13-517: The Grand Coulee Bridge , or Columbia River Bridge at Grand Coulee Dam , is a through-cantilever steel truss bridge built in 1934–35. It carries State Route 155 across the Columbia River immediately below Grand Coulee Dam , near the city of Grand Coulee, Washington . It was added to the National Register of Historic Places in 1982. The bridge was built to transport heavy equipment across
26-582: A property in Washington on the National Register of Historic Places is a stub . You can help Misplaced Pages by expanding it . This article about a bridge in the U.S. state of Washington is a stub . You can help Misplaced Pages by expanding it . Washington State Route 155 State Route 155 is a state highway in the U.S. state of Washington , running from U.S. Route 2 near Coulee City over Disautel Pass to U.S. Route 97 and State Route 20 in
39-609: A law authorizing the creation of a new state highway numbering system under the direction of the Washington State Highway Commission . The law came in response to confusion experienced by tourists visiting during the 1962 World's Fair , held in Seattle . The highway commission approved its numbering plan on June 19, 1963, using even numbers for east–west routes and odd numbers for north–south routes; primary routes would have lower numbers, while secondary routes would use
52-484: A major highway renumbering in 1957, expanding on the existing primary and secondary system with numbers as high as 59, but serious consideration of a full-scale renumbering began in 1962. It had the specific goal of replacing letter suffixes with two- and three-digit numbers, which would not repeat or conflict with each other or with federal route numbers. In 1963, the Washington State Legislature passed
65-567: Is now State Route 155 Spur to terminate at U.S. Route 97 in downtown Omak. When the US 97 bypass was built a few years later, State Route 155 was rerouted onto its current alignment. Prior to the 1964 highway renumbering , the section of State Route 155 from Coulee City to the Grand Coulee Dam was numbered Secondary State Highway 2F. From Grand Coulee to Omak, it was numbered Secondary State Highway 10A. A short spur route of SR 155 connects
78-590: The Columbia River just north of the Grand Coulee Dam . On the north side of the Columbia, State Route 155 turns west and traverses the Colville Indian Reservation , passing through the communities of Nespelem and Disautel , crossing Disautel Pass at an elevation of 3,252 feet (991 m). As the highway descends from the pass, it approaches the town of Omak on Omak Avenue. On the east side of
91-608: The Columbia River during the construction of the dam, and thereafter as a permanent highway bridge. As such, it was designed to carry a heavier load than was typical. The bridge is supported by two concrete piers, about 150 feet (46 m) high. During construction, one of the piers began to tilt, probably due to fine glacial material under the gravel. Additional supports were added as a temporary measure. It employed between 1,000 and 1,200 men. The piers were later taken down to bedrock using pneumatic caissons . This article about
104-578: The city of Omak . It is the main north–south route through the area around Grand Coulee Dam . State Route 155 begins at an intersection with U.S. Route 2 northeast of Coulee City . From there, the highway heads north, paralleling the shore of Banks Lake for much of the southern part of the route. After passing Steamboat Rock State Park , it crosses over Osborn Bay Lake before passing through Electric City . It then intersects State Route 174 in Grand Coulee . The highway then heads northeast, crossing
117-510: The main highway to downtown Omak, traveling for 0.37 miles (0.60 km) on Omak Avenue. It continues west from the US ;97/SR 20 underpass and crosses over the Okanogan River before ending at an intersection with SR 215 . The spur route was designated on the former route of SR 155 prior to the construction of the US 97 expressway in eastern Omak. WSDOT plans to rebuild
130-513: The spur route's crossing of the Okanogan River in 2025 with wider lanes by replacing the sidewalks with a parallel pedestrian bridge. 1964 highway renumbering (Washington) The 1964 state highway renumbering was a reorganization of state highways in the U.S. state of Washington . The new system, based on sign routes (SR, later changed to state routes ), replaced the primary and secondary highway system implemented in 1937. It
143-444: The town, it crosses under the two-lane carriageway of U.S. Route 97 and State Route 20. Since there is no access immediately at this underpass, State Route 155 continues three blocks west before turning south along Dayton Street to access U.S. Route 97. At the intersection of Omak Avenue and Dayton Street, a spur route of State Route 155 begins and continues west along Omak Avenue to terminate at State Route 215 in downtown Omak. This
SECTION 10
#1732851596310156-551: Was first signed in January 1964 and codified into the Revised Code of Washington in 1970. The former numbering system of primary and secondary state highways , using lettered suffixes and unnamed branches, created confusion for motorists as the system expanded. The system also ignored, or conflicted with, the federal highway system and the then-developing Interstate Highway System . The state highway department originally planned for
169-406: Was the original alignment of State Route 155 before U.S. Route 97 was realigned onto its current bypass. State Route 155 Spur is 0.37 miles (0.60 km) long. When State Route 155 was first established in 1964, U.S. Route 97 passed through downtown Omak and Okanogan on what is now State Route 215, rather than on its easterly bypass as it does today. Thus, State Route 155 continued west on what
#309690