Replacement Bridge Hengstey

Motorway A1, New Construction of Bridge Hengstey

Client

DEGES
Deutsche Einheit Fernstraßenplanungs- und- bau GmbH
Zimmerstraße 54
10117 Berlin
Germany

Contractor

BeMo Tunnelling GmbH, NL West
Civil Engineering, Industrial and Steel Construction Dortmund

in Joint Venture BeMo - Metrostav a.s. (BeMo-share: 50 %)

Project location

Motorway A1, Volmarstein
North Rhine-Westphalia
Germany

Start of construction

2018

End of construction

2022

Project total value

8.85 million €

Task

• Abbruch der bestehenden Autobahnbrücke Hengstey zwischen AS
Hagen West und Nord (3-feldriger Spannbetonüberbau)
• Erneuerung der Auflagerbänke und Flügelköpfe der Bestandswiderlager
sowie Auflagerbänke der Bestandspfeiler
• Ersatzneubau in VFT-Träger-Verbundbauweise

Technical Data

• Demolition of the existing motorway bridge Hengstey between motorway junctions Hagen West and North (3-unit top structure in prestressed concrete)
• Renovating concrete benchings and top parts of existing abut-ments as well as concrete benchings at existing pillars
• Reconstruction using Girder-Composite Construction (VFT-method)

Total Length: 88 m
Spans: 25 m / 37 m / 25 m
Width between railings: 38 m
Demolition of reinforced concrete structure: 2,470 m³
Reinforced concrete: 1,675 m³
Reinforced steel: 390 t
Structural steel: 720 t

Further project related information

• The contract includes detailed design for demolition of the exist-ing bridge as well as construction of a new bridge
• complex logistics on site due to
- traffic management of motorway A1
- transferring railway tracks (German Railroad Company) with 8 tracks
(track closures only in usually, nightly break times possible)
- transferring of 2 municipal roads
• demolition and new construction take place in sections during a
mininum of motorway traffic restriction and full operation of all railway tracks below the bridge