Local Small Structure Improvement Program (LSSIP)

Please refer to the WisDOT LSSIP Guidelines for detailed project eligibility criteria and definitions. Eligible projects must meet the following general criteria:

• ​Culverts are structures underneath the roadway that are 20 feet or less in span but greater than 6 feet in span.
• ​WisDOT also expects that many small structures awarded under the LSSIP program will extend beyond 20 feet after the improvement is completed.
• Eligibility is determined by the span of the structure prior to the improvement.
• ​​Culverts that are part of a storm sewer system are not eligible for LSSIP.
• The culvert(s) involved in the project must have a condition rating of 4 (poor) or lower as determined by a certified bridge inspector.
• The project sponsor must be the owner of the culvert(s) involved in the project.
• The project sponsor must be a local unit of government.
• The amount of paving included in this project should be limited to the minimum safe approach distance to the structure as defined by a certified engineering assessment.
• ​​The cost of paving the roadway beyond a reasonable approach distance to the structure will be 100% the responsibility of the local sponsor.
• ​The construction project to improve the structure should have a minimum projected design life of 10 years.
• There is no municipal application limit for structures with Severe condition rating (0-2); there is a limit of 2 applications for structures with a Poor condition rating (3-4).
• Applicants may submit multiple structures in a single application if these structures serve the same drainage function and are less than 20 feet apart.

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