Product classification
HS code for Bridge sections: 7308.10
Iron or steel, structures and parts thereof, bridges and bridge-sections.
Classification of bridge sections under HS 7308.10
Bridge sections and complete bridges made of iron or steel are classified under heading 7308. This heading covers structures and parts of structures of iron or steel, excluding prefabricated buildings of heading 9406. Specifically, HS code 7308.10 is dedicated to "Bridges and bridge-sections." This classification is appropriate when the steel components have been further worked (e.g., drilled, bent, or notched) or are presented as assembled or unassembled structures specifically designed for use in a bridge. The classification is based on the material (iron or steel) and the specific structural application. Even if the sections are shipped in pieces for ease of transport, they remain under 7308.10 as long as they are identifiable as bridge components. This follows GRI 2(a), which allows for the classification of incomplete or unassembled articles as the finished product if they have the essential character of that product. The engineering and fabrication level of these items distinguishes them from simple plates or beams found in earlier headings of Chapter 72 or 73.
- Covers
- Steel bridge girders and trusses
- Prefabricated bridge segments
- Iron bridge supports and pillars
- Modular steel bridge kits
- Decking sections for permanent bridges
- Also under 7308.10
- ArcelorMittal bridge steel
- Nippon Steel bridge components
- China Railway Major Bridge Engineering Group projects
- thyssenkrupp Infrastructure
Codes often confused with 7308.10
Common mistake. Bridge sections are sometimes misclassified under 7301, which covers sheet piling, or 7304-7306 if they are simple tubes or pipes. Another common error is using 8428 if the section is part of a mechanical moving bridge (like a drawbridge), though the structural steel itself usually remains in 7308.10.
Top exporters and importers of HS 730810 (the code used for bridge sections), 2025
In 2025, the largest exporter of HS 730810 (the code used for bridge sections) in UN Comtrade data was Bahrain, with about 24% of world exports; the largest importer in UN Comtrade data was Saudi Arabia, with 28% of world imports. The United Arab Emirates did not report 2025 data, and its estimate from partner records misses its trade with other countries that did not report: in 2024 that was 87% of its imports here ($87M, CEPII BACI), so it may also belong among the top importers.
Figures cover everything classified under HS 730810, not only bridge sections.
Top exporters 2025 · share of world exports
- 1 Bahrain* ~$338M 24% of world exports · partner records ↗
- 2 China $173M 12% of world exports
- 3 Italy $66M 4.8% of world exports
World total: $1.4B Reported figures on UN Comtrade ↗
Top importers 2025 · share of world imports
- 1 Saudi Arabia $413M 28% of world imports
- 2 Norway $76M 5.1% of world imports
- 3 Canada $62M 4.2% of world imports
The United Arab Emirates did not report 2025 data, and its estimate from partner records misses its trade with other countries that did not report: in 2024 that was 87% of its imports here ($87M, CEPII BACI), so it may also belong among the top importers.
World total: $1.5B Reported figures on UN Comtrade ↗
How these figures are built
109 countries reported 2025 trade to UN Comtrade in HS 2022, and their own totals are used. Countries marked * did not, so their figures add up what other countries recorded trading with them, and their exports are valued at buyers' CIF prices. Those estimates miss trade with other non-reporting countries, so they can be low, and a non-reporting country can rank higher than shown or be missing from the list. World totals add both and leave out trade between two non-reporting countries. Figures are in current US dollars; reported imports are mostly valued CIF and exports FOB, and exports include re-exports. The UN Comtrade links show the underlying records; they can also list a few reporters left out here (regional groups and older HS editions).
Source: UN Comtrade (United Nations Statistics Division), 2025 annual data.
Brazil NCM code for bridge sections
Brazil classifies bridge sections under NCM 7308.10.00: HS 7308.10 with 00 added.
Source: Siscomex NCM table, updated Oct 2026. The Portuguese text on each NCM page is the official one.
EU Regulatory Requirements
This product falls under the Carbon Border Adjustment Mechanism (CBAM). Importers to the EU must declare embedded carbon emissions and purchase CBAM certificates.
Questions about bridge sections
What is the HS code for Bridge sections?
The HS code for Bridge sections is 730810 (Iron or steel; structures and parts thereof, bridges and bridge-sections). The HS code for bridges and bridge-sections of iron or steel is 7308.10.
How do I classify Bridge sections for customs?
Bridge sections is classified under HS code 730810 — Iron or steel; structures and parts thereof, bridges and bridge-sections. This is a 6-digit subheading level code.
Are bolts and nuts included in this code?
While 7308.10 covers the structural sections, separate fasteners like bolts are usually classified under 7318, unless they are part of a complete unassembled bridge kit.
Which countries are the top exporters of bridge sections (HS 730810)?
In 2025, the top exporters of HS 730810 (the code used for bridge sections) in UN Comtrade data were Bahrain (about $338M, 24% of world exports), China ($173M) and Italy ($66M). World exports came to about $1.4B, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
Which countries are the top importers of bridge sections (HS 730810)?
In 2025, the top importers of HS 730810 (the code used for bridge sections) in UN Comtrade data were Saudi Arabia ($413M, 28% of world imports), Norway ($76M) and Canada ($62M). World imports came to about $1.5B, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). The United Arab Emirates did not report 2025 data, and its estimate from partner records misses its trade with other countries that did not report: in 2024 that was 87% of its imports here ($87M, CEPII BACI), so it may also belong among the top importers.
Is the HS code for Bridge sections the same in all countries?
The base HS code 730810 for Bridge sections is internationally standardized for the first 6 digits across 200+ countries. Individual countries may add additional digits for national tariff lines and specific classifications.
What is the NCM code for bridge sections in Brazil?
In Brazil, bridge sections (HS 730810) is classified under NCM 7308.10.00.