Determining Wildlife Use of Wildlife Crossing Structures Under Different Scenarios

Cramer, Patricia; Utah State University. Dept. of Wildland Resources; Utah Transportation Center

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Determining Wildlife Use of Wildlife Crossing Structures Under Different Scenarios

2012-05-01
By Cramer, Patricia

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English

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Creators:

Cramer, Patricia
Corporate Creators:

Utah State University. Dept. of Wildland Resources ; Utah Transportation Center

Utah State University. Dept. of Wildland Resources ; Utah Transportation Center Less -
Corporate Contributors:

Utah. Dept. of Transportation ; Utah. Division of Wildlife ; United States. Federal Highway Administration

Utah. Dept. of Transportation ; Utah. Division of Wildlife ; United States. Federal Highway Administration Less -
Subject/TRT Terms:

[+]

Bridges Bridges And Culverts Bridges And Other Structures Cameras Culverts Elk Environment Fences Highways I-15 I-70 I-80 I15: Environment I20: Design And Planning Of Transport Infrastructure Interstate Highways Moose Mule Deer Overpasses Research Research Hub State Highways US 6 US 91 US 189 US 191 Wildlife Wildlife Crossings Wildlife Crossing Structures Wildlife Fencing Wildlife Overpass
Publication/ Report Number:

UT-12.07
Resource Type:

Tech Report
Geographical Coverage:

Utah ; United States

Utah ; United States Less -
TRIS Online Accession Number:

01383560
Edition:

Final; Oct. 2007-June 2011.
Corporate Publisher:

Utah. Dept. of Transportation. Research Division
NTL Classification:

NTL-HIGHWAY/ROAD TRANSPORTATION-Bridges and Structures;NTL-ENERGY AND ENVIRONMENT-Environment Impacts;
Abstract:

This research evaluated Utah's wildlife crossing structures to help UDOT and the Utah Division of Wildlife Resources assess crossing efficacy. In this study, remote motion-sensed cameras were used at 14 designated wildlife crossing culverts and bridges, and 21 existing culverts and bridges built for other purposes. Over three years (2008-2011), through June 2011, the 35 cameras recorded 23,957 mule deer passages through designated wildlife crossings, and 1,093 passages under existing culverts and bridges. The results support the statements: 1) mule deer will use bridges to pass under Utah highways, and the bridged overpass to pass over Interstate 15; 2) mule deer prefer shorter culverts, mule deer rates of repellency increased with culvert length, wildlife crossing culverts should be less than 120 feet (36.5 m) long ; 3) culvert width, as animals pass under the road, is more important to mule deer than culvert height, they prefer wider spaces; 4) mule deer, elk, and moose will rarely to never use existing concrete box culverts under interstates unless wildlife fencing (8 feet, 2.4 m high) is present, but once wildlife fencing is present, will only use these structures in limited numbers; 5) all US 6 and Interstate-70 wildlife crossing bridges, culverts, and arch bridges passed mule deer; 6) elk rarely used culverts and bridge structures, it is extremely difficult to build wildlife crossing structures for elk passage; and 7) overall wildlife crossings are working for mule deer. Future crossings that are predicted to work best should be short in length, and wide in span.
Format:

PDF
Funding:

089120 ; 5H06673H

089120 ; 5H06673H Less -
Collection(s):

University Transportation Centers US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:cc5aebac3903b025caeb344a2a1342cba1881b862a23654769faef13e6c3f623
Download URL:

https://rosap.ntl.bts.gov/view/dot/24501/dot_24501_DS1.pdf
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Determining Wildlife Use of Wildlife Crossing Structures Under Different Scenarios

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