NAICS 2022 nationalIndustry USA Verified: Census NAICS 2022 · 2026-01-01

NAICS 237310 — Highway, Street, and Bridge Construction

Highway, Street, and Bridge Construction

NAICS 237310 is the national industry code for highway, street, and bridge construction establishments in the United States. The Small Business Administration sets a size standard of $45.0 for this classification. It forms part of the hierarchical North American Industry Classification System maintained by the Census Bureau.

SBA: $45.0 View full SBA standard

Official Inclusions

specialized trade activities related to highway, street, and bridge construction

Exclusions & Cross-References

Activities classified under other official NAICS codes:

constructing parking lots and private driveways and sidewalks, or erecting billboards (See 238990 All other specialty trade contractors (US))
constructing tunnels (See 237990 Other heavy and civil engineering construction (US))
highway lighting and signal installation (See 238210 Electrical contractors and other wiring installation contractors)
painting bridges (See 238320 Painting and wall covering contractors)

Official Illustrative Examples

Primary activities officially recognized by Census Bureau / Statistics Canada:

bridge, construction guardrail construction on highways highway, road, street and bridge, construction management painting or marking lines (e.g., parking lots, highway lines, traffic lanes) repairing highways, roads, streets, or airport runways resurfacing and surfacing highways, roads, streets, bridges or airport runways sign erection (e.g., highway, street, road, bridge) contractors

Complete Index of Activities (23 recognized activities) ▼

abutment construction

asphalt or concrete paving (i.e., highways, roads, streets and public sidewalks)

bridge approach, construction

bridge decking construction

bridge, construction

culverts, highway, road and street, construction

curbs and gutters, concrete, for residential and commercial paved areas, construction

curbs and street gutters, highway, road and street, construction

grading for highways, roads, streets or airport runways

guardrail construction on highways

highway, road, street and bridge, construction management

painting or marking lines (e.g., parking lots, highway lines, traffic lanes)

parkway construction, general contractors

pavement of highways, roads, streets, bridges or airport runways and tarmacs

paving highway, street and bridge, contractors

repairing highways, roads, streets, or airport runways

resurfacing and surfacing highways, roads, streets, bridges or airport runways

sign erection (e.g., highway, street, road, bridge) contractors

specialized trade activities related to highway, street, and bridge construction

tarring roads

traffic signalling and lighting installation contractors (if they are specialized in this activity only)

trestle bridge construction, general contractors

underpass construction, general contractors

Official data

Feature	Description
Official name	North American Industry Classification System (NAICS) 2022
Issuing authority	U.S. Census Bureau with OMB, Statistics Canada, and INEGI
Tax authority	Internal Revenue Service (IRS)
Purpose	Statistical business classification and federal contracting (SAM.gov, SBA standards)
Used in	SAM.gov registration, SBA size determinations, IRS tax classification, SEC EDGAR (via SIC crosswalk)
Active since	2022 (current edition)
Hierarchy level	Sector (2-digit)
Source	https://www.census.gov/naics/