1 vote

Alton Bridge


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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BH Photo #110749


Street View 


Through truss bridge over Little Blue River on CR 1 South in Alton
Crawford County, Indiana
Open to one-lane traffic
Future prospects
Restored in 2009
- Lafayette Bridge Co. of Lafayette, Indiana
Main span: Pratt through truss
Length of largest span: 138.7 ft.
Total length: 419.8 ft.
Deck width: 12.5 ft.
Vertical clearance above deck: 15.5 ft.
Eligible for the National Register of Historic Places
Also called
Crawford County Bridge #45
Approximate latitude, longitude
+38.12109, -86.41293   (decimal degrees)
38°07'16" N, 86°24'47" W   (degrees°minutes'seconds")
Approximate UTM coordinates
16/551458/4219413 (zone/easting/northing)
Quadrangle map:
Average daily traffic (as of 2015)
Inventory numbers
INNBI 1300036 (Indiana bridge number on the National Bridge Inventory)
BH 15975 (Bridgehunter.com ID)
Inspection report (as of September 2016)
Overall condition: Poor
Superstructure condition rating: Serious (3 out of 9)
Substructure condition rating: Good (7 out of 9)
Deck condition rating: Good (7 out of 9)
Sufficiency rating: 20 (out of 100)
View more at BridgeReports.com

Update Log 

  • October 14, 2017: New photos from Mike Daffron
  • July 25, 2010: New photos from Anthony Dillon
  • April 15, 2010: New Street View added by J.P.
  • February 6, 2010: Updated by Anthony Dillon: Added year built.
  • December 6, 2009: New photos from Allie McDonald
  • August 18, 2008: Updated by Anthony Dillon
  • January 30, 2008: New photos from James McCray


  • James McCray - jamesinslocomb [at] yahoo [dot] com
  • Tony Dillon - spansaver [at] hotmail [dot] com
  • Allie McDonald - allie [dot] mcdonald08 [at] yahoo [dot] com
  • J.P. - wildcatjon2000 [at] gmail [dot] com
  • Mike Daffron - daffmikron [at] gmail [dot] com


Alton Bridge
Posted July 25, 2010, by Anthony Dillon (spansaver [at] hotmail [dot] com)

Of the several bridges I visited on Saturday, this one quickly became my favorite. An amazing structure that has been beautifully restored!

Alton Bridge
Posted December 2, 2009, by Dan Reitmeyer (dan [at] clrconstruction [dot] com)

The Alton Bridge has been restored by CLR Inc. of Vincennes Indiana

Little Blue River Bridge
Posted September 5, 2007, by Anonymous

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