Iowa ranks 40th in the nation in highway performance and cost-effectiveness in the Annual Highway Report by Reason Foundation.

Iowa ranks 20th in fatality rate, 35th in deficient bridges, 37th in rural Interstate pavement condition, 46th in urban Interstate pavement condition, and 4th in urbanized area congestion.

On spending, Iowa ranks 19th in total disbursements per mile and 25th in administrative disbursements per mile.

Iowa’s best rankings are urbanized area congestion (4th), total disbursements per mile (19th), and fatality rate (20th).

Iowa’s worst rankings are rural arterial pavement condition (48th) and urban Interstate pavement condition (46th).

Iowa’s state-controlled highway mileage makes it the 31st largest system.

Iowa’s Complete Results Ranking
Overall Rank in 2013: 40
Overall Rank in 2012: 18
Overall Rank in 2011: 12
Performance by Category in 2013 Ranking
Total Disbursement per Mile 19
Capital-Bridge Disbursements per Mile 24
Maintenance Disbursements per Mile 22
Administrative Disbursements per Mile 25
Rural Interstate Percent Poor Condition 37
Rural Other Principal Arterial Percent Poor Condition 48
Rural Other Principal Arterial Percent Narrow Lanes 28
Urban Interstate Percent Poor Condition 46
Urbanized Area Congestion, Annual Delay Per Auto Commuter 4
Bridges Percent Deficient 35
Fatality Rate per 100 Million Vehicle-Miles of Travel 20

The Annual Highway Report is based on spending and performance data submitted by state highway agencies to the federal government for 2013. For more details on the calculation of each of the 11 performance measures used in the report, as well as the overall performance measure, please refer to the appendix in the main report. The report’s dataset includes Interstate, federal and state roads but not county or local roads. All rankings are based on performance measures that are ratios rather than absolute values: the financial measures are disbursements per mile, the fatality rate is fatalities per 100 million vehicle-miles of travel, the urban congestion measure is the annual delay per auto commuter, and the others are percentages. For example, the state ranking 1st in deficient bridges has the smallest percentage of deficient bridges, not the smallest number of deficient bridges.

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