Draft done, did 49ers do enough to win Super Bowl?

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Is it enough?

That's the question for the 49ers, who concluded compiling their 2014 roster - aside from a few tweaks - on Saturday, the final day of the NFL draft.

Now in the fold are the players who will open Levi's Stadium. The players who will face the grueling twice-in-17-days gantlet against the Seahawks. The players who will try to win a Super Bowl.

Is it enough?

Over three days, the 49ers wheeled. They dealed. They filled needs. They impressed the draft pundits. They thought about the long-term future, but mostly about short-term needs. As in Nov. 27 and Dec. 14, their two regular-season games against Super Bowl champion Seattle.

There's no overstating the importance of this 2014 season. Jim Harbaugh's future with the 49ers most likely rests on a successful Super Bowl run. This team was - as some have put it - just 4 inches from the Super Bowl in January. The distance Colin Kaepernick's ball to Michael Crabtree in the end zone was underthrown, allowing Richard Sherman to bat it away.

Drafts are usually about the future, but not so much in the 49ers' case this year. The 49ers need to win now. They have a Super Bowl-ready team, a Super Bowl-ready coach who is operating without a contract extension and would enter a lame-duck year in 2015. Their window is open right now, and it may never be so wide open again.

To that end, the 49ers addressed many questions in the draft. They shored up their depleted secondary - the biggest concern of any position - with their first-round pick, Jimmie Ward. Ward is versatile. He can cover. He can tackle. He can play nickel, play safety.

The 49ers added a top-line receiver to go along with Crabtree and Anquan Boldin. Friday's trade with Buffalo for Stevie Johnson didn't bring the 49ers a speedster (they may have gotten that with fourth-round pick Bruce Ellington) but gave them another quality, experienced receiver. And 49ers fans were quick to post a GIF of Johnson beating Sherman in a 2012 game (the Bills were already down by four scores when it happened). The trade for Johnson is significant, because if there's one thing this organization has proved in recent years it's that it is not very good at drafting wide receivers. Trading for a proven player is a far better tactic.

The draft of Ohio State's Carlos Hyde brings depth at running back, though anyone who's ready to push Frank Gore out of the building hasn't been paying attention. Gore is the most significant reason the 49ers took one of three games from the Seahawks last year. Third-round pick Chris Borland gives needed depth at linebacker, currently a depleted position due to injury and off-field issues.

But there are still plenty of questions for the 49ers heading into this critical season.

The euphoria of the draft could quickly dissipate Monday, when Aldon Smith has yet another court date. Smith's legal troubles remain unresolved, but once they are, the 49ers fully expect Roger Goodell to issue some sort of suspension. How long the 49ers will be without their premier pass-rusher may have a major impact on this season.

In addition to Smith, the 49ers could be missing their other top defensive player. NaVorro Bowman is on the mend from a significant knee injury. In February, Harbaugh said he expected Bowman to probably miss half the season.

It would be a daunting hurdle for the 49ers to be without their two best defensive players for the first half of the season. There are plenty of other players, including Tank Carradine and Corey Lemonier, who the 49ers think could contribute to the defense, but they are not proven commodities, nowhere near the level of Smith and Bowman, who are two of the elite players in the NFL.

And the secondary remains a question, even with the addition of Ward. The starting cornerbacks, right now, are Tramaine Brock and Chris Culliver. Though the 49ers drafted cornerbacks on Saturday in later rounds, those players usually just provide competition and not impact.

The most critical piece of the 49ers' puzzle remains Colin Kaepernick. Kaepernick is expected to receive a contract extension, but it hasn't happened yet. The 49ers backed off during the recent investigation in Miami after Kaepernick's name appeared in a police report. Though sources say the team stands by Kaepernick and his version of events - that he wasn't even in the apartment when the phone call to 911 was made - the development is still unsettling and an example of how Kaepernick is now operating under the microscope.

But the biggest question about Kaepernick is on the field, where he has to get better. He's a workout warrior, and no one has to worry about his strength or fitness level. But he needs to improve as a quarterback and decision maker. He regressed in 2013, which is not surprising - many players take a step backward in their second year as a starter as more is expected of them and other teams have more film. But to lead the 49ers to a Super Bowl, Kaepernick has to be more productive than he was in 2013.

The 49ers gave him some more weapons over the weekend. They have shored up the defense that can get him back the ball. They are hoping this draft is more like the 2011 draft than the unproductive 2012 class.

So this is your 2014 49er team, the one that will try to win a Super Bowl in this critical season.

Is it enough?