Tagus River Bridge

Data
Images

Ponte 25 de Abril — image credits (ID:102044)

Tagus River Bridge — image credits (ID:155942)

General Information

Other name(s):	Ponte 25 de Abril
Beginning of works:	1962
Completion:	6 August 1966
Status:	in use

Project Type

Structure:	Suspension bridge
Function / usage:	Motorway bridge / freeway bridge Railroad (railway) bridge
Material:	Steel bridge

Location

Location:	Lisbon, Lisbon, Portugal
Crosses:	Tagus River
Coordinates:	38° 40' 47.27" N 9° 10' 29.84" W
Coordinates:	38° 42' 30.94" N 9° 10' 40.62" W

Technical Information

Dimensions

	main span	1 012.88 m
	length of side spans	483 m
	tower height	190.47 m
	clearance	70 m
approach	total length	945.11 m
deck	deck depth	10.7 m
main bridge	total length	2 277.64 m
main bridge	span lengths	2 x 99.64 m - 483.42 m - 1 012.88 m - 483.42 m - 98.64 m

Materials

cables	steel
piers	reinforced concrete
pylons	steel
deck truss	steel

Participants

Subcontractor

Demag Cranes & Components GmbH

Cable steel supplier

Trenzas y Cables de Acero PSC, S.L.

Bearings

Maurer Söhne GmbH & Co. KG

Initial construction (1962-1966)

Design

Steinman, Boynton, Gronquist & London

Architecture

Ray M. Boynton (architect)

Wind tunnel testing

Rowan Williams Davies & Irwin Inc.

Construction engineers

T. Y. Lin International

Contractor

American Bridge Company

Reconfiguration

Design

Steinman, Boynton, Gronquist & Birdsall

Renovation

Steel construction

Dillinger Stahlbau GmbH

Suspender replacement

Cables

Redaelli Tecna spa (suspenders)

Relevant Web Sites

Lusoponte

Relevant Publications

Concours public pour la concession de la construction et de l'exploitation du pont du Tage à Lisbonne in "Travaux", November 1959, n. 301
Le nouveau pont sur le Tage à Lisbonne (Portugal) in "Acier = Stahl = Steel", June 1961 v. 26
The Salazar Bridge, Ministério das Obras Públicas, Lisbon (Portugal), 1966
Die Hängebrücke über den Tejo in Lissabon in "Stahlbau", July 1965, n. 7 v. 34
Bouchet, André Le pont Salazar, sur le Tage, à Lisbonne, pont suspendu le plus long d'Europe in "La Technique des Travaux", March 1967, n. 3-4 v. 43
Brown, David J. Bridges, Macmillan Publishing Company, New York (USA), ISBN 002517455X, 1993; pp. 114-115
Cross, Barry Taking care of Tagus in "Bridge Design & Engineering", 3rd Quarter 2004, n. 36 v. 10
Emge, Alfons & He, Saizhong Tejo-Brücke Lissabon - Erweiterung in "Stahlbau", December 1998, n. 12 v. 67
Gesner, George A. & Jardim, José Bridge Within a Bridge in "Civil Engineering Magazine", October 1998, n. 10 v. 68
Graf, Bernhard Bridges that Changed the World, Prestel, Munich (Germany), ISBN 3791327011, 2002; pp. 100-101
Graf, Bernhard Brücken, die die Welt verbinden, Prestel, Munich (Germany), ISBN 3791327003, 2002; pp. 100-101
Hossain, Imam & Crawford, Cosema E. Seismic response of the Tagus River Bridge, Portugal presented at Extending the Lifespan of Structures, IABSE Symposium, San Francisco, August 1995.
Leonhardt, Fritz Brücken / Bridges (4^th edition), Deutsche Verlags-Anstalt, Stuttgart (Germany), ISBN 3421025908, 1994; pp. 292
Mann, F. A. W. Railway Bridge Construction, Hutchinson Eductational Ltd, London (United Kingdom), ISBN 0091086302, 1972
Muzeau, Jean-Pierre & Baptista, Antonio Rénovation du pont du 25 avril sur le Tage à Lisbonne in "Bulletin ponts métalliques", 2002, n. 21
Reis, Antonio J. & Pedro, José O. Railway installation on the Tagus Suspension Bridge in Lisbon, Portugal presented at Extending the Lifespan of Structures, IABSE Symposium, San Francisco, August 1995.
Torres Arcila, Martha Bridges - Ponts - Brücken, Atrium, Mexico City (Mexico), ISBN 8495692619, 2002; pp. 54-61

About this
data sheet
Structure-ID
20000237
Date created
16/05/1999
Last Update
05/02/2016