Historic Bridges of the U.S. | Little Blue River Bridge

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Photos

Alton Bridge Overview

The bridge leading into Alton is known as the Alton Bridge. The bridge is a five span truss bridge consisting of four pony truss spans and one Pratt through truss span.

Photo taken by James McCray in August 2007

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Oblique View

Photo taken by James McCray in August 2007

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Closeup of a Pony Truss

Photo taken by James McCray in August 2007

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Deck View

Photo taken by James McCray in August 2007

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Main Span

Photo taken by James McCray in August 2007

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Main Span With Pony Trusses

Photo taken by James McCray in August 2007

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North Face of Bridge

Photo taken by James McCray in August 2007

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North Face of Bridge Again

Photo taken by James McCray in August 2007

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Builder's Plaque

The plaque says that the bridge was built by the Lafayette Bridge Co.

Photo taken by James McCray in August 2007

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Map

Vicinity map

Map links:

Facts

Overview: Through truss bridge over Little Blue River on CR 1190 South in Alton
Location: Crawford County, Indiana
Status: Open to traffic
Builder: - Lafayette Bridge Co.
Design: Through truss
Dimensions: Length of largest span: 138.7 ft.
Total length: 419.8 ft.
Deck width: 12.5 ft.
Vertical clearance above deck: 15.5 ft.
Approximate latitude, longitude: +38.12111, -86.41278 (decimal degrees)
38°07'16" N, 86°24'46" W (degrees°minutes'seconds")
Inventory numbers: INNBI 1300036 (Indiana bridge number on the National Bridge Inventory)
BH 15975 (Bridgehunter.com ID)
Inspection (as of 10/2005): Deck condition rating: Poor (4 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 48.1 (out of 100)
Average daily traffic (as of 1999): 230

Update Log

August 18, 2008: Updated by Anthony Dillon
January 30, 2008: New photos from James McCray

Sources

James McCray - jamesinslocomb [at] yahoo [dot] com
Anthony Dillon - spansaver [at] hotmail [dot] com

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Comments

Little Blue River Bridge

Posted September 5, 2007, by Anonymous

If this bridge still exists, the description makes it sound like a long bridge.