Malibamatso River Bridge

Type: Box Girder Bridge
Construction Date: 1988 - 1991
Location: Lesotho
S 29.181845° E 28.481758°
Malibamatso Bridge, situated in the northern parts of the Lesotho highlands, is an 86m high Box Girder Bridge stretching 465m with a 10.5m wide deck.

The bridge rests on 9 spectacular piers, the highest 86m vertical. Unbeknown to most people - these piers are hollow inside. During launch of the deck the movement/tilt and load in each pier had to be monitored on a continuous basis.

Malibamatso River Bridge Instrumentation consists of the following:
  • Inclinometers to measure movement of each pier.
  • Load Cells to measure load between pier and platform.

Installed Instruments Specification:
Inclinometer (Inside each pier)
Geokon Inclinometer Casing Model 6500
Geokon Inclinometer Probe Model 6000
Load Cells (Between pier and Platform)
Geokon Vibrating Wire Model 4800

Designers: Africon

Consulting Engineers: Nicholas O’Dwyer Consulting Engineers

Contractors: Jeffares and Green Engineering

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