The Lytton CNR Thompson Bridge is a deck

truss bridge A truss bridge is a bridge whose load-bearing superstructure is composed of a truss, a structure of connected elements, usually forming triangular units. The connected elements (typically straight) may be stressed from tension, compression, or ...

carrying the

Canadian National Railway The Canadian National Railway Company (french: Compagnie des chemins de fer nationaux du Canada) is a Canadian Class I freight railway headquartered in Montreal, Quebec, which serves Canada and the Midwestern and Southern United States. CN i ...

tracks from across the

Thompson River The Thompson River is the largest tributary of the Fraser River, flowing through the south-central portion of British Columbia, Canada. The Thompson River has two main branches, the South Thompson River and the North Thompson River. The river ...

Lytton, British Columbia Lytton is a village of about 250 residents in southern British Columbia, Canada, on the east side of the Fraser River and primarily the south side of the Thompson River, where it flows southwesterly into the Fraser. The community includes th ...

, approximately upstream of where the Thompson River merges into the

Fraser River The Fraser River is the longest river within British Columbia, Canada, rising at Fraser Pass near Blackrock Mountain in the Rocky Mountains and flowing for , into the Strait of Georgia just south of the City of Vancouver. The river's annual d ...

. It is of a similar design and should not be confused with the

Lytton CNR Fraser Bridge The Lytton CNR Fraser Bridge is a deck truss bridge carrying the Canadian National Railway tracks across the Fraser River at Lytton, British Columbia. It is of a similar design to the Lytton CNR Thompson Bridge, located approximately north. Th ...

located approximately south. It consists of 3 deck Pratt truss spans which are supported on four concrete piers. The centre two piers are in the river while the outer two are shorter and above the waterline.

British Columbia Highway 12 Highway 12, opened in 1953, is a connection from the Trans-Canada Highway at Lytton to the town of Lillooet, one of two road connections between the Thompson-Nicola and Squamish-Lillooet Regional Districts. The highway originally went all the ...

crosses the Thompson River mostly parallel to, and slightly downstream of this bridge. The south end of the road bridge is directly above the south end of the railroad bridge.

References

Canadian National Railway bridges in Canada Railway bridges in British Columbia {{BritishColumbia-struct-stub