NAICS Code 23731 — Highway, Street, and Bridge Construction

NAICS Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It contains 1 direct sub-code.

Code	23731
Title	Highway, Street, and Bridge Construction
Level	NAICS Industry (5-digit)
Edition	NAICS 2022 edition

Official definition (2022 NAICS)

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

This national industry shares the official Census description of 237310.

Where 23731 sits in the hierarchy

Level	Code	Title
Sector	23	Construction
Subsector	237	Heavy and Civil Engineering Construction
Industry Group	2373	Highway, Street, and Bridge Construction
NAICS Industry	23731	Highway, Street, and Bridge Construction

Codes under 23731

Code	Title
237310	Highway, Street, and Bridge Construction

Data: official 2022 NAICS structure, descriptions and Census concordances, U.S. Census Bureau — U.S. government works in the public domain (17 U.S.C. §105). Suggested reference, not an official determination.