Bottomless Arch Culverts and Timber Bridges - Michigan LTAP

86 Pages·2011·24.34 MB·English

Bottomless Arch Culverts
and Timber Bridges
Using county work forces for
installation
Introduction/Overview
Purpose of this presentation

Lessons we have learned

Everything works perfect on paper

You can’t over think your installation strategy

You always encounter old structures

Sometimes the road name gives you a clue of

things that you may encounter. (Marl Road,
Cinder Road, Burnt Mill Road)
Things get really ugly before they start to

improve.
History of Projects
Since 2003 have completed 7 projects

2 – Bottomless Aluminum Box Culverts

2 – Bottomless Structural Plate Arch Culverts

2 – Timber Bridges

1 – Deck Replacement Project

Specific Projects
Bentley West - 2003

Ex. Structure was 6 ft Diameter CMP 30 ft long.

New structure was 16’ Alum. Box Culv. on

prefabricated footer pads with Headwall and
sloped wing walls, 62 ft long.