The Vermont Agency of Transportation (VTrans) is inviting bids for the Norton BF 0321(21) construction project in Norton, Vermont. The project involves the removal of an existing culvert and its replacement with a new open bottom buried structure. **Key details:** - Location: VT Route 114 in Norton, approximately 1.8 miles south of the US/Canada border. - Contract completion date: November 28, 2025. - Bid bond: Electronic bid bond of 5% of the contractor's bid. - Engineer's estimate: Category D. - Prequalification: Bidders must hold current annual prequalification with VTrans and project-specific approval. - Standard specifications: 2024 Standard Specifications for Construction. - Non-collusion affidavit: Bidders must certify that they have not engaged in any collusion or restraint of competitive bidding. - Non-discrimination: VTrans ensures equal opportunities for minority business enterprises and prohibits discrimination based on race, color, religion, sex, or national origin. - Mandatory electronic bidding: Only electronic bids will be accepted. - Telecommunications relay service: Available for individuals with hearing impairments. **Estimated quantities of materials and work:** - Clearing and grubbing - Common excavation - Solid rock excavation - Unclassified channel excavation - Structure excavation - Granular backfill for structures - Coarse-milling, bituminous pavement - Temporary roadway widening - Construction vibration and crack monitoring - Subbase of dense graded crushed stone - Aggregate surface course - Tack coat, emulsified asphalt - Bituminous concrete pavement - Pay adjustments for BCP mixture properties and mat density - Reinforcing steel - Drilling and grouting dowels - Water repellent, silane - Removal of structure frame with wingwalls - Concrete, Class C - All-purpose excavator rental, Type I - Dust control with water - E-stone fill, Type II - Stone fill, Type I - Temporary relocation of stream - Precast concrete structure - Removal of guardrail - Steel beam guardrail - MTS, MGS, flared, TL-2 - Uniformed traffic officers - Flaggers - Field office, engineer's - Testing equipment for concrete, bituminous, and grout - CPM schedule - Employee traineeship - Mobilization/demobilization - Traffic control, all