Photos
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Side view |
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View from south |
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Deck view |
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Behind the south portal |
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South approach |
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Looking downstream |
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South portal |
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South pony truss approach |
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South stringer approaches |
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South portal from side |
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South abutment |
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North end |
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North approach |
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Original north abutment |
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Middle joint |
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Upper chord hip joint |
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Pony truss joint |
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Top of pier |
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Steel piers |
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Underneath |
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Builder's plaque Miller & Borcherding Builders St. Louis Mo. 1914 |
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Overhead plaque 1914 Jacob Rohrer, Presiding Judge W.D. Bass, Judge 1st District E.?. West, Judge 2nd District J.E. Summers County Clerk |
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North pony truss plaque Manufactured by The Township Supply Co St Louis Mo |
Facts
- Overview
- Through truss bridge over Meramec River on Bird's Nest Road north of Steelville
- Location
- Crawford County, Missouri
- Status
- Open to traffic on a paved road with a 3 ton weight limit
- History
- Built 1914 by Miller & Borcherding Bridge Builders of St. Louis
- Builders
- - Miller & Borcherding Bridge Builders of St. Louis, Missouri
- Township Supply Co.
- Design
- From north to south:
One riveted, half-hip Pratt pony truss (added later)
Two steel stringer spans
One pin-connected, 12-panel Pennsylvania through truss
One pin-connected Pratt pony truss
Three steel stringer spans
- Dimensions
-
Length of largest span: 249.9 ft.
Total length: 512.0 ft.
Deck width: 15.1 ft.
Vertical clearance above deck: 14.2 ft.
- Approximate latitude, longitude
- +37.99866, -91.35887 (decimal degrees)
37°59'55" N, 91°21'32" W (degrees°minutes'seconds") - Approximate UTM coordinates
- 15/644094/4206937 (zone/easting/northing)
- Land survey
- T. 38 N., R. 4 W., Sec. 21
- USGS topographic map
- Steelville
- Inventory numbers
- MONBI 19098 (Missouri bridge number on the National Bridge Inventory)
BH 21368 (Bridgehunter.com ID) - Inspection (as of 02/2007)
- Deck condition rating: Very Good (8 out of 9)
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 24.6 (out of 100) - Average daily traffic (as of 2007)
- 100