Idaho

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Idaho
Road Conditions

According to the latest TRIP analysis of FHWA data, Idaho's overall road conditions are moderate to fairly positive.

  • 14% of state roads are considered to be in poor condition.
  • 24% of state roads are considered to be in mediocre condition.
  • 10% of state roads are considered to be in fair condition.
  • 51% of state roads are considered to be in good condition.
Bridge Conditions

According to the latest FHWA data, Idaho's overall bridge conditions are fairly positive. 7% of state bridges are considered to be in poor condition, 65% are in fair condition, and 28% are considered to be in good shape, ranking the state as 29th in the nation according to the American Road Transportation Builders Association's deficiency rank (which takes into account the District of Columbia, as well as Puerto Rico).

There are 4,493 bridges in the state, comprising 1,761,438 sq meters of overall bridge deck area.

Funding Report

Apportionments under the Fixing America's Surface Transportation (FAST) Act:

2018 Total: $301,068,202.00

2019 Total: $308,890,799.00

2020 Total (estimated, before post-apportionment set-asides, penalties, and sequestration): $316,754,938.00

State Gas Tax (including any ancillary fees): 33.00 cents per gallon

1.30/1.13
Number of Road Fatalities per 100 Million Miles Traveled Vs. U.S. Average
These numbers break down as:

1.65/1.67 Rural
0.84/0.86 Urban
231
Total Number of Motor Vehicle Fatalities Statewide 2018
168/63
Total Number of Motor Vehicle Fatalities Statewide 2018 - Rural vs. Urban

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