Ideal Fencing Corp — A RoadGuard Company

Silverthorne CO Guardrail Contractor | Ideal Fencing Corp

Silverthorne sits at the I-70/SH-9 interchange at 9,035 feet, where the Eisenhower Tunnel's westbound exit ramps and the Dillon Reservoir basin create a convergence of high-traffic highway geometry de

Silverthorne sits at the I-70/SH-9 interchange at 9,035 feet, where the Eisenhower Tunnel's westbound exit ramps and the Dillon Reservoir basin create a convergence of high-traffic highway geometry demanding continuous guardrail maintenance. The I-70 West portal approach from Silverthorne toward the Eisenhower Tunnel is among the steepest sustained grades on the interstate system in Colorado.

Frequently Asked Questions

Yes. The west portal approach on I-70 between Silverthorne and the Eisenhower Tunnel is a high-crash, high-maintenance guardrail segment. CDOT Region 1 and Region 3 both have jurisdiction on sections of this approach, and maintenance guardrail contracts are issued regularly. We work under both regional residencies on this corridor.

Interchange ramp guardrail at Silverthorne is designed to MGS standards for high-speed applications. CDOT Standard Plan M-610-series governs ramp terminal and bridge rail transition installations on this interchange.

Altitude itself does not change torque specifications, but thermal cycling at 9,000 feet is more extreme — temperatures range from minus 30F in winter to 80F in summer. We apply anti-seize compound to all guardrail splice bolts at elevation to prevent thread corrosion from road salt infiltration and freeze-lock.

Guardrail in Silverthorne

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1,000+
Miles of Guardrail
10,000+
Projects Completed
25+
Years Experience
$25M+
Bonding Capacity

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