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Bluffton vicinity

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Wells County Bridge No. 74, Spanning Rock Creek Ditch at County Road 400, Bluffton, Wells County, IN



B&W Photos


Data Pages


Photo Caption Pages


Item Title


Location
Spanning Rock Creek Ditch at County Road 400, Bluffton vicinity, IN

Find maps of Bluffton, IN


Created/Published
Documentation compiled after 1968.

Notes
Survey number HAER IN-94
Significance: This single span Pratt pony truss bridge is a good example of early 20th metal bridge construction. It was built by the Indiana Bridge Company and highly rated in a survey of Indiana's metal bridges.

Subjects
Metal Truss Bridges
Vehicular Bridges
Pony Truss Bridges


Collection
Historic American Engineering Record (Library of Congress)

Contents
Photograph caption(s): 
1. A LONG VIEW, LOOKING WEST FROM THE SOUTHEAST BANK OF ROCK CREEK DITCH SHOWING THE EAST SIDE OF THE BRIDGE.
2. LOOKING EAST, A MEDIUM VIEW OF THE WEST SIDE OF THE STRUCTURE.
3. LOOKING SOUTH THROUGH THE ROADWAY, FROM THE NORTH PORTAL.
4. AN IMAGE LOOKING NORTHWEST FROM THE SOUTHEAST APPROACH TO THE BRIDGE.
5. A VIEW LOOKING NORTHWEST FROM THE SOUTHEAST BANK, SHOWING THE EAST ABUTMENT, THE BRIDGE STRUCTURE AND BOTH BANKS.
6. A PHOTOGRAPH LOOKING WEST, TAKEN FROM THE ROADWAY OF THE BRIDGE, SHOWING A DOWNSTREAM VIEW OF ROCK CREEK DITCH.
7. A VIEW LOOKING NORTHEAST FROM THE SOUTH BANK, SHOWING THE BRIDGE AND ITS NORTHERN ABUTMENT.
8. LOOKING DUE NORTH FROM THE SOUTH BANK, A VIEW OF THE NORTH ABUTMENT AND THE UNDERSIDE OF THE BRIDGE DECK.
9. LOOKING NORTHWEST, A VIEW OF THE NORTH ABUTMENT, THE DITCH AND THE EAST SIDE OF THE STRUCTURE FROM BELOW.
10. AN IMAGE, LOOKING DUE NORTH OF THE BRIDGE DECK, SHOWING LAYERS OF GRAVEL, ASPHALT AND TIMBER.
11. A DETAIL VIEW, LOOKING NORTH, OF THE WEST INCLINED END POST, AND OF THE PIN CONNECTION OF THE SOUTHWESTERN VERTICAL MEMBER.
12. A DETAIL VIEW OF THE NORTHEASTERN END POST, LOOKING SOUTH, SHOWING THE MANUFACTURER'S MARK, 'CARNEGIE'.
13. A DETAIL VIEW, LOOKING EAST FROM THE WEST SIDE OF THE BRIDGE, OF THE LOWER PIN CONNECTION OF A TYPICAL VERTICAL MEMBER. VISIBLE ARE THE EYEBARS, HANGERS, 'I' SECTION, SWAY BARS AND WOOD DECKING.
14. A VIEW SOUTHEAST OF A PORTION OF THE LIMESTONE ABUTMENT, THE UNDERSIDE OF THE INCLINED END POST AND A PLATE USED TO ATTACH THE STRUCTURE TO THE ABUTMENT.
15. A DETAIL VIEW, LOOKING WEST FROM THE SOUTHEAST BANK OF THE DITCH, SHOWING THE EAST SIDE OF ONE OF THE ABUTMENTS. MOST JOINTS LOOK DRY, BUT WERE ORIGINALLY FILLED WITH MORTAR.
16. A DETAIL VIEW, LOOKING EAST FROM THE ROADWAY OF THE BRIDGE, SHOWING THE PINNED CONNECTION OF THE SOUTHEASTERN VERTICAL MEMBER, THE LATTICE RAIL, AND PART OF THE BRACING.


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