Bridges & Transportation

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Bridges & Transportation

About Bridges & Transportation

Creating structural solutions that connect communities and support the safe, efficient movement of people and goods across a wide range of transportation environments. Miller Consulting Engineers provides expertise for vehicular bridges, pedestrian bridges, trail bridges, suspension bridges, boardwalks, viewing platforms, transit facilities, ferry terminals, parking structures, and transportation maintenance facilities.
 
Our work includes new structural design, retrofits, seismic upgrades, load evaluations, and rehabilitation of existing infrastructure, ensuring compliance with modern engineering standards and environmental considerations. Whether supporting roadway systems, transit networks, or recreational access, we design resilient structures that integrate performance, durability, and context-sensitive design.

Projects

Airport Road Bridge

Hillsboro, OR

MCE designed a 75' pedestrian boardwalk in Newberg, OR, featuring cross bracing cables, guardrails, and utility support for a sanitary sewer pipe.

Amanda Trail Suspension Bridge

Yachats, OR

MCE engineered a 165' suspension bridge on Amanda’s Trail in Yachats, OR, replacing the old span and improving access along the Oregon Coast Trail.

Highway 84 Bridge Abutments

Troutdale, OR

Hillsboro School District Transportation Facility

Hillsboro, OR

Structural design for the Hillsboro School District’s 47,000 sqft transportation facility, with clear-span maintenance bays, offices, and future classrooms

International Leadership Academy ADA Footbridge

Lake Oswego, OR

MCE engineered an ADA footbridge for International Leadership Academy with ramp access, gravel transition, and dual-height handrails.

J Street Bridge

Madras, OR

Lewis & Clark Pedestrian Bridge

Portland, OR

MCE designed a 190' span timber pedestrian bridge at Lewis & Clark College, replacing an unsafe bridge while preserving the ravine’s sensitive environmental...

Marshall Park Pedestrian Bridge

Portland, OR

MCE engineered a 40’ timber pedestrian bridge in Marshall Park, Portland, including concrete abutments and coordination with geotech and environmental teams.

Milk Creek Bridge

Canby, OR

Newell Creek Canyon Bridge

MCE designed a bridge in Newell Creek Canyon Nature Park, Oregon City, incorporating landslide-responsive supports and an ongoing inspection program.

Orchard Lair Pedestrian Bridge

Newberg, OR

MCE designed a 75' pedestrian boardwalk in Newberg, OR, featuring cross bracing cables, guardrails, and utility support for a sanitary sewer pipe.

Oregon Episcopal School Bridge

Portland, OR

Smith Rock Pedestrian Bridge

Smith Rock, Oregon

MCE engineered the new 106' pedestrian bridge at Smith Rock, enhancing access for visitors and maintenance vehicles with glulam girders and micropile...

Temporary Construction Bridge

Cougar Falls Spillway, Blue River, Oregon

MCE provided structural design for a 40' temporary bridge at Cougar Falls Spillway, enabling safe access for workers and equipment across a steep terrain.

Timberline Estates Bridge

Portland, OR

MCE designed a 40' vehicular bridge for Timberline Estates with precast deck, concrete abutments, and HS25 loading to meet traffic and pedestrian needs.

Trillium Lake Trail Pedestrian Boardwalk

MCE designed 1.9 miles of pedestrian bridge at Trillium Lake, enhancing access and safety through wetlands with wider walkways and scenic viewing platforms.