Load Capacity of 10 Bridge Structures
- Brand:
- Ausenco Sandwell
- Client:
- Ministry of Transportation Engineering
- Location:
- British Columbia, Canada
The Ministry hired Ausenco Sandwell to provide load ratings for 10 bridges in the Southern Interior and Northern regions of British Columbia. Ausenco Sandwell did the analysis in accordance with the CHBDC CSA S6 and Ministry supplements, using finite element and grillage models for load distribution. Three configurations of permit vehicles, with or without trailers, a 6 axle crane and the CL625 design vehicle were assessed for the following bridges:
Burrard Avenue Bridge -- A four span, 157m, prestresssed concrete girder bridge on steel piles, built in 1990.
Ahbau Creek Bridge – A two span, 50m bridge with variable depth concrete girders built in 1957. External post-tensioning was added in 2000.
Nation River Bridge – A three span, 74m, prestressed concrete girder bridge on concrete abutments and two-column concrete piers, built in 1994.
Burns Lake Trestle – A nineteen span, 214m, prestressed concrete girder bridge built in 1957.
Moose River Bridge – A three span, 58m bridge with concrete decks on structural steel stringers, plate girders and floor beams, built in 1971.
Engen Overhead Bridge – A single span, skewed, 33m, prestressed concrete girder bridge built in 1990.
PGE Overpass – A three span, skewed, 23m, concrete girder bridge built in 1958.
North Nechako Road Overpass – A two-span, 48m, 5 lane, curved and skewed bridge with prestressed concrete girders, built in 2001.
Northstar Bridge – A single span, 26m, 5 lane bridge with prestressed composite concrete girders, built in 1984.
Burns Lake Overhead – A three span, 61m, skewed bridge with prestressed concrete girders, built in 1984.
View the full factsheet here.
