South Carolina Culverts Studied as Potential Bat Habitats

Biologists are assessing whether man-made structures help bats survive White-nose Syndrome in a state without natural caves.

Updated on Oct. 30, 2026 in Environmental

A weathered concrete drainage culvert entrance overgrown with moss and kudzu, set in a lush South Carolina woodland.
South Carolina biologists are assessing whether man-made culverts and tunnels provide necessary roosting habitats for bat populations struggling with White-nose Syndrome. AI Illustration. Upload story photo >

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Should the state invest in protecting bat habitats within public infrastructure like bridges and culverts?

South Carolina biologists are currently investigating whether human-built culverts and tunnels act as safe havens or disease vectors for local bat populations. The research aims to understand how bats in a state without natural caves navigate White-nose Syndrome, a fatal fungal disease.

Why it matters

As the tricolored bat nears potential Endangered Species Act listing, understanding its reliance on man-made infrastructure is critical for population management. The study seeks to determine if these structures help mitigate the impact of a disease that has claimed millions of bats nationwide.

Researchers are surveying tunnels and culverts, identifying roosting activity by locating characteristic dark oil staining left on surfaces. The team is currently assessing whether these sites facilitate disease transmission compared to the shelter they provide in the absence of natural caves.

The players

South Carolina Department of Transportation

The state agency responsible for managing road and bridge infrastructure where bat roosts are being surveyed.

South Carolina Department of Natural Resources

The state authority tasked with wildlife management, species conservation, and Endangered Species Act compliance.

The details

White-nose Syndrome is a fungal disease that disrupts the hibernation cycle, forcing bats to wake prematurely and deplete vital energy reserves. In the absence of natural caves, South Carolina bats utilize man-made infrastructure like culverts, tunnels, and underpasses as roosting sites. Biologists from the state Department of Transportation and Department of Natural Resources are monitoring these areas to see if the unique microclimates within these structures influence the spread of the fungus.

Timeline

  1. End of October: Bat Week

The Tech Race

This study follows the precedent of habitat assessments required for species currently being evaluated for protection under the Endangered Species Act. The findings provide the necessary empirical data to determine if infrastructure management can effectively slow the decline of the tricolored bat.

The study is limited to specialized infrastructure and does not suggest changes for residential properties. Residents should remain aware that bats are associated with rabies risks and should not be handled regardless of the ongoing research.

The takeaway

This research determines if infrastructure acts as a sanctuary or a disease vector for vulnerable bat populations. Observers should track future updates from the Department of Natural Resources regarding the proposed listing status of the tricolored bat.

Further reading

For broader context on how state agencies manage wildlife impacts, see Environmental.

Source note: This article includes information reported by WYFF4.

Live Poll

Should the state invest in protecting bat habitats within public infrastructure like bridges and culverts?