Providing bridge design and inspection services for highway and pedestrian crossings, Martin/Martin partners with public agencies to align safety, function, and aesthetics while delivering practical solutions for new structures, rehabilitation, and long-term maintenance.

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Additional Services We Offer

Design

Design

303.431.6100

info@martinmartin.com

Martin/Martin provides bridge design services for roadway, pedestrian, and railroad structures, as well as related elements such as culverts, creek and ditch crossings, retaining and shoring walls, corrugated steel pipe, and concrete slab bridges. Our team has extensive experience working in and around waterways and delivering solutions that balance safety, constructability, and long term performance. With more than 130 bridge projects completed in the past 15 years, we support crossings from small rural sites to major municipal gateways and highway corridors and are well versed in CDOT, FHWA, AASHTO, and FEMA requirements. Our experience with design build and design assist delivery supports efficient schedules, coordinated collaboration, and cost effective project outcomes.

Enclosed pedestrian skybridge spans a roadway, connecting stairs at left; construction barrels and orange fencing surround a partly snow-covered grassy median, with mountains and cloudy sky beyond.
A rust-colored metal footbridge spans a shallow rocky stream, its wooden planks and triangular rail supports crossing between concrete abutments amid trees and grassy banks under a blue sky.
Inspections

Inspections

A rusted steel railroad trestle spans a canyon; two helmeted, harnessed climbers traverse its central truss above steep, pine- and rock-covered slopes beneath a cloudy sky.

303.431.6100

info@martinmartin.com

Comprehensive bridge inspection and engineering services for roadway, pedestrian, and railroad structures. Our NBIS-certified engineers and bridge specialists combine technical expertise with a commitment to safety, reliability, and long-term asset management. We are experienced in inspecting bridges of all sizes and types, from rural crossings to major transportation corridors, and excel at overcoming complex access and inspection challenges. With more than 200 bridge projects completed in the past 15 years, we deliver practical, data-driven recommendations and seamless transitions from inspection through maintenance and repair, supporting our clients’ proactive approach to infrastructure stewardship.

Bridge worker in a safety harness and helmet climbs a vertical steel support, inspecting bolts, above a fast, muddy river framed by bridge trusses and green riverside trees.
A construction worker in a white helmet and orange safety vest reaches upward to inspect or repair rusted steel girders beneath a corrugated metal bridge, secured by a safety harness.

Bridge Design & Inspection Contacts

Smiling man with short salt-and-pepper hair and light beard, wearing a blue checkered shirt, looking at the camera while standing before a softly blurred outdoor/architectural background.

Daniel T. Mullins, PE, SE

Principal

Group Manager, Structural Engineering

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J. Logan Erf, PE

Senior Project Engineer

Structural Engineering