Funnel Bridge Construction

Funnel-based bridge construction uses funnel-shaped extensions or abutments to protect bridges from stream meandering while maintaining natural flow dynamics.Concept OverviewThe Funnel Concept, developed by Dave Derrick, is designed to protect bridges from the erosive effects of meandering streams without altering the natural stream alignment. The method involves extending bridge abutments using vegetated keys or bank protection structures, angled outward from the stream. The upstream opening of the funnel is made wider than the meander belt width, allowing the stream to flow naturally while reducing the risk of bridge scour or structural damage . The meander belt is defined as the zone between lines tangent to the outer bends of all meanders, encompassing areas of historical channel migration, abandoned channels, and oxbow lakes. Properly sizing the funnel ensures that the bridge can accommodate natural channel shifts without requiring stream modification .Structural and Design PrinciplesFunnel-based designs can also draw inspiration from funicular funnel-shaped shells, which are structurally efficient forms used in lightweight architectural applications. These shells combine compression-only structures with tension rings, allowing smooth transitions between vertical and horizontal elements. This approach demonstrates how funnel geometries can efficiently manage forces while maintaining openness and lightness in the structure . In bridge applications, the funnel shape helps distribute hydraulic forces and reduces localized stress on abutments. The design can be adapted to various materials, including reinforced concrete, steel, or composite systems, and can integrate digital form-finding tools to optimize structural efficiency and resilience .Practical ApplicationsBridge Protection: Funnel abutments prevent erosion and scour by guiding water flow safely through the bridge opening.Environmental Sustainability: The method avoids altering the stream's natural course, preserving ecosystems and sediment transport.Hydraulic Efficiency: By matching the funnel opening to the meander belt width, the bridge can handle flood events without excessive turbulence or sediment deposition.Integration with Modern Techniques: Funnel-based designs can incorporate CFRP/GFRP materials, real-time monitoring, and digital modeling to enhance durability and performance .SummaryFunnel-based bridge construction is a sustainable and structurally efficient approach that combines hydraulic engineering principles with innovative structural design. By extending abutments into a funnel shape, bridges can withstand the dynamic forces of meandering streams while minimizing environmental impact and maintenance needs. This concept is particularly valuable in areas with active channel migration or flood-prone rivers, offering a balance between structural safety, environmental preservation, and long-term resilience .

Feb 24, 2026

Exploring the Brooklyn Bridge: NYC''s Engineering Masterpiece

This integration was instrumental in Brooklyn''s transition from an independent city to a borough of New York City in 1898. The bridge''s

Dec 25, 2025

Section 1 Navigation equipment

1.2.3 Previous Stern First Ice Class ships have adopted variations on bridge wing orientation and funnel location in order to maximise bridge visibility. The arrangements shown in Table 5.1.1 Recommended

Jan 30, 2026

Vessel (structure)

Designed by Thomas Heatherwick, the elaborate honeycomb -like structure consists of 154 flights of stairs, 2,500 steps, and 80 landings for visitors to climb. Funded

Mar 06, 2026

Funnel construction over a durable foundation concrete

Download scientific diagram | Funnel construction over a durable foundation concrete at the NAIM. from publication: Durable Concrete Specification

May 13, 2026

Funnel Bridge royalty-free images

Find 2,035 Funnel Bridge stock images in HD and millions of other royalty-free stock photos, 3D objects, illustrations and vectors in the Shutterstock collection. Thousands of new, high

Dec 10, 2025

FunnelBridge was acquired by Tellent

FunnelBridge provides a frictionless, mobile-first application experience, particularly valuable in deskless sectors like construction, healthcare, logistics, and hospitality, where traditional

Jun 10, 2026

Brooklyn Bridge

OverviewDescription HistoryUsageTollsNotable eventsImpactSee also

The Brooklyn Bridge is a cable-stayed suspension bridge in New York City, spanning the East River between the boroughs of Manhattan and Brooklyn. Opened on May 24, 1883, the Brooklyn Bridge was the first fixed crossing of the East River. It was also the longest suspension bridge in the world when opened, with a main span of 1,595.5 feet (486.3 m) and a deck 127 ft (38.7 m) above mean high water. The span was originall

Dec 29, 2025

02A Lego Titanic Bridge & Funnel Construction 1

This video documents my first efforts to complete what the instructions call Step 2 of Lego''s Titanic. All went well until I tried to complete the first of the four funnels. It was a situation

Jun 04, 2026

How Are Bridges Built? A Visual Guide

How are bridges built? Let''s look at the bridge-building process to learn how these engineering wonders are are created to link us together over water

Mar 25, 2026

Watch Brooklyn Bridge | A Documentary by Ken Burns

This documentary examines the great problems and ingenious solutions that marked the construction of the Brooklyn Bridge.

Sep 26, 2025

Channel Tunnel | The Mind-blowing Engineering Behind It

Let''s explore why the Channel tunnel was built, its detailed design and also the construction secrets. Don''t forget to pledge your support today - Patreon:

Oct 11, 2025

Microsoft Word

This paper discusses a direct form-finding approach for funicular funnel shells, and demonstrates the manifold design space of these structures. In the following section, the basic structural principle is

Mar 06, 2026

Part 3, Hull Construction and Equipment

These Rules are intended for vessels of welded construction using steels complying with the requirements of Part 2, Chapter 1. Use of steels other than those in Part 2, Chapter 1 and the

Jul 15, 2026

Why we acquired FunnelBridge; my thoughts.

With conversational AI in 26 languages and mobile-first forms, FunnelBridge is designed for exactly that kind of efficiency. It''s also about speed; and speed wins. Companies that hire faster win...

Aug 28, 2025

A complete guide to funnel charts

Funnel charts are specialized charts for showing the flow of users through a process. Learn how to best use this chart type by reading this article.

Oct 15, 2025

What Is The Function Of A Funnel In Science

A funnel is a crucial laboratory tool that facilitates the transfer of liquids, powders, or granules from larger containers to smaller ones. In materials

Sep 20, 2025

Watch: World''s Largest Cruise Ship ''Icon Of The Seas'' Crosses Short

Retractable funnels are a little-known innovation that allows the largest cruise vessel in the world to sail under shorter bridges. Royal Caribbean introduced the Icon of the Seas into its 28

Oct 18, 2025

Mule Deer Are Already Using California''s First Wildlife Crossing—and

Construction on the $20 million bridge in Siskiyou County began last year and is expected to be complete by this fall, with miles of eight-foot-high fencing along the highway to help funnel

Feb 02, 2026

What Is Bridge Funnel? The Best Way to Convert Cold Traffic

There are many people who don''t know what the Bridge funnel is. For your information, we will present detailed information about this today. Many have benefited from doing marketing

Dec 09, 2025

Mayor Mamdani Announces Redesigned Bike and Pedestrian

Current (T) and future (B) design of the Brooklyn Bridge pedestrian and cyclist entrance in Manhattan. Credit: NYC DOT NEW YORK – Today, Mayor Zohran Kwame Mamdani and New

Oct 07, 2025

Zurn Z1019 Funnel Drain with P Trap

Zurn Z1019 funnel drain with P-trap features a dura-coated cast iron body and bronze cleanout plug. Designed to collect indirect waste in commercial drainage

Nov 01, 2025

Bridge Funnel Secrets: Mastering the Art of Conversion

Learn how a bridge funnel can boost your conversions by bridging the gap between user intent and desired outcomes. Discover essential strategies

Jan 29, 2026

See how massive cruise ships duck under suspension

See how massive cruise ships duck under suspension bridges Royal Caribbean ships use retractable funnels, massive ballast tanks and simply go for it

Oct 31, 2025

Bridge Funnel: High Converting Affiliate Marketing

Stop losing sales to cold traffic. Learn how to build a high-converting Bridge Funnel in WordPress to prime visitors and skyrocket affiliate revenue.

Nov 22, 2025

New York''s Brooklyn Bridge is an engineering marvel

His wire suspension cables led to a prolific career as a bridge builder, including bridges in Pittsburgh and downstream from Niagara Falls, where it

Funnel Bridge Construction