Nigeria – FIDC – Ilubirin Development Access Road and Bridge Design

CDR & CDR Consultancy Engineering are providing the following services for the design of the bridge:

Geotechnical Interpretative Reporting
Analysis of expected traffic loads, intensities and further conditions;
Design of the bridge approach ramps;
Design of bridge approach, abutment, foundation (piles), bearings and joints;
Design of bridge deck;
Consideration of bridge horizontal and vertical alignment options;
Consider bridge span arrangements;
Design of bridge vehicle restraint system;
The overall aim of the engineering services lead to an integrated design of the bridge and link road.

The main characteristics of the design for the access link bridge between the Ilubirin Development and the immediate road network comprises of:

An optimum design to AASHTO standard is required to link the development to Third Mainland Bridge based on the preferred layout;
Crossing of existing roads shall provide the minimum envelope width/headroom clearances;
A minimum of 2 lanes per traffic direction;
Design should consider the restrictions of existing overhead and underground services, and where necessary seek departures from standards from regulatory authorities.