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Bridges Found: 4


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Mill Street (Rat River) Bridge

Status: Open to private traffic

Location: 45.564490,-88.675242

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Carries Private industrial road over Rat River
Design: truss/pony/pratt-half
Design Details: 3-panel pin-connected half-hip Pratt pony truss
Total Length: 0.0 Feet
Span Length: 0.0 Feet

Overview: Pinned Pratt pony truss bridge over Rat River on Private industrial road
History:
Built: ca.1900

Location: Forest County

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242084

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Unknown name truss bridge

Photo taken OUTSIDE sawmill gate. Perfectly legal.

Photo taken by Robert Thompson in October 2012

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The Red Bridge

Status: Open to pedestrians
When the replacement bridge was built, this bridge was moved downstream about 30 feet and set on new footings. As seen in the photos, an outstanding job of cleaning and painting was done to preserve this bridge.

Location: 45.641110,-88.446327

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Carries Old 101 Road over Armstrong Creek
Design: truss/pony/pratt
Design Details: Pratt Pony Truss with eyebar diagonals and pinned connections. The original deck has been replaced with new steel stringers and new wood cross-planks; new lattice rails have been installed on the sides.
Total Length: 0.0 Feet
Span Length: 0.0 Feet

Overview: Pratt pony truss bridge over Armstrong Creek on Old 101 Road
History: Built in 1908 replacing an existing wooden bridge; replaced and preserved in 2007
Built: 1908

Location: Forest County

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198799

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Looking southeast

Taken from Old 101 Road just north of the replacement bridge; this truss has been moved downstream and re-mounted on new footings.

Photo taken by Robert Thompson in May 2011

198800

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Closeup of span

The new wooden deck is on new steel stringers, which also serve as the approach spans. The pipe footings the bridge rests on are new as well.

Photo taken by Robert Thompson in May 2011

198801

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Underside of span

The longitudinal stringers supporting the new wood deck and the pilings are new. Everything else here is the original 104-year old bridge

Photo taken by Robert Thompson in May 2011

198802

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Barrel shot

New railings and wood deck.

Photo taken by Robert Thompson in May 2011

198803

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Pinned end connection

I gave no idea why such large pipe pilings were used for the footings. These are capable of supporting a huge span.

Photo taken by Robert Thompson in May 2011

198804

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Eyebar details

Photo taken by Robert Thompson in May 2011

198805

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Looking downstram from the span

Photo taken by Robert Thompson in May 2011

198806

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Bridge restoration placard.

Photo taken by Robert Thompson in May 2011

198807

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Road restoration placard

Photo taken by Robert Thompson in May 2011

198808

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Stream restoration placard

Photo taken by Robert Thompson in May 2011

198809

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New piliings

These are about 18 inch pipe, which are huge for what they are supporting. They are modern welded steel, but they have put in stove bolts to make them appear to be riveted.

Photo taken by Robert Thompson

198810

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Closeup of the structure.

The new lattice railing is welded; in my opinion this looks much better than using stove bolts to make it look like it is riveted. Refer to the Michigan St. Bridge in Sturgeon Bay WI for an example of bolted lattice.

Photo taken by Robert Thompson

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New Armstrong Creek bridge

Status: Open to traffic

Location: 45.641593,-88.446589

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Carries Old 101 Road over Armstrong Creek
Design: beam/stringer/wood
Design Details: Laminated timber stringers; treated lumber footings
Total Length: 34.1 Feet
Span Length: 32.5 Feet

Overview: Timber stringer bridge over Armstrong Creek on Old 101 Road
History: Replacement bridge of timber construction
Built: 2007

Location: Forest County

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198811

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View from under The Red Bridge

Notice the all-wood construction, including the treated lumber footings.

Photo taken by Robert Thompson in May 2011

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CN - US 8 Overpass

Status: Open to traffic

Location: 45.652689,-88.661528

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Carries Canadian National Railway over US 8
Design: girder/deck/plate
Design Details: Deck plate girder
Total Length: 49.0 Feet
Span Length: 0.0 Feet

Overview: Steel stringer bridge over US 8 on Canadian National Railway
History: Built 1934
Built: 1934

Location: Forest County

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499521

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View from north

Photo taken by Josh Schmid in May 2021


Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S  - Dismantled and/or in storage. L -  Severe loss of historic integrity due to alteration.

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