NPCA certified
ASTM-certified RCB structures
Box Culverts
Custom precast concrete box culverts engineered for infrastructure projects — highway bridges, pedestrian underpasses, stormwater management and livestock crossings. Each RCB structure is built to exact project specifications.
3′–12′
Rise configurations
ASTM 1433/1577
Compliance
On our fleet
Delivered & set
Overview
Reinforced concrete box culverts, built to project spec.
Custom precast concrete box culverts engineered for infrastructure projects — highway bridges, pedestrian underpasses, stormwater management and livestock crossings. Each RCB structure is built to exact project specifications.
Rise: 4′ to 10′ height configurations
Meets or exceeds ASTM-1433-14 & ASTM-1577-14 standards
Highway bridges, pedestrian underpasses, stormwater management, livestock crossings
Open-bottom arch culverts for natural waterway preservation
Talk to a real person
Talk to us about Box Culverts
Tell us what you are building and we will point you to the right product, size, and lead time. No pressure, no bots.
(406) 752-7163
Ready when you are
Have a project in mind?
Send us the drawings, the dimensions, or just the idea. We will tell you what is possible, what it costs, and when we can set it.


