Ввиду ремонта вход закрыт.

Here ввиду means because of, in view of, or due to.

So Ввиду ремонта вход закрыт means something like:

• Due to repairs, the entrance is closed
• Because of ремонт, the entrance is closed

It is fairly common in formal or written notices, signs, and official language. In everyday speech, Russians often prefer:

• из-за ремонта — because of the repairs

So this sentence sounds natural, but a bit more formal or sign-like than casual conversation.

Because ввиду normally takes the genitive.

So:

• ремонт = nominative
• ремонта = genitive

This is similar to how some English prepositions require a certain form, except in Russian the following noun changes case.

Examples:

• ввиду дождя — due to rain
• ввиду отсутствия времени — due to lack of time
• ввиду ремонта — due to repairs

So ремонта is not random: it is there because ввиду governs the genitive.

In this sentence, it is one word: ввиду.

That matters, because:

• ввиду = a preposition meaning because of / due to
• в виду = usually a different expression, often meaning in view, within sight, or appearing in phrases like иметь в виду (to keep in mind / to mean)

Compare:

• Ввиду ремонта вход закрыт. — Due to repairs, the entrance is closed.
• Я имею в виду другое. — I mean something else.

Learners often confuse these, because they sound the same.

Закрыт is the short-form passive participle of закрытый.

In sentences like this, Russian commonly uses the short form to state a condition or result:

• вход закрыт — the entrance is closed
• магазин открыт — the shop is open
• дверь закрыта — the door is closed

This is different from:

• закрытый вход — a closed entrance as an adjective before a noun
• вход закрывается — the entrance is closing or gets closed, which focuses on the process

So вход закрыт is the standard way to say that the entrance is in a closed state.

Because вход is a masculine singular noun.

The short-form participle agrees with the noun:

• masculine: закрыт
• feminine: закрыта
• neuter: закрыто
• plural: закрыты

Examples:

• вход закрыт — the entrance is closed
• дверь закрыта — the door is closed
• окно закрыто — the window is closed
• ворота закрыты — the gates are closed

So the form depends on the gender and number of the noun being described.

In the present tense, Russian usually omits есть when it would mean am / is / are.

So:

• вход закрыт literally looks like entrance closed
• but it means the entrance is closed

This is normal Russian grammar.

Compare:

• Дверь открыта. — The door is open.
• Магазин закрыт. — The shop is closed.

Russian does have forms of to be, but in the present tense they are usually not expressed in sentences like this.

Both are possible.

The version with ввиду ремонта first sounds very natural for a notice or sign, because it gives the reason immediately:

• Ввиду ремонта вход закрыт. — Due to repairs, the entrance is closed.

You could also say:

• Вход закрыт ввиду ремонта.

That version puts the main statement first and the reason second.

On signs, Russian often likes concise, official-sounding structures, and putting the reason first is common.

It can cover both ideas.

In Russian, ремонт is a broad word that can mean:

• repair work
• maintenance work
• renovation
• refurbishing

On a sign like this, it usually means repair/renovation work is being done. English might translate it differently depending on context:

• Due to repairs
• Due to renovation
• Closed for maintenance

So ремонта does not tell you exactly what kind of work is happening; it just signals that work on the place is the reason.

Yes. It is a perfectly normal complete sentence in Russian, especially for a sign or notice.

Russian often uses very compact wording in announcements:

• Вход воспрещён.
• Проход закрыт.
• Касса не работает.

Here the structure is essentially:

• reason: ввиду ремонта
• main statement: вход закрыт

Nothing important is missing. It is short because signs are usually brief.

Yes, absolutely.

That would mean the same thing:

• Из-за ремонта вход закрыт. — The entrance is closed because of repairs.

The difference is mostly in style:

• ввиду ремонта = more formal, more typical of official notices
• из-за ремонта = more neutral and common in everyday speech

Also, из-за can sometimes sound a bit more conversational. On a printed sign, ввиду often feels more standard.

In this context, вход usually means entrance or entryway/access point.

On a sign, English most naturally says:

• Entrance closed
• The entrance is closed
• No entry due to repairs

So the exact translation depends on what sounds natural in English, but in Russian вход refers to the place or way of entering.

Related words:

• вход — entrance / entry
• выход — exit

On signs, these are extremely common.