# Missouri BUYS #MODOT SL 0000000089SL

MoDOT St. Louis District Open-Cell Foam Bridge Joint System

**Posted:** October 23, 2026
**Respond By:** November 06, 2026
**Identifier:** MODOT SL 0000000089SL
**NAICS:** 326150, 423390

MoDOT’s St. Louis District is seeking an open-cell foam joint system for bridge joints, with pricing requested for eight seal dimensions.
- **Government buyer:** Missouri Department of Transportation (MoDOT), St. Louis District; procurement unit 3150-MODOT ST LOUIS DISTRICT. Buyer contact: Rachel Mydlo.
- **OEMs and vendors:** No manufacturer, OEM, or vendor is named. All system components must come from one manufacturer.
- **Products requested:** Open Cell Foam Joint System, field-applied epoxy adhesive primer, and field-applied silicone sealant bands. The pricing schedule lists eight seal sizes, priced per linear foot; quantities and part numbers are not provided.
  - 1 1/2 in. x 2 1/2 in.; 2 in. x 2 1/2 in.; 2 1/2 in. x 2 3/4 in.; 3 in. x 2 3/4 in.
  - 3 1/2 in. x 3 1/2 in.; 4 in. x 3 1/2 in.; 1 in. x 1 3/4 in.; 1 1/4 in. x 2 in.
  - The pricing schedule also describes 12-foot reels and 6.56-foot sticks.
- **Key requirements:** The foam must be cellular polyurethane impregnated with a 100% hydrophobic, water-based polymer emulsion and factory-coated on the roadway surface with highway-grade, fuel-resistant silicone. The joint must accommodate 50% tension and compression; changes in plane or direction require factory-made watertight transition assemblies.
  - The epoxy primer must be a 100%-solids, two-component, moisture-sensitive modified epoxy meeting ASTM C 881.
  - The one-part, cold-applied, chemically curing silicone sealant must meet ASTM D 5893 and be used to seal the bridge-edge gap and lock field splices.
- **Additional procurement details:** Alternate lines are allowed. Suppliers must provide product specifications and estimated delivery lead time. MoDOT requests participation in cooperative purchasing for eligible Missouri local governments and road districts.

### Description

The Missouri Department of Transportation, St. Louis District, is seeking bids from qualified vendors to provide an Open Cell Foam Joint System. The system includes cellular polyurethane foam impregnated with hydrophobic polymer and coated with highway-grade, fuel-resistant silicone, along with epoxy adhesive primer and silicone sealant. The seal must meet specified movement and material properties, and system components must be supplied by one manufacturer. The contract runs from award through October 31, 2027, with options to extend for two additional one-year periods.

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