NAICS 237310

Highway, Street, and Bridge Construction

Updated August 2026 — federal spending and agency data cross-checked against SAM.gov and USAspending.gov.

Construction of highways, roads, bridges, and transportation infrastructure.

Federal Spending

$50B+ annually

Top Agencies

DOT, USDA, Army Corps

Market Outlook

Growing +4% annually. Infrastructure Bill = record federal spending on transportation.

Common Federal Contracts

1

Interstate highway construction

2

Bridge repair and replacement

3

Rural road construction

4

Infrastructure modernization

Contractor Competitive Advantage

Construction is capital-intensive but bonding available. Subcontracting = easiest entry. Regional contractors win significant government work.

Relevant Certifications

8(a)

HUBZone

WOSB

SDVOSB

Top Procuring Agencies

How to Win in This Sector

  1. 1. Verify Your NAICS: Make sure this NAICS code matches your primary business activity. You can only claim set-asides for your primary NAICS.
  2. 2. Apply for Certifications: Most contracts in this sector allow 8(a), WOSB, HUBZone, or SDVOSB certifications. These give you advantages in bidding.
  3. 3. Target Top Agencies: Identify the top 3 agencies hiring in this sector and research their procurement needs.
  4. 4. Assess Your Advantage: Review the competitive advantages above and determine how your firm differentiates.
  5. 5. Build Relationships: Attend industry days, connect with contracting officers, and respond to RFIs (Requests for Information).

Frequently Asked Questions

What is NAICS code 237310 (Highway, Street, and Bridge Construction)?

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NAICS 237310 covers Highway, Street, and Bridge Construction: Construction of highways, roads, bridges, and transportation infrastructure. Federal agencies spend $50B+ annually annually on contracts in this category.

Which federal agencies buy Highway, Street, and Bridge Construction services?

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The top federal buyers for NAICS 237310 are: DOT, USDA, Army Corps, Interior. These agencies run the highest volume of solicitations in this NAICS category. Register in SAM.gov with this code and monitor each agency's forecast and open solicitations.

What types of federal contracts fall under NAICS 237310?

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Common federal contracts in NAICS 237310 include: Interstate highway construction; Bridge repair and replacement; Rural road construction; Infrastructure modernization. These range from task order contracts under GWACs to agency-specific BPAs and standalone solicitations.

Do small businesses have a competitive advantage in NAICS 237310?

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Construction is capital-intensive but bonding available. Subcontracting = easiest entry. Regional contractors win significant government work.

What certifications help win NAICS 237310 contracts?

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The most valuable certifications for NAICS 237310 contracts include: 8(a), HUBZone, WOSB, SDVOSB. These certifications unlock set-aside competitions where you compete only against similarly certified firms, dramatically improving win probability compared to full-and-open competition.

What is the market outlook for NAICS 237310 in federal contracting?

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Growing +4% annually. Infrastructure Bill = record federal spending on transportation.