237310

Highway, Street, and Bridge Construction

Construction › Heavy and Civil Engineering Construction › Highway, Street, and Bridge Construction

SBA Size Standard

$45M average annual receipts

Revenue-Based Verify at SBA.gov →

NAICS Code Hierarchy

23

Sector

Construction

237

Subsector

Heavy and Civil Engineering Construction

2373

Industry Group

Highway, Street, and Bridge Construction

237310

National Industry (This Code)

Highway, Street, and Bridge Construction

Official NAICS Description

Source: U.S. Census Bureau 2022 NAICS

📘 Source: U.S. Census Bureau — 2022 NAICS Manual
This industry comprises establishments primarily engaged in the construction of highways (including elevated), streets, roads, airport runways, public sidewalks, or bridges. The work performed may include new work, reconstruction, rehabilitation, and repairs. Specialty trade contractors are included in this industry if they are engaged in activities primarily related to highway, street, and bridge construction (e.g., installing guardrails on highways). Illustrative Examples: Airport runway construction Highway line painting Causeway construction Painting traffic lanes or parking lot lines Culverts, highway, road, and street, construction Pothole filling, highway, road, street, or bridge Elevated highway construction Resurfacing, highway, road, street, or bridge Guardrail construction Sign erection, highway, road, street, or bridge

✓ Small Business Eligibility at a Glance

Based on SBA Table of Small Business Size Standards (2024)

Size Standard

$45M average annual receipts

Measurement Period

3-year average

Standard Type

Revenue-Based

Applies To

All contracts under NAICS 237310

Set-Aside Programs

8(a), WOSB, HUBZone, SDVOSB

Certification Required

No (self-certify in SAM.gov)

Size standards are set by the SBA and reviewed periodically. Always verify at SBA.gov before bidding.

Cross-References

The following activities are classified elsewhere in the NAICS system:

Constructing tunnels--are classified in Industry 237990, Other Heavy and Civil Engineering Construction;
Highway lighting and signal installation--are classified in Industry 238210, Electrical Contractors and Other Wiring Installation Contractors;
Painting bridges--are classified in Industry 238320, Painting and Wall Covering Contractors;
Road decommissioning or removing culverts or bridges--are classified in Industry 238910, Site Preparation Contractors;
Constructing parking lots, private driveways, sidewalks, or erecting billboards--are classified in Industry 238990, All Other Specialty Trade Contractors; and
Providing road cleaning or snow removal services--are classified in Industry 488490, Other Support Activities for Road Transportation.

How to Use NAICS 237310 in SAM.gov

NAICS code 237310Highway, Street, and Bridge Construction — is used in SAM.gov to identify businesses whose primary activity falls within this classification. When you add this code to your SAM.gov entity registration, contracting officers searching for vendors in the Highway, Street, and Bridge Construction space will be able to find your business.

If this code represents your primary business activity, designate it as your primary NAICS code. Your primary NAICS code determines your size standard for any contract solicited under this code. With a size standard of $45M average annual receipts, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 237310.

Log in Entity Registration Goods & Services Add NAICS Code Enter 237310 Save

Frequently Asked Questions

What is NAICS code 237310?

NAICS code 237310 is 'Highway, Street, and Bridge Construction', classified under the Construction sector (NAICS 23). This industry comprises establishments primarily engaged in the construction of highways (including elevated), streets, roads, airport runways, public sidewalks, or bridges. The work performed may in

What is the SBA small business size standard for NAICS code 237310?

The SBA defines a small business under NAICS code 237310 (Highway, Street, and Bridge Construction) as one with $45M average annual receipts. This size standard determines eligibility for small business set-aside contracts, 8(a), HUBZone, WOSB, and SDVOSB programs in SAM.gov.

How do I register NAICS code 237310 in SAM.gov?

To register NAICS code 237310 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 237310 (Highway, Street, and Bridge Construction) to your NAICS code list. You may designate one code as your Primary NAICS code.

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Related PSC Codes

PSC codes commonly used with this NAICS sector

Source: GSA PSC Manual April 2025

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