State Route 24 in Washington
State Route 24 or SR-24 is a state route in the U.S. state of Washington. The road forms an east-west route in the east of the state, from Yakima to Othello. State Route 24 is 128 kilometers long.
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State Route 24 near the Hanford Site.
State Route 24 begins at a junction with Interstate 82 in the east of the city of Yakima. The road has 4 lanes for a short while, but after that it is a single lane road, shortly after Yakima the road runs through desolate and almost unpopulated steppe. This region also has some mountains with peaks up to around 1,200 meters. The road heads east to the Hanford Site, then turns north and crosses the Columbia River. From there, the road heads east through flat and barren terrain. Gradually, the rangeland turns into irrigated agricultural land. The road then turns north and ends in the town of Othello on State Route 26.
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The first unpaved roads in this inhospitable region were built in the 1910s. A ferry service across the Columbia River was established at White Bluffs. In 1937, Secondary State Highway 11A was introduced on the east-west route from Yakima through Othello to Connell, where it connected to US 395. In 1938 the ferry service was moved to Hanford.
During World War II, the United States began to develop nuclear weapons, including at the Hanford Site, for which a section of the road was purchased and closed to non-military traffic from 1943, cutting the route into two parts. In the early 1940s the road was paved.
The Washington government filed a lawsuit against the federal government to free up funds for a new road link around the Hanford Site. Between 1954 and 1955, a new dirt road was built between the bridge over the Columbia River and the land southwest of Othello. The road was paved in 1961. Subsequently, the Vernita Bridge over the Columbia River was built in 1964-1965, which replaced the ferry service. This was a toll bridge until 1977.
With the renumbering of the state routes in 1964, the road between Yakima and Othello was renumbered State Route 24. Between 2005 and 2007, a new 4-lane bridge was built over the Yakima River, just east of I-82. The bridge opened to traffic on June 28, 2007. In 2008, overtaking lanes were also built to the east due to the increased freight traffic on State Route 24.
21,000 vehicles travel daily on the east side of Yakima, descending to approximately 3,500 vehicles as far as the Hanford Site and 5,100 vehicles across the Varnita Bridge over the Columbia River. To the east, approximately 2,000 vehicles drive as far as Othello.
State Route 25 in Washington
State Route 25 or SR-25 is a state route in the U.S. state of Washington. The road forms a north-south route in the northeast of the state, from Davenport through Kettle Falls to the Canadian border at Northport. State Route 25 is 195 kilometers long.
The bridge over the Spokane River.
State Route 25 begins in Davenport on US 2, about 31 miles west of Spokane. The road begins on the rolling steppe of eastern Washington, but quickly heads north into the mountains. The road crosses the Spokane River where it flows into the Columbia River. The road then follows the raging Columbia River valley northwards, with the Kettle River Range to the west, up to approximately 2,100 meters. To the east are mountains up to 1,700 meters high.
The route through the Columbia River valley leads through a sparsely populated region. There is only one noteworthy place on the route, the town of Kettle Falls, where the US 395 crosses. State Route 25 continues along the Columbia River northeast to the village of Northport, where it crosses the river and the road continues through a valley to the border with Canada. Highway 22 in British Columbia then continues to Rossland and Castlegar.
In the early 20th century, a series of roads were built along the Columbia River. Beginning in 1913, the northernmost section became part of the Inland Empire Highway, which formed a serpentine route through eastern Washington. The part between Kettle Falls and the border with Canada was part of this. In 1915, the road was renumbered State Route 22.
The original bridge over the mouth of the Spokane River was flooded with the construction of the Grand Coulee Dam, which created Franklin D. Roosevelt Lake, a huge reservoir that also includes part of the Spokane River. In 1941 a new higher bridge opened to traffic. The bridge over the Columbia River at Northport was built between 1949 and 1951.
With the renumbering of 1964, the number State Route 25 was assigned to this route. State Route 25 largely has secondary importance, US 395, which forms a large X with State Route 25 in northeast Washington, is a somewhat more important route for through traffic.
Characteristic of State Route 25 is the low traffic volume, on a large part of the route only 500 to 1,000 vehicles per day, with somewhat higher intensities around Kettle Falls.