Culvert Assessment Calculator

Apply the FHWA culvert inspection decision process to condition ratings, performance problems, access constraints, and site triggers to screen maintenance, repair, lining, or replacement actions.

Input Parameters

Culvert information

The FHWA procedure applies to roadway culverts with spans under 20 feet.

in
ft

Used by the small, shallow replacement screen.

Barrel condition

Assign field-observed FHWA ratings. The lowest elemental rating governs.

Like new, structurally sound, and functionally adequate.

Like new, structurally sound, and functionally adequate.

Like new, structurally sound, and functionally adequate.

Like new, structurally sound, and functionally adequate.

Like new, structurally sound, and functionally adequate.

Like new, structurally sound, and functionally adequate.

Like new, structurally sound, and functionally adequate.

Like new, structurally sound, and functionally adequate.

Like new, structurally sound, and functionally adequate.

ft
in
ft
in
ft

Assessment results

Enter the field ratings and performance observations, then select Assess Culvert.
Powered by DrainageCalculators.com — free drainage & stormwater calculators