culverts are available in 3 to 12 feet spans and rises. Standard
box section length is 6 to 8 feet.
multi-barrel precast box units are available.
headwalls and wingwalls are available for box end treatment.
typically tongue and groove for packing mastic joint compound, butyl
gaskets or mortar to meet ASHTO M198.
assortment of fittings are available including manhole and lateral tees,
elbows, wyes, reducers, battered and skewed ends, adapters, caps/plugs,
of linings and coatings are available if required by project conditions.
ASTM C789 (AASHTO M259), C850 (AASHTO M273) and PS62 box culvert designs
as well as specialized designs and geometry.
designs available for deep fills, jacking special loads, etc..
Typical Applications Include
- All fill ranges and
live load conditions
- Open trench, embankment
or trenchless installation
- As an alternative for
multi-barrel circular pipe
- Ideal for low cover
conditions with large flow
- Good replacement for
open channels and ditches
- Storm drains and
- Short span highway
- Pedestrian, live stock,
golf cart tunnels
- Underground stormwater
- Groundwater recharge
and sand filter systems
- Utility tunnels