Wednesday, November 15, 2023
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Jurisdiction of bridges – BikePortland


You may study a lot within the Feedback sections. In final week’s story concerning the concrete drums PBOT put in on NE twenty first, Jonathan issued a correction. A commenter had identified that PBOT has jurisdiction of the twenty first Avenue overpass over I-84, not ODOT, as he had written.

Jonathan then took to the feedback to bemoan how “confounding” are the jurisdictional boundaries of Portland’s streets. And don’t you recognize that began an extended, informative, sub-thread? A few commenters supplied hyperlinks to the maps they use to find out highway possession, testiness ensued, lastly Quint stepped in. What I favored about Quint’s remark is that they defined why issues are the way in which they’re. I all the time recognize that.

Right here’s Quint’s rationalization of jurisdictional management of overpasses in Portland:

Appropriate, a lot of the bridges throughout I-5 and I-205 are owned by ODOT, even those with PBOT roadways going over them. I believe it has to do with the truth that I-84 was constructed inside a pure gulch. As a result of it was a gulch, a lot of the bridges already existed and had been owned by PBOT, and I-84 was simply constructed beneath the bridges. Even when a bunch of them had been partially rebuilt within the 80s for the MAX venture, there should have been some settlement that they continue to be below PBOT possession.

From what I can bear in mind trying on the bridge maps that was on PBOT’s previous web site (they appear to be lacking from the brand new one), the one I-84 bridges that belong to ODOT are those that carry roads that was ODOT highways. So mainly there appears to be a follow the place even when a freeway is transferred from ODOT to PBOT, ODOT retains possession of the bridges. So the Grand/MLK bridges are nonetheless ODOT, despite the fact that Grand/MLK (aka US Hwy 99E) was transferred to PBOT someday within the 90s (I believe). The Sandy Blvd bridge remains to be ODOT, despite the fact that Sandy Blvd (previously designated as US Hwy 30) was transferred to PBOT within the 00s. And the 82nd Ave bridge remains to be ODOT despite the fact that 82nd Ave (aka OR Hwy 213) was transferred to PBOT final 12 months. The Halsey bridge over 82nd Ave can be ODOT-owned, despite the fact that it’s a PBOT roadway, in all probability as a result of it was constructed as a part of a fancy interchange and was not a previously-existing bridge.

I-5 and I-205 had been constructed later, and created new trenches that wanted new bridges to cross them, so in these instances ODOT constructed them as a part of the venture and stored possession over them long-term.

Thanks Quint! Everyone knows a bit extra now. It’s also possible to learn Quint and all the opposite feedback in context.

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