• North to Alaska By RV 2021
    A "Trans-Alaska Pipeline @ the Tanana River" selfie — Big Delta SHP, AK.
    The river crossing of the Tanana with the traffic bridge behind it — Big Delta SHP, AK.The Trans-Alaska Pipeline Tanana River Crossing — Richardson Hwy Interpretive Turnout, AK.The Trans-Alaska Pipeline Tanana River Crossing — Richardson Hwy Interpretive Turnout, AK.The TransAlaska Pipeline makes a turn after crossing the Tanana River — Richardson Hwy, AK.

    There’s the Pipeline ... Again

    14 de junio de 2021, Estados Unidos ⋅ ☀️ 68 °F

    Over the course of its 800-mile route, the Trans-Alaska Pipeline crosses 500+ rivers ... 34 of them major bodies of water.

    In most cases, the pipeline is buried under the river bed. That simply wasn’t possible with the fast-flowing Tanana River. The scouring effect of the silt carried by the rushing water also made burying the pipeline impossible.

    Instead, at this point along the Tanana River, which is just up the Richardson Highway near the Big Delta SHP, the pipeline is suspended by steel cables between two towers. At 1,200 feet, This is the second longest river crossing the pipeline makes ... the longest being the one at the Yukon River, which we saw in 2001. It’s an interesting sight to see ... especially standing under it.

    The Tanana Pipeline Bridge is designed to withstand an earthquake of magnitude 7.5, temperatures as low as -60F, and winds up to 100 mph.    Leer más

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