How much does it cost to build a new Interstate?

•New Interstate Total Costs………..$7.2-$9.4 M The problem with planning level estimates is that they only include construction costs. They fail to take development costs into account or project-specific issues such as right of way, environmental mitigation, or soil and site conditions.

How much does it cost to build a road in Washington?

This is not true. Washington State’s costs for typical roadway projects are very much in line with comparable projects from other states. However, when it comes to very large, complicated projects, the significant variations in scope and setting for each project limit the usefulness of state- to-state comparisons.

What makes a highway cost more per lane mile?

The biggest factors in variations in costs per lane mile are: • Structures and interchanges: Projects that have structures and interchanges have a much higher cost per lane mile. • Right of way: If a project can be built within existing right of way, then its cost per lane mile is much less than a project that needs additional right of way.

How does right of way affect construction cost?

• Right of way: If a project can be built within existing right of way, then its cost per lane mile is much less than a project that needs additional right of way. • Environmental impacts: Mitigation costs for environmental impacts have a dramatic affect on cost per lane mile.

When does the cost estimating guide for road construction come out?

Cost Estimating Guide for Road Construction Published September 8, 2020 Cost Estimating Guide for Road Construction USDA FOREST SERVICE NORTHERN REGION ENGINEERING DIVISION 100 – GENERAL REQUIREMENTS – Page 1 of 122Published 9/8/2020 3:44 PM PART I. CONTENTS PART II.

How much does it cost to put in a new driveway?

Installing a new driveway is not cheap, with poured concrete costing at $6 to $10 per square foot, on average, and considerably more if there is demolition of the old concrete slab involved, or it you want the driveway stamped or stained for a decorative effect.

How much does it cost to widen a road in Idaho?

Idaho Base Excavation $/Mile for Road Widening with Linear Grading, 1:1 cut slope……. 65 Table 44. Montana Base Excavation $/Mile for Road Widening with Linear Grading, ¾:1 cut slope 66 Table 45.

Which is the least expensive driveway to build?

Even at the high end, it’s still about the least expensive driveway you can build, depending on how far the gravel has to be trucked and the thickness of the driveway.