Construction spending slipped in March from upwardly revised February totals but increased modestly from a year earlier, according to an analysis by the Associated General Contractors of America. Association officials cautioned, however, that those spending gains could be at risk if Congress and the Obama administration fail to address highway funding shortfalls that threaten to undermine the sector’s recovery.

“The first quarter as a whole was positive for all major categories of construction despite a weak March for residential and public construction spending,” said Ken Simonson, the association’s chief economist. “Current indications suggest private nonresidential construction and multifamily housing will continue to grow throughout the year. But funding for infrastructure is in jeopardy, which threatens to hold down public construction.”

Construction spending in March totaled $967 billion at a seasonally adjusted annual rate, 0.6 percent lower than the upwardly revised February figure but 2.0 percent higher than in March 2014, Simonson said. For the first three months of 2015 combined, spending exceeded the first-quarter 2014 total by 3.2 percent. Simonson added that weather-related anomalies in the first few months of the year, along with revisions to prior data, mean year-to-date comparisons for the full quarter are more revealing than figures for a single month.

Private residential spending edged up 0.9 percent from the first quarter of 2014 to the same period in 2015, while private nonresidential spending increased 6.4 percent and public construction spending rose 1.7 percent. However, these relatively mild overall increases masked large swings among some components, Simonson pointed out.

“Among the three residential categories, multifamily construction spending surged 27 percent in the first quarter compared with the year-ago period,” he said. “New single-family construction rose 10 percent, while residential improvements supposedly plunged 25 percent. However, the improvements data is very unreliable.”

Simonson observed that the largest private nonresidential component, power construction, declined 16 percent in the first quarter. However, other large private nonresidential segments rose steeply in the period: manufacturing construction, up 35 percent from the first three months of 2014; commercial (retail, warehouse and farm), up 17 percent; and office, up 23 percent. In contrast, the biggest public segments had year-to-date declines: highway and street construction, down 2.9 percent; and educational, down 1.1 percent.

Association officials cautioned that highway and street construction investments were likely to continue declining unless Congress and the administration can work out a way to pay for and pass new legislation to repair the nation’s aging roads and bridges before the program expires later this month. They urged motorists to visit www.DriveBetterRoads.org to share stories of bad road conditions in their areas.

“If Washington can’t figure out a way to fix our roads and bridges, investment in public construction is likely to decline,” said Stephen E. Sandherr, the association’s chief executive officer.

For more information, visit www.agc.org.

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