Washington State Route 173

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State Route 173

SR 173 is highlighted in red.
Route information
Auxiliary route of SR 17
Defined by RCW 47.17.360
Maintained by WSDOT
Length11.86 mi[1] (19.09 km)
Existed1964[2]–present
Major junctions
South end SR 17 in Bridgeport
North end US 97 in Brewster
Location
CountryUnited States
StateWashington
CountiesDouglas, Okanogan
Highway system
← SR 172→ SR 174

State Route 173 (SR 173) is an 11.86-mile-long (19.09 km) state highway serving Douglas and Okanogan counties in the U.S. state of Washington. The highway travels northwest along the Columbia River from SR 17 in Bridgeport to U.S. Route 97 (US 97) in Brewster. It serves as an alternate route to SR 17, which travels north of the Columbia River, and serves the Chief Joseph State Park and the Bridgeport Bar State Wildlife Recreation Area. SR 173 was established during the 1964 highway renumbering and codified in 1970, but it has been a part of the state highway system since 1931 as a branch of State Road 10, later Primary State Highway 10 (PSH 10). The highway crosses the Columbia River on the Brewster Bridge, which originally opened in 1928 and was destroyed in 1967 before being re-built a decade later.

Route description

Looking northbound on SR 173 in Bridgeport

SR 173 begins at an intersection with SR 17 southwest of the Bridgeport Bridge in Bridgeport, a city in rural Douglas County. The two-lane street travels northwest through Bridgeport as Foster Creek Avenue and turns northeast onto 17th Avenue and later northwest as Columbia Avenue to Bridgeport Park, where SR 173 turns southwest onto 10th Street and Maple Street to leave the city. The highway turns northwest, following the Columbia River towards Chief Joseph State Park. SR 173 continues west, forming the southern boundary of the Bridgeport Bar State Wildlife Recreation Area before crossing the Columbia River into Okanogan County on the Brewster Bridge. The highway enters Brewster and becomes Bridge Street, traveling north over Swamp Creek to end at an intersection with US 97.[3]

Every year, the Washington State Department of Transportation (WSDOT) conducts a series of surveys on its highways in the state to measure traffic volume. This is expressed in terms of average annual daily traffic (AADT), which is a measure of traffic volume for any average day of the year. In 2011, WSDOT calculated that between 970 and 3,400 vehicles per day used the highway, mostly in Brewster.[4]

History

SR 173 follows the route of wagon roads built in the late 19th century between Brewster Ferry and Bridgeport Ferry on the east side of the Columbia River.[5] The Brewster Bridge was completed in June 1928 and the roadway was first codified in 1931 as part of a State Road 10 branch that connected Brewster to Coulee City.[6][7][8] State Road 10 became PSH 10 and retained the branch during the creation of the primary and secondary state highway system in 1937 as the state purchased the Brewster Bridge.[9][10] The branch was moved to the west side of the Columbia River, located north of Bridgeport, in 1951 and a new branch between Bridgeport and Brewster was created to continue maintenance of the paved highway.[11][12] During the 1964 highway renumbering, SR 173 was established on the route of the PSH 10 branch between Bridgeport and Brewster, later re-aligned into a straighter highway and codified in 1970.[2][13] The Brewster Bridge later was destroyed in a fire in August 1967,[14] being replaced by a 15-minute ferry until the new span was opened in the 1970s.[15][16] No major revisions to the route of the highway have occurred since 1970,[17] however the state tried unsuccessfully to transfer ownership of SR 173 and the Brewster Bridge in 1986.[18]

Major intersections

CountyLocationmi[1]kmDestinationsNotes
DouglasBridgeport0.000.00 SR 17 – Okanogan, Grand Coulee DamSouthern terminus
OkanoganBrewster11.8619.09 US 97 – Wenatchee, OkanoganNorthern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References

  1. ^ a b Strategic Planning Division (March 5, 2012). State Highway Log Planning Report 2011, SR 2 to SR 971 (PDF) (Report). Washington State Department of Transportation. pp. 1167–1170. Retrieved January 31, 2013.
  2. ^ a b "47.17.360: State route No. 173". Revised Code of Washington. Washington State Legislature. 1970. Retrieved January 31, 2013.
  3. ^ Google (January 31, 2013). "State Route 173" (Map). Google Maps. Google. Retrieved January 31, 2013.
  4. ^ Staff (2011). "2011 Annual Traffic Report" (PDF). Washington State Department of Transportation. p. 152. Retrieved January 31, 2013.
  5. ^ Washington: Okanogan Quadrangle (JPG) (Map). 1:250,000. United States Geological Survey. June 1905. Retrieved January 31, 2013.
  6. ^ "Brewster Bridge Over Columbia to Be Completed About June 1". The Spokesman-Review. April 17, 1928. p. 8. Retrieved January 31, 2013.
  7. ^ "First Brewster Bridge erected in 1928". Quad-City Herald. July 5, 1979. p. 8. Retrieved January 31, 2013.
  8. ^ Washington State Legislature (1931). "Chapter 31". Session Laws of the State of Washington. Session Laws of the State of Washington (1931 ed.). Olympia, Washington: Washington State Legislature.
  9. ^ Washington State Legislature (March 17, 1937). "Chapter 185: Establishment of Primary State Highways". Session Laws of the State of Washington. Session Laws of the State of Washington (1937 ed.). Olympia, Washington: Washington State Legislature. p. 939. Retrieved January 31, 2013.
  10. ^ "State To Purchase Bridge At Brewster". Douglas County Farmer. March 19, 1937. p. 3. Retrieved January 31, 2013.
  11. ^ Washington State Legislature (1951). "Chapter 273". Session Laws of the State of Washington. Session Laws of the State of Washington (1951 ed.). Olympia, Washington: Washington State Legislature.
  12. ^ Okanogan, 1954 (JPG) (Map). 1:250,000. United States Geological Survey. 1954. Retrieved January 31, 2013.
  13. ^ Okanogan, 1963 (JPG) (Map). 1:250,000. United States Geological Survey. 1963. Retrieved January 31, 2013.
  14. ^ "Bids Invited on New Span at Brewster". The Spokesman-Review. January 15, 1969. p. 2. Retrieved January 31, 2013.
  15. ^ "Road Work Slows Autos". The Spokesman-Review. April 14, 1970. p. 9. Retrieved January 31, 2013.
  16. ^ "Bridgeport Police Report". Quad-City Herald. July 22, 1976. p. 2. Retrieved January 31, 2013.
  17. ^ Washington State Highways, 2011–2012 (PDF) (Map). 1:842,000. Washington State Department of Transportation. 2011. Archived from the original (PDF) on July 26, 2012. Retrieved January 31, 2013.
  18. ^ "Town may own Brewster Bridge?". Quad-City Herald. August 14, 1986. p. 1. Retrieved January 31, 2013.

External links

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