Precast Box Culverts

Precast Box Culverts.jpg

Precast Box Culverts are ideal for situations where depth or height restrictions demand wide, shallow conduits to handle required flows, as well as:

Installations where circular or elliptical concrete pipe cannot provide adequate flow capacity
As a superior substitute for cast-in-place box culverts, long-span metal arches, short bridges and multibarrel circular culverts or drains

APPLICATIONS

Precast Box Culverts can be used for the following:

Highway culverts
Railroad culverts
Short-span highway bridges
Utility tunnels
Underground stormwater retention systems
Jacked or tunneled installations
Storm drains
Extension of existing box culvert
Livestock, pedestrian or golf cart undercrossings
Groundwater recharge systems
To replace existing open channels or ditches, enabling land to be used productively

SIZES

Precast Box Culverts are normally available in spans of 3 feet through 12 feet, with a variety of rises. Some markets produce spans to 20 feet. Contact your local Forterra representative for specifics.

Linings/Coatings

A variety of linings and coatings are available as dictated by project conditions.

Support Elements

Precast headwalls and wingwalls are available for most sizes.

APPLICABLE SPECIFICATIONS

The following specifications apply to Precast Box Culverts:

ASTM C1433 — Precast Reinforced Concrete Box Sections for Culverts, Storm Drains and Sewers
State DOTs
ASTM C1577 — Precast Reinforced concrete Monolithic Box Sections for Culverts, Storm Drains, and Sewers Designed According to AASHTO LRFD
AASHTO M273 — Precast Reinforced Concrete Box Sections for Culverts, Storm Drains, and Sewers with Less Than Two Feet of Cover Subjected to Highway Loadings
AASHTO M259 — Precast Reinforced Concrete Box Sections for Culverts, Storm Drains and Sewers

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