q12280, Q954501, SPARQL

Units: “metre (Q11573), foot (Q3710)”: value unit must be one of listed. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P2787#Units

Scope is as main value (Q54828448): the property must be used by specified way only (Help)

List of violations of this constraint: Database reports/Constraint violations/P2787#Scope, hourly updated report, SPARQL

This property is being used by: es:Plantilla:Ficha de estructura, es:Plantilla:Ficha de estructura/Pruebas, es:Plantilla:Ficha de puente2, es:Plantilla:Ficha de puente hu:Sablon:Híd infobox eu:Txantiloi:Eraikin infotaula automatikoa, eu:Txantiloi:Eraikin infotaula uk:Шаблон:Міст cs:Šablona:Infobox - most be-x-old:Шаблён:Электрастанцыя it:Template:Ponte be-tarask:Шаблён:Электрастанцыя roa-tara:Template:Ponde Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)