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Dirigo Bridge Co. is the one stop shop for all your stream crossing needs from structures to installation. Committed to constructing precast culverts and bridges that maintain fish and wildlife habitats while protecting roads and public safety.
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Bridge Kits Dirigo Bridge Co. manufactures Bridge kits including all components to install a Bridge. We also install our structures for many customers. Combined, this allows one stop shopping for all stream crossing needs.
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Box CulvertsOur Box Culverts are open bottom which are environmental and road friendly. Our Box width sizes are Small (6 Ft), Medium (9 Ft), Large (12 Ft), XLarge (15/17 1/2 Ft) and XXL (20/24 Ft). The culverts can be designed to fit your needs as our boxes come in sections.
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Arch CulvertsJust like our Box Culverts we make Arch Culverts, which make an excellent choice for being structural efficient and cost effective. Our Arch width sizes are Small, (4 Ft), Large (8 Ft), and Extra Large (12 Ft) and can be any length as required due to our arches come in sections.
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For details about our products, click on the Standard Product List and Brochure below.
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We now carry black plastic culverts
We understand not all projects require our precast culverts, call today for affordable plastic culverts and see what we have in stock.
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Click on below products to view sketches and dimensions of our Precast material:
ABUTMENT Blocks
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arches
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box culvert panels
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deck panels
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Before Construction
Traditional Culverts in Charleston
Undersized crossings restrict natural stream flow, causing severe problems including scouring and erosion, high flow velocity, clogging, and ponding
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Clogging and barriers have further long-lasting effects on natural resources by:
-degrading stream water quality -alters natural dispersal patterns of fish & wildlife |
This road in Charleston would wash out at least once a year. 5 Stream crossings were restored in Charleston in Summer of 2020 with our Box Culvert and Bridge kits.
During / After Construction
Box Culvert in Charleston
Our Box Culvert was designed to:
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Our Stream crossings benefit-
Fish & Wildlife: Allows ease of movement through their natural habitat. People: Roads are safe from washout and reduces costs. |