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Closed on Jul 16, 2026

National Culvert Removal, Replacement, and Restoration (Culvert Aquatic Organism Passage)

DOT Federal Highway Administration · Opportunity number FHWA-CAOP-23-001

Details summarized from the official notice as of Jun 28, 2026. Always confirm eligibility, deadlines and requirements in the official notice before applying.

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This opportunity is closed as of Jul 16, 2026. It is kept here for reference. See the related open opportunities below, or check the official listing in case the agency posts a new cycle.

Key facts

Opportunity numberFHWA-CAOP-23-001
AgencyDOT Federal Highway Administration
Department of Transportation
Assistance listing (ALN, formerly CFDA)20.276
PostedJun 2, 2026
DeadlineJul 16, 2026
Award ceiling$800,000,000
Expected number of awards50
Cost sharing or matching requiredYes
Funding typeGrant
CategoryInfrastructure investment and jobs act
Last updated hereJun 28, 2026

Summary from the notice

The purpose of the Culvert AOP Competitive Grant Program is to provide funding to eligible entities for the replacement, removal, and repair of culverts or weirs that meaningfully improve or restore fish passage for anadromous fish. Anadromous fish are born in freshwater and spend most of their lives in saltwater, returning to freshwater to spawn. Salmon are a well-known example of anadromous fish.

Who can apply

The official notice lists these applicant types as eligible:

  • Others named in the notice (see the eligibility text)

Not listed as eligible

  • Small businesses
  • Nonprofits
  • Colleges and universities
  • State governments
  • Local governments
  • Tribal governments and organizations
  • Larger for-profit companies
  • Individuals

Unless the eligibility text in the notice names you, this opportunity is probably not for you.

Eligibility details from the notice

Eligible applicants under the Culvert AOP Competitive Grant Program are: States Units of local government Indian Tribes Projects eligible for funding are projects for the replacement, removal, or repair of culverts or weirs that: (1) would meaningfully improve or restore fish passage for anadromous fish; and (2) with respect to weirs, may include (A) infrastructure to facilitate fish passage around or over the weir; and (B) weir improvements (49 United States Code (U.S.C.) ยง 6703(b)).

Cost sharing: this notice requires cost sharing or matching funds. Check the notice for the required share and what counts toward it.

Registrations you will likely need

Most applications submitted through Grants.gov need the following. Registration can take several weeks, so start early. The notice lists the exact requirements.

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