NAICS 23731 - Highway, Street, and Bridge Construction
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Related NAICS Codes for NAICS 23731
Click on any NAICS code to explore that specific industry within NAICS 23731
| NAICS Code | Industry Title |
|---|---|
| 237310 | Highway, Street, and Bridge Construction |
What is NAICS 23731
NAICS code 23731 covers businesses primarily engaged in constructing highways, streets, roads, and bridges. This sector includes contractors who perform new construction, reconstruction, rehabilitation, and maintenance of transportation infrastructure. Companies operating under this classification range from small specialty firms to large general contractors with expertise in civil engineering and heavy construction. Government agencies contract these services to ensure safe, durable, and efficient roadways that support commerce, public safety, and community connectivity. These projects are critical for maintaining and expanding the nation's transportation network, which is vital to economic growth and mobility.
Breakdown for NAICS 23731
- Includes construction of highways, streets, roads, and bridges primarily for public use.
- Encompasses new construction, reconstruction, maintenance, and rehabilitation projects.
- Subject to federal, state, and local government contracting regulations and standards.
- Typical projects range from small local roads to large interstate highway systems.
- Businesses must comply with strict safety, environmental, and quality requirements.
- Size standards vary but often include thresholds based on annual revenue and number of employees.
Included Activities for NAICS 23731
- Constructing new highways, streets, and bridges from design plans.
- Performing road resurfacing, paving, and pavement repairs.
- Demolishing and removing existing roadways or bridge structures.
- Installing guardrails, signage, and traffic control devices.
- Conducting earthmoving, grading, and excavation for roadbeds.
- Applying erosion control and stormwater management measures.
- Coordinating with government agencies for inspections and compliance.
- Managing project scheduling, budgeting, and quality assurance.
Business Types for NAICS 23731
- Heavy highway construction contractors
- Bridge construction and engineering firms
- Civil engineering and infrastructure contractors
- Road paving and asphalt specialists
- Public works construction companies
- Design-build construction firms
Government Buyers for NAICS 23731
Federal, state, and local government agencies are the primary buyers of services under NAICS 23731. The Department of Transportation (DOT), Federal Highway Administration (FHWA), state transportation departments, city and county public works departments, and metropolitan planning organizations typically procure these services to develop and maintain road infrastructure. These agencies require contractors to meet stringent safety, environmental, and quality standards to ensure long-lasting transportation facilities that support public and commercial traffic demands.
Contract Types & Procurement for NAICS 23731
Contracts awarded under NAICS 23731 commonly include fixed-price, unit-price, and cost-plus contracts, depending on project complexity and risk allocation. Procurement methods often involve competitive bidding, with design-bid-build and design-build being typical project delivery approaches. Contract values vary widely, from smaller local street repairs and resurfacing projects valued at hundreds of thousands of dollars to multi-million-dollar interstate highway and bridge construction contracts. Large-scale projects may also involve multi-year agreements and task orders under indefinite delivery, indefinite quantity (IDIQ) contracts.
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