McKinley County's I-40 Bridge Replacement Project Valued at $47.7 Million
Three aging bridges on I-40 and Route 66 east of Gallup will be replaced under a $47.7 million project with NM 118 closing during phase one.
A $47.7 million bridge replacement project is underway along a 1.36-mile stretch of Interstate 40 east of Gallup, targeting three structures between mileposts 29.04 and 30.4 on I-40 and New Mexico State Road 118, the historic Route 66 corridor that runs parallel to the interstate through McKinley County.
The New Mexico Department of Transportation announced the project March 12, with Siete Inc. named as the contractor. Beyond the three bridge replacements, the scope includes installation of new metal guardrail and concrete barriers, along with drainage and grading improvements across the project limits.
Construction is being carried out in phases. The first phase focuses on NM 118 and the westbound bridge over I-40. To give crews the access needed to remove and replace two of the bridges, NMDOT will close NM 118 within the project area and redirect that traffic onto I-40. Both eastbound and westbound lanes of I-40 will stay open throughout this initial phase, though NMDOT noted drivers should expect minor delays.
Siete Inc. crews are scheduled to work from 7 a.m. to 6 p.m., Monday through Friday, weather permitting. The full project is expected to reach completion in 2027.
Travelers passing through the area can check current road conditions at NMRoads.com or by dialing 511 before heading out. NMDOT is urging motorists to use caution in active work zones along the corridor.
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