In response to Brandon: I-82 also violates the numbering standard by primarily being a N/S interstate instead of E/W interstate (caused by the original plan to come from Tacoma and over Naches Pass).
Not if you consider it part of the Seattle-Boise corridor, even if it has a lot of N/S movement, and is entirely N/S (and technically wrong-way E/W) in Oregon.
In response to KP Hoger: I will admit that I haven't been through there since September, so my memory might be a little foggy. I'm also not going through a good time in my life right now in all aspects. All I remember was it was around the Rooster Rock area (if it exists). It might not be against standards but I thought it was.
Eastbound or westbound?
Did anyone mention the Interstate bridge or Marqum bridge yet? Both have narrower lanes, and no shoulders. Also the Freemont [sic] Bridge is borderline but I think it makes the cut of being standard.
I believe both were up to Interstate Standards when they were built. Standards since have gotten better.
Edit: I'm not counting the left exits on both bridges, as they were built expressly with respective thru routes in mind. Eastbound US 30 left exits from the Fremont Bridge as it was a left entrance on the otherside; the double deck configuration puts the westbound lanes as a right entrance and a right exit. The westside interchange is a full on Wye; clearance to dip the I-405 N -> US 30 W ramp under the viaduct probably isn't there to also clear the ground level structures and streets.
Arguable violation: Weaving needed for I-405 S -> NW Glisan/Everett/15th; Glisan/Everett/14th -> US 30 W.
I-5 S -> I-405 N was meant to be the US 26 through lanes from unbuilt I-80N. The upper deck is a right entrance and would have been a right exit, with the I-5 S -> I-80N/US 26 E movement similar to the I-405/US 30 Wye. That ghost ramp is still there to marvel at.
And there are no plans to widen the I-82 bridge.
Certainly not from ODOT. I doubt WSDOT is considering it, however.
And can I add I-5 in the Willamette Valley for that ridiculous 65T60 limit? 
Now these are violations:
I-5 Baldock Freeway: Terwilliger Curves
Built as such due to political grandstanding. ODOT has the fix drafted out, but would require nasty ROW acquistion, and be a NIMBY and political fraught battle. Also, expensive.
I-205 Abernathy Bridge. In the pipeline to be addressed with the seismic retrofit accompanying the widening of I-205 from OR 99E to
Wanker's Corner Stafford.
I-5 Pacific Hwy: South Salem Hills.
Possibly. There's one narrow overpass south of Keubler, and there are truck climbing lanes. I believe ODOT has long range plans to widen the freeway from Keubler down toward Albany at some point.
I-405/US 26: 6th Ave -> 12th Ave. Horrendous weaving that can back up traffic onto the Marquam Bridge, and through the Ross Island Maze. Southbound isn't much better with the Montgomery St onramp interacting with the US 26 W onramp and offramp, though that doesn't get nearly as much use.
I-35/70, Kansas City.