CrownSpan Precast Bridge Units

CrownSpan® Precast Bridge Units are rectangular three-sided structures mounted on cast-in-place footings. They can be installed for single or multiple cell applications and are recommended where:

Natural stream bottoms are desired
Wetlands must be spanned
Cost and time of construction are critical
The span is larger than can be accommodated with a standard box culvert

APPLICATIONS

CrownSpan® Precast Bridge Units are produced for the following:

New or replacement highway bridges
Storm drains
New culverts
Culvert extensions
Utility or pedestrian tunnels
Storage facilities

SIZES

CrownSpan® Precast Bridge Units are available with spans ranging from 10 feet to 40 feet and rises up to 12 feet. Maximum and minimum sizes vary according to market area. Please contact your Forterra representative for specifics.

JOINT

The following joints are normally available for CrownSpan® Precast Bridge Units:

Butt joints with an external joint wrapper

Linings/Coatings

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

APPLICABLE SPECIFICATIONS

The following specifications apply to CrownSpan:

AASHTO Standard Specifications for Highway Bridges
ASTM C1504 Manufacture of Three-Sided Structures for Culverts and Storm Drains
State DOTs

Downloads

PRODUCT BROCHURES
CrownSpan® Precast Bridge Units
RELATED CASE STUDIES
The Gate Project
TECHNICAL RESOURCES
Downloadable Product PDFs by State

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