Nanton Golf Club Gets a new Bridge!

Last week construction crews finished placing the new Nanton Golf Course bridge.  This bridge was a black steel truss bridge with a timber deck.  It was manufactured in the shop in Lethbridge and transported to the site in two pieces. The previous bridge was an old railway car that was dropped on makeshift abutments.  It […]

Global News Praises new Lethbridge County Bridge!

Construction has just finished on our new bridge just outside of Lethbridge, AB.  Bridge File 79604 was designed by Roseke Engineering Ltd. and built by Volker Stevin Highways Ltd. Today Global News featured our bridge in their telecast.  We think it’s a pretty fantastic structure ourselves. Fast forward to the 7:08 mark to see the […]

Tender Results for Bridge File 76077

Tenders for this project were opened at the Lethbridge County office at 11:00 am on March 31, 2017. BRIDGE REPLACEMENT AND OTHER WORK BRIDGE FILE 76077, NW 26-11-22-W4 LOCAL ROAD OVER LNID CANAL NORTH OF PICTURE BUTTE Thank you to everyone who submitted a bid.  The winner was Volker Stevin Highways Ltd. with a low […]

Invitation to Tender – Bridge File 76077

Lethbridge County is inviting tenders for the replacement of bridge file 76077, a 3 span treated timber bridge over an LNID (Lethbridge Northern Irrigation District) canal.  Tender opening day is Friday March 31, 2017. It involves removing a three span timber bridge and installing another 3 span bridge.  The replacement structure is 10 m – […]

BF 79604 – Tender Results

Thank you to everyone who submitted a bid for this project. The winner was Volker Stevin Highways Ltd. We wish everyone the best on future projects. Bidder Tender Price Volker Stevin Highways Ltd. $594,700 Carmacks Enterprises Ltd. $748,642 S & K Structures Ltd. $749,089 DeGraaf Excavating Ltd. $754,762 Golden Triangle Construction Management Ltd. $794,691.36 EllisDon […]

Guide to Pedestrian Bridges

A bridge is a great way to showcase your facility or business. Whether you need the simplest possible structure to cross your stream or roadway, or you want to provide something your customers or clients will notice, there is a bridge out there that’s right for you. But the options can be dizzying.  Pedestrian bridges don’t just […]

Invitation to Tender – BF 79604

Bridge File 79604

The following tender is available on Coolnet and the Alberta Purchasing Connection.  BRIDGE CONSTRUCTION AND OTHER WORK BRIDGE FILE 79604, SW 18-08-20-W4 LOCAL ROAD OVER AN SMRID CANAL SE OF LETHBRIDGE Sealed Tenders for the Construction of a 2 span – 24 m (2 x 12 m span) type SL-510 precast girder bridge on steel […]

Standard Corrugated Steel Pipe Sizes

Corrugated steel pipes

According to ASTM A760, the standard sizes of corrugated steel pipe are: Nominal Inside Diameter in. mm 4 100 6 150 8 200 10 250 12 300 15 375 18 450 21 500 24 600 27 675 30 750 33 825 36 900 42 1050 48 1200 54 1350 60 1500 66 1650 72 1800 […]

Standard Sizes of Precast Concrete Box Culverts

According to ASTM C1433 and C1433M, the standard dimensions of precast concrete box culverts are as listed in the table below. You can stand them up or lay them down flat, and you can put as many as you want side by side. Dimensions Thickness ft x ft mm x mm inches mm 3 x […]

How to Design a Concrete Box Culvert

Concrete box culvert

One of mine! Concrete box culverts are one of those items that very few engineers have to tackle regularly. I will assume you have already performed the hydrology and therefore know the design flow and channel tailwater, as this is not specific to concrete box design and not part of the scope of this article.  […]