Project description

The river Daugava divides the city of Riga into two parts, the west bank and the east bank. The Daugava Tunnel project is an 8 km highway link, starting at the east bank with an approach road of 2250 m with several junctions and connections to the existing road network, an immersed tunnel part with a length of approximately of 1300 m and an approach road on the west bank of the river of 4500 m, also with several connections and crossings with the existing road network. Both a concrete immersed tunnel as a steel shell tunnel was designed.

Scope of work

Design Engineer and Employer’s representative for all the aspects of the project during the feasibility phase and the tender preparation phase, including:

  • Quick scan of a high cable stayed bridge, bored tunnel and an immersed tunnel
  • Preliminary design
  • Basis of design
  • Employer’s requirements for the Approach roads, Tunnel Civil Structures, Tunnel Electrical and Mechanical Installations, Definition Drawings and Quality System
Specification sheet 2 page(s) - 137 kB


Riga City Council, Financial Department

In co-operation with

Tebodin Latvia SIA and Juras Projects

Type of project

Immersed Tunnels





Project duration


Project phase

Feasibility phase and tender design phase

Construction cost

Appr. EUR 211.000.000,= (excl. VAT)

Consultancy fee

€ 400.000,= (excl. VAT)