Asphalt Overlay Bitumen In Bulgaria
Last updated: 2026-10-13
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Asphalt Overlay Bitumen In Bulgaria
Asphalt overlay bitumen in Bulgaria costs between €410 and €520 per metric ton (bulk, delivery included) as of Q1 2025, depending on grade (50/70, 70/100, or PG 64-22) and delivery distance from port or refinery. Domestic production from Lukoil Neftohim Burgas covers roughly 60% of national demand, while imports via Port of Burgas and Port of Varna handle the remaining 40%, with typical lead times of 7–14 days for truck bulk or 14–21 days for rail. A standard 50 mm overlay consumes approximately 1.2 tons of bitumen per 1,000 m², making accurate tonnage planning the single biggest cost lever in Bulgarian road rehabilitation projects.
Bulgaria Bitumen Market Overview: Supply, Grades, and Pricing
Bulgaria sits at a strategic crossroads between Black Sea shipping lanes and Central European road networks, which shapes both the availability and pricing of asphalt overlay bitumen. The country has one major domestic refinery and two deep-water ports handling imports, giving buyers multiple sourcing options but also creating price volatility tied to global crude benchmarks and regional supply disruptions.
| Source | Location | Capacity/Volume | Typical Lead Time | Grades Available |
|---|---|---|---|---|
| Lukoil Neftohim | Burgas | ~1.2M tons/year bitumen capacity | 3–7 days | 50/70, 70/100, 160/220 |
| Port of Burgas (import) | Black Sea | ~400,000 tons/year | 10–14 days | PG 64-22, 50/70, 70/100 |
| Port of Varna (import) | Black Sea | ~250,000 tons/year | 12–18 days | 50/70, 70/100 |
| Rail from Romania | Ruse/Giurgiu | Variable | 7–12 days | 50/70, 70/100 |
| Rail from Greece | Thessaloniki | Variable | 10–16 days | PG 64-22, 70/100 |
The Burgas refinery is the anchor of Bulgarian bitumen supply. When it runs at full capacity, domestic prices typically sit €30–50/ton below import parity. When maintenance or geopolitical factors disrupt output, imports from Greece, Turkey, and Romania fill the gap at a premium.
Not all bitumen grades perform equally in overlay work. Bulgaria's climate — hot summers (35°C+) and cold winters (-15°C in inland regions) — demands careful grade selection.
| Grade | Penetration (0.1mm) | Softening Point (°C) | Best Use in Bulgaria | Price Range (€/ton) |
|---|---|---|---|---|
| 50/70 | 50–70 | 49–56 | Heavy traffic, highways (A1, A2, A3) | 450–520 |
| 70/100 | 70–100 | 43–51 | Regional roads, urban overlays | 430–490 |
| 160/220 | 160–220 | 35–43 | Cold climates, low-traffic roads | 410–460 |
| PG 64-22 | Performance-graded | 64 (high temp) | High-traffic, polymer-modified options | 480–540 |
For most asphalt overlay projects on Bulgarian national roads, 50/70 or PG 64-22 is the specified grade. Municipal overlay projects frequently use 70/100 to balance cost and performance.
Cost Breakdown: Asphalt Overlay Bitumen Pricing in Bulgaria (2025)
Understanding the full cost structure is essential for accurate budgeting. Bitumen is rarely purchased in isolation — it's part of a hot mix asphalt (HMA) package, but buyers who source bitumen directly for their own mixing operations can control costs more precisely.
| Cost Component | Typical Range (€/ton) | Notes |
|---|---|---|
| Base bitumen (ex-refinery) | 380–440 | Tracks Brent crude + crack spread |
| Transport (domestic) | 15–30 | Depends on distance from Burgas |
| Transport (import via Burgas/Varna) | 25–50 | Includes port handling |
| Polymer modification (if applicable) | 60–100 | For PG 64-22 or PMB grades |
| Storage & handling | 10–20 | Tank rental, heating, logistics |
| Total delivered (standard grade) | €410–520 | Bulk truck delivery, 20+ tons |
This is where bitumen pricing translates into real project costs. A typical Bulgarian overlay project uses a 40–60 mm compacted thickness.
| Overlay Thickness | Bitumen Content (kg/m²) | Bitumen Cost (€/m²) | Total HMA Cost (€/m²) |
|---|---|---|---|
| 30 mm | 3.6 | 1.48–1.87 | 6.50–8.50 |
| 40 mm | 4.8 | 1.97–2.50 | 8.00–11.00 |
| 50 mm | 6.0 | 2.46–3.12 | 9.50–13.00 |
| 60 mm | 7.2 | 2.95–3.74 | 11.00–15.50 |
Assumes 6% bitumen content by weight of mix, 2.4 t/m³ compacted density.
For a 10,000 m² overlay at 50 mm, you need approximately 120 tons of bitumen, costing €49,200–62,400 at Q1 2025 prices. The total project cost (milling, tack coat, paving, compaction) typically runs €95,000–130,000 for that area.
Delivery Logistics and Lead Times Across Bulgaria
Bulgaria's road network and port infrastructure determine how quickly and cost-effectively bitumen reaches your project site. The country is divided into six planning regions, each with different logistics profiles.
| Region | Primary Source | Delivery Method | Lead Time (days) | Surcharge vs. Base (€/ton) |
|---|---|---|---|---|
| Burgas (Southeast) | Lukoil refinery | Truck | 1–3 | 0 (baseline) |
| Varna (Northeast) | Port of Varna | Truck/rail | 5–8 | 10–20 |
| Sofia (Southwest) | Burgas or import | Truck | 5–7 | 20–35 |
| Plovdiv (South Central) | Burgas | Truck | 3–5 | 15–25 |
| Ruse (North Central) | Burgas or Romania rail | Truck/rail | 6–10 | 20–35 |
| Vidin (Northwest) | Import via Romania | Truck | 8–12 | 30–45 |
Key logistics considerations:
- Truck capacity: Standard bitumen tankers carry 20–30 tons. Larger projects (500+ tons) benefit from rail or multi-truck convoys.
- Heated storage: Bitumen must be kept at 140–160°C during transport and storage. In Bulgaria, heated tankers are standard; unheated transport is not viable for long distances in winter.
- Border delays: Imports from Greece or Romania can face 1–2 day customs delays, adding to lead time and cost.
- Winter restrictions: Some mountain routes (Stara Planina passes) have weight and timing restrictions from November to March, affecting delivery to northern regions.
| Cost Item | Burgas (€/ton) | Varna (€/ton) |
|---|---|---|
| Port dues & wharfage | 3.50–5.00 | 4.00–6.00 |
| Discharge (ship to tank) | 8.00–12.00 | 9.00–13.00 |
| Temporary storage (7 days) | 2.00–4.00 | 2.50–4.50 |
| Customs clearance | 1.50–2.50 | 1.50–2.50 |
| Total port costs | 15.00–23.50 | 17.00–26.00 |
These costs are typically embedded in the CFR (Cost and Freight) price quoted by international suppliers, but buyers should confirm what's included.
Quality Standards and Specifications for Bulgarian Overlays
Bulgaria harmonized its bitumen specifications with EU standards (EN 12591) as part of its accession commitments. However, project-specific requirements often go beyond the baseline.
- EN 12591: Standard specification for paving grade bitumen (50/70, 70/100, etc.)
- EN 14023: Polymer-modified bitumen specification (for PMB grades)
- BDS (Bulgarian State Standard): Legacy standards still referenced in some older contracts
- AASHTO M320: Performance-graded (PG) specifications, increasingly common for high-traffic roads
| Test | Standard | Typical Frequency | Acceptance Criteria (50/70) |
|---|---|---|---|
| Penetration at 25°C | EN 1426 | Per batch | 50–70 (0.1mm) |
| Softening point | EN 1427 | Per batch | 49–56°C |
| Viscosity at 135°C | EN 12595 | Per batch | ≥ 0.25 Pa·s |
| Flash point | EN ISO 2592 | Per batch | ≥ 230°C |
| Solubility | EN 12592 | Per batch | ≥ 99.0% |
| After RTFOT: retained penetration | EN 12607-1 | Per batch | ≥ 50% of original |
| After RTFOT: softening point increase | EN 12607-1 | Per batch | ≤ 9°C |
Critical quality issue in Bulgaria: Adulteration and grade mislabeling have been reported in the market, particularly with imported product. Always require third-party testing (e.g., SGS, Bureau Veritas, or a Bulgarian accredited lab like the Road Research Institute) before accepting delivery. A single batch of off-spec bitumen can cause premature rutting or cracking, costing 10–20x the bitumen price to remediate.
Sourcing Strategies: How to Buy Bitumen in Bulgaria
| Factor | Direct from Lukoil | Through Trader/Distributor |
|---|---|---|
| Price | Lower (€10–30/ton less) | Higher (includes margin) |
| Minimum order | 20–100 tons | 20 tons (flexible) |
| Contract complexity | High (annual/semi-annual) | Low (spot purchases) |
| Payment terms | Prepayment or LC | Net 30–60 possible |
| Quality recourse | Direct with refinery | Trader handles claims |
| Delivery flexibility | Limited to refinery schedule | Can source from multiple origins |
Choose domestic (Lukoil Burgas) when:
- You need under 7-day lead time
- Volume is 100+ tons (better pricing)
- You're in Southeast or South Central Bulgaria
- You want simpler logistics and quality recourse
Choose import (Burgas/Varna) when:
- Domestic supply is constrained (maintenance, force majeure)
- You need PG grades not produced domestically
- Price arbitrage favors imports (e.g., Greek or Turkish product)
- You're in Northeast Bulgaria (Varna closer than Burgas)
Choose rail from Romania/Greece when:
- You're in Northern or Western Bulgaria
- Truck delivery is cost-prohibitive
- You can plan 2–3 weeks ahead
FAQ: Asphalt Overlay Bitumen in Bulgaria
Q1: How much does asphalt overlay bitumen cost in Bulgaria in 2025?
Standard paving grades (50/70, 70/100) cost €410–520 per metric ton delivered, depending on grade, volume, and distance from Burgas or Varna. Polymer-modified grades (PG 64-22, PMB 45) run €480–540/ton. Prices track Brent crude with a 2–4 week lag.
Q2: How many tons of bitumen do I need for a 10,000 m² overlay?
For a 50 mm compacted overlay, you need approximately 120 tons of bitumen (assuming 6% bitumen content and 2.4 t/m³ mix density). For 40 mm, it's 96 tons; for 60 mm, 144 tons. Add 3–5% for plant waste and handling losses.
Q3: What's the lead time for bitumen delivery in Bulgaria?
Domestic delivery from Lukoil Burgas takes 1–7 days depending on your region. Imports via Port Burgas or Varna take 10–21 days including shipping, port handling, and customs. Rail from Romania or Greece takes 7–16 days. Always add 2–3 days buffer for testing and acceptance.
Q4: Which bitumen grade is best for Bulgarian roads?
50/70 is the standard for national roads and highways (A1, A2, A3, A4). 70/100 works well for regional and municipal roads. PG 64-22 or polymer-modified grades are preferred for high-traffic urban intersections and bridges. Avoid 160/220 except for very low-traffic or cold-climate applications.
Q5: Can I import bitumen