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Jackson County, Mississippi
Construction Materials Testing in Jackson County, MS
Concrete, soil, and aggregate testing in Jackson County, Mississippi — fresh concrete tests and cylinder breaks, Proctor and nuclear density, gradation, Atterberg limits, and soil corrosivity — by ACI- and NICET-certified technicians, with results reviewed and issued under a documented quality system.
- Dispatched from
- Atlanta, GA regional hub · project-based mobilization
- Lead time
- Set in the proposal, with mobilization planned around your pour and earthwork schedule
- Laboratory
- Sugar Land, TX laboratory under chain of custody, or a mobile laboratory for large projects
- Reporting
- Reviewed and issued under a documented quality system; formatted for owner, engineer, and building-official review
- Serving
- Jackson County, MS — Jackson, Gulfport, Southaven
- Coverage
- Mississippi statewide · 27 regional hubs
- Technicians
- ACI Grade I · NICET CMT · ICC special inspectors
- Call us
- (346) 420-5425
Scope
What we test in Jackson County
Concrete testing services
Fresh concrete sampled and tested at the pour — slump, air content, unit weight, and temperature — with cylinders and beams cast on site and broken in the laboratory on the schedule your specification calls for.
ASTM C172ASTM C143ASTM C231ASTM C173ASTM C138ASTM C1064ASTM C31ASTM C39
Aggregate testing services
Gradation, fines content, specific gravity and absorption, unit weight, abrasion resistance, and stockpile moisture for concrete, base course, and backfill aggregates.
ASTM D75ASTM C136ASTM C117ASTM C127ASTM C128ASTM C29ASTM C131ASTM C566
Soil compaction and density testing
Standard and modified Proctor curves in the laboratory and in-place density by nuclear gauge on every lift, so fill, subgrade, and trench backfill are documented against the specified percent compaction.
Soil classification and index testing
Sieve and hydrometer gradation, Atterberg limits, moisture content, specific gravity, and USCS classification for earthwork acceptance, select-fill verification, and geotechnical reports.
ASTM D6913ASTM D7928ASTM D1140ASTM D4318ASTM D2216ASTM D854ASTM D2487
Soil corrosivity testing
pH and electrical resistivity of backfill for MSE walls, pipelines, and buried structures, reported against the specification limits for metallic and geosynthetic reinforcement.
Special inspection (IBC Chapter 17)
ICC-certified special inspectors for reinforced concrete and soils, reporting to the building official alongside the materials test results, so one agency covers both requirements.
Full scope, standards list, and pricing basis: Construction Materials Testing.
Local conditions
Construction materials testing conditions in Jackson County
Jackson County sits along Mississippi's Gulf Coast, where proximity to the Gulf of Mexico brings high humidity, seasonal tropical storms, and a climate that demands careful attention to concrete placement and curing schedules year-round. Coastal and near-coastal construction here — port infrastructure, commercial development along Highway 90, and residential builds across the county — rests on soils that can include soft clays, loose sands, and fill of variable quality, all of which require documented verification before and during construction. Our firm dispatches certified technicians to Jackson County project sites through our regional hub network to perform ASTM-compliant field and laboratory testing of concrete, aggregate, and soil. From fresh concrete testing and compressive strength cylinders to Proctor compaction, nuclear density gauge readings, and soil classification, every service is supported by structured reporting built to satisfy your project specifications, geotechnical requirements, and the engineer of record — without delays that slow your schedule.
Gulf Coast humidity and warm temperatures in Jackson County can accelerate concrete set times and affect moisture-density relationships in near-surface soils, making field testing conditions and timing worth coordinating with your technician in advance. The region's variable coastal soils — which may include soft or organic material — commonly require thorough classification and compaction verification before structural fill or foundation work proceeds.
FAQ · Jackson County
Jackson County gets a lot of rain, especially during hurricane season. How does wet weather affect soil compaction testing and scheduling?
Excess moisture pushes soil past its optimum moisture content, making it impossible to achieve specified density regardless of compaction effort. When material is too wet, the ASTM D6938 nuclear gauge or ASTM D1556 sand-cone method will document a failing result. Our technicians note field conditions in every report. The practical answer is to protect subgrade, allow drainage, and retest after material dries to a workable range before proceeding.
What Proctor method applies to the soils typically encountered in Jackson County projects?
Standard Proctor (ASTM D698) is the most common baseline, but many Mississippi DOT and structural specifications call for Modified Proctor (ASTM D1557), which uses greater compactive energy and is appropriate for subbase and engineered fill beneath pavements or structures. Your project geotechnical report or spec will dictate which method governs. We run both; confirm the required method with your engineer of record before the first density test is scheduled.
We're placing concrete during summer on a coastal Jackson County site. What fresh concrete tests are performed on-site, and why does the Gulf Coast climate make them more critical?
High ambient temperatures and humidity accelerate cement hydration, shortening workable time and increasing the risk of premature stiffening. Per ASTM C1064, our technician measures concrete temperature immediately upon discharge. Slump (ASTM C143), air content (ASTM C231), and unit weight (ASTM C138) are also recorded, and cylinders are cast per ASTM C31. Temperature data directly informs curing decisions and protects both the contractor and the owner if a strength dispute arises.
How fast can a technician be on site in Jackson County?
Jackson County work is dispatched through our Atlanta, GA regional hub. Scheduled visits are set up by phone at (346) 420-5425; multi-day placements and full-time project assignments are scheduled through a proposal request.
Which office covers materials testing in Jackson County, MS?
Field work in Jackson County is dispatched through the Atlanta, GA regional hub, about 337 miles away. Laboratory testing is performed in Sugar Land, TX under chain of custody, or in a mobile laboratory mobilized to large Jackson County projects.
Are the technicians you send to Jackson County certified?
Yes. Concrete technicians hold ACI Concrete Field Testing Technician Grade I; soils and laboratory technicians hold NICET Construction Materials Testing certifications; special inspection is performed by ICC-certified special inspectors. Where Mississippi agencies or owners require state-specific certifications, those are confirmed in the proposal.
Scheduling & proposals
Need construction materials testing in Jackson County?
Call to schedule a technician, or send project documents for a written proposal.