Michigan’s Bureau of Investments, which manages nearly $48 billion for four Michigan pension plans, committed $170 million to infrastructure in fourth quarter 2011, according to a March 1 investment advisory committee report. The bureau committed $100 million to a customized infrastructure strategies and co-investment portfolio managed by Credit Suisse Group and $70 million to J.P. Morgan AIRRO India SideCar Fund, an India-focused infrastructure fund managed by J.P. Morgan Asset Management.

The Credit Suisse vehicle is a “multi-sector, geographically diverse portfolio” focused on the secondary infrastructure fund market, and the J.P. Morgan sidecar fund is focused on toll road investments in India.

The Bureau of Investments manages the $37 billion