2022 NAICS national industry in sector 23 Construction
237310 Highway, Street, and Bridge Construction
NAICS 237310 is the US industry code for highway, street, and bridge construction. It covers establishments primarily engaged in the construction of highways (including elevated), streets, roads, airport runways, public sidewalks, or bridges.
- Code
- 237310 (2022 NAICS)
- Title
- Highway, Street, and Bridge Construction
- Part of
- Highway, Street, and Bridge Construction
- SBA small business limit
- Average annual receipts up to $45 million
- Closest UK SIC
- 43210 (details)
Changes coming. The NAICS 2027 revision applies to data from 1 January 2027, and SBA proposed new size standards on 20 August 2026. The values on this page are the ones in force today; we update this page when the official files change.
Official definition
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).
Examples Census gives
- 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
When to use a different code
Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:
- 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.
- Providing road cleaning or snow removal services are classified in Industry 488490, Other Support Activities for Road Transportation.
Activities listed under 237310
The Census index assigns these 38 activities to this code. If your business matches one, this is your code.
- Abutment construction
- Airport runway construction
- Airport runway line painting (e.g., striping)
- Asphalt paving (i.e., highway, road, street, public sidewalk)
- Bridge approach construction
- Bridge construction
- Bridge decking construction
- Causeway construction
- Concrete paving (i.e., highway, road, street, public sidewalk)
- Construction management, highway, road, street and bridge
- Culverts, highway, road and street, construction
- Curbs and street gutters, highway, road and street, construction
- Elevated highway construction
- Grading, highway, road, street and airport runway
- Guardrail construction
- Highway construction
- Highway line painting
- Logging road construction
- Oil field road construction
- Overpass construction
- Painting lines on highways, streets and bridges
- Painting traffic lanes or parking lots
- Parking lot marking and line painting
- Parkway construction
- Pavement, highway, road, street, bridge or airport runway, construction
- Pothole filling, highway, road, street or bridge
- Repair, highway, road, street, bridge or airport runway
- Resurfacing, highway, road, street, bridge or airport runway
- Road construction
- Runway, airport, line painting (e.g., striping)
- Sidewalk, public, construction
- Sign erection, highway, road, street, or bridge
- Street construction
- Surfacing, highway, road, street, bridge or airport runway
- Tarring roads
- Traffic lane painting
- Trestle construction
- Underpass construction
SBA size standard for 237310
To count as a small business for SBA loans and federal contracts under NAICS 237310, your business (including affiliates) must not exceed $45 million in average annual receipts. Check your business.
Source: SBA table of size standards, effective March 17, 2023.
Closest UK SIC 2007 codes
There is no official one-to-one link between NAICS and UK SIC. These codes share the same international class (ISIC Rev. 4: 4210, 4321), so treat them as a starting point and check the definition.
Built from Census concordances 2022→2017 NAICS and 2017 NAICS→ISIC Rev. 4.
Data last changed November 14, 2026. How this page is built.