5. lvrm ch8 ukraine culverts eb

NATURAL DRAINAGENATURAL DRAINAGE CROSSINGSCROSSINGS

CULVERTSCULVERTS

Stream Diversion

Plugging

Piping Failure

Installation

FISH PASSAGE / AOP

FISHBARRIERS

Location, location, location…

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0-25 26-50 51-75 76-100 101-125 126-150 151-175 176-200 201-225 226-250

Roa

d fa

ilure

s/m

ile o

f roa

d

Distance from stream (meters)

All failures (319)

Mass wasting (229)

Surface erosion (90)

High value systems intersect with a dismal link

Crooked Creek

High Value Infrastructure

High ValueEcosystems

Climate Change Vulnerability Assessment

Missouri Creek

Red Sandstone Creek

Summary

Summary

Ubiquitous Creek

Aging Infrastructure

Coal Creek

Dutch Creek

Swan River

What are we doing?

Lime Creek

Stream Simulation

North Thompson

OPTIMAL:

STREAM HEALTH /

ROAD HEALTH/ DEBRIS INPUTS

MAINTAIN STREAM

ECOSYSTEM

CONNECTIVITY

Ripple Creek

East Fork Eagle

ACCOMMODATE A

RANGE OF FLOOD

Straight Creek

ACCOMMODATE

DEBRIS AND

SEDIMENT

East Fork Eagle Creek

LONG-LASTING:

DESIGN LIFE 75 –

100 YEARS

BEFORE

AFTER

CULVERT MAINTENANCE & REHABILITATION

Clackamas County, OR

CULVERT REHABILITATION ANDCULVERT REHABILITATION ANDTRENCHLESS TECHNOLOGYTRENCHLESS TECHNOLOGY

TYPES OF PIPE