National Culvert Removal, Replacement, and Restoration (Culvert Aquatic Organism Passage): eligibility, deadline, and how to apply (2026)
Key Facts
- Agency
- DOT Federal Highway Administration
- Award Range
- $800,000,000 in total across about 50 awards
- Deadline
- Closed 2026-07-16
- Time Remaining
- This cycle closed on 2026-07-16. Check grants.gov for the next cycle.
- CFDA Number
- 20.276
The National Culvert Removal, Replacement, and Restoration (Culvert Aquatic Organism Passage) program is a federal funding opportunity administered by the DOT Federal Highway Administration. This guide covers everything you need to know to determine whether you qualify and how to submit a competitive application once the next cycle opens.
Use our free Grant Finder to discover additional programs you may be eligible for based on your organization type and location.
Eligibility requirements
To qualify for the National Culvert Removal, Replacement, and Restoration (Culvert Aquatic Organism Passage) program, applicants must meet the following criteria:
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.) § 6703(b)).
Eligibility requirements can change between funding cycles. Always verify the current criteria on the official Grants.gov listing before beginning your application.
Not sure your organization qualifies? Run the free Grant Finder check → or compare other Infrastructure & Transportation programs by who can apply.
How to apply: step by step
- Register on SAM.gov. Every federal grant applicant needs an active SAM (System for Award Management) registration. Allow 2-4 weeks for new registrations to process. Existing registrations must be renewed annually.
- Get a UEI number. Your Unique Entity Identifier is assigned through SAM.gov and replaces the old DUNS number. You will need this on every federal application.
- Review the Notice of Funding Opportunity (NOFO). Download the full NOFO from the Grants.gov listing. Pay close attention to review criteria, budget limits, and required attachments.
- Prepare your application package. Most federal grants require a project narrative, budget justification, organizational capacity statement, and supporting documents. Follow the page limits and formatting rules exactly.
- Submit through Grants.gov. Create a workspace, upload all required forms and attachments, and submit once the next cycle opens. The system timestamps your submission, and late applications are automatically rejected.
- Confirm receipt. Keep the tracking number or confirmation email, and check back in 1-2 business days that your application passed the validation checks.
For detailed guidance on writing a winning narrative, see our grant writing tips article.
Grant details
| Detail | Information |
|---|---|
| Grant Name | National Culvert Removal, Replacement, and Restoration (Culvert Aquatic Organism Passage) |
| Funding Agency | DOT Federal Highway Administration |
| CFDA Number | 20.276 |
| Award Minimum | Not published |
| Award Maximum | Not published |
| Deadline | Closed 2026-07-16 |
| Category | Infrastructure & Transportation |
| Matching Required | Yes, this program requires cost sharing or matching funds |
| Application Link | Apply on Grants.gov |
Federal grant budgets and priorities shift each fiscal year. The amounts listed above reflect the most recent funding cycle. For the latest figures, check the official program page.
If you are exploring business financing beyond grants, the team at CeoCult covers loans, lines of credit, and alternative funding for founders.
Check your fit for Infrastructure & Transportation grants like this one before you apply: eligibility, match and registration in one worksheet.
Frequently asked questions
Who is eligible for the National Culvert Removal, Replacement, and Restoration (Culvert Aquatic Organism Passage) program?
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.) § 6703(b)). Requirements can change between cycles, so always verify on the official Grants.gov listing before applying.
What is the deadline for National Culvert Removal, Replacement, and Restoration (Culvert Aquatic Organism Passage)?
The current deadline is closed on 2026-07-16; the next cycle has not been posted. Many federal grants operate on annual or rolling cycles. If this deadline has passed, check the Grants.gov listing for the next funding opportunity.
Does National Culvert Removal, Replacement, and Restoration (Culvert Aquatic Organism Passage) require matching funds?
Yes, this program requires cost sharing or matching funds. Matching requirements can vary by fiscal year and applicant type, so confirm with the funding agency before committing resources.