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What grade do civil engineers give to US infrastructure? D+

The American Society of Civil Engineers’ report card says Massachusetts roads, bridges, and more have plenty of room for improvement, too.

Just over 9 percent of Massachusetts’s bridges are structurally deficient. Associated Press

Once every four years, the American Society of Civil Engineers (ASCE) releases a report card on the state of US infrastructure. Earlier this month, it handed down a second consecutive D+ (an improvement from its D eight years ago). This doesn’t mean bridges and dams are headed for mass collapse — grades are based on eight factors, including resilience, future needs, and innovation. The ASCE says we could get a B by 2025 with smart spending, political will, and planning.

> 36,423 — Miles of public roads in the state, of which 16 percent are considered to be in poor condition


> $539 — Average annual repair costs to motorists from driving on bad Massachusetts roads

> $112 billion — Amount Americans spent in 2014 on extra car repairs from driving on poor roads

> 9.3% — Percent of Massachusetts’s 5,171 bridges that are structurally deficient, vs. 9.1 percent nationally

> 32 — Number of Massachusetts sites on the National Priorities List for addressing hazardous waste issues

> 36th — Massachusetts’s rank among US states for renewable energy output

> 3% — Percent of energy needs at Logan Airport supplied by its 20 wind turbines

> $1.4 billion — Gap in estimated annual spending on Massachusetts school facilities vs. their needs; the gap for the entire country is $38 billion

> $8.35 billion — Estimated Massachusetts 20-year capital investment needs for waste water to meet quality objectives of the Clean Water Act

> $1.2 billion — Estimated spending over 20 years for drinking water that meets the Clean Water Act’s objectives

> $17.8 billion — Estimated additional costs to maintain Massachusetts’s entire water infrastructure in the next 20 years, with about half needed for waste water treatment

Sources: American Society of Civil Engineers; Commonwealth of Massachusetts