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Main Street Bridge

Redwood County, Minnesota
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Photos 

Transversal view of the concrete railing

Photo taken by Jason Smith

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Map 

View Uglybridges.com report

Facts 

Overview
Girder bridge over Cottonwood River on Main St (Mun 22)
Location
Sanborn, Redwood County, Minnesota
Status
Open to traffic
History
Built 1918
Builder
- Milo Adams
Design
Girder
Dimensions
Length of largest span: 38.1 ft.
Total length: 142.4 ft.
Deck width: 17.4 ft.
Recognition
Eligible for the National Register of Historic Places
Approximate latitude, longitude
+44.20083, -95.12806   (decimal degrees)
44°12'03" N, 95°07'41" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/329960/4896381 (zone/easting/northing)
USGS topographic map
Sanborn
Inventory numbers
MN 1238 (Minnesota bridge number)
BH 46118 (Bridgehunter.com ID)
Inspection (as of 11/2011)
Deck condition rating: Fair (5 out of 9)
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Poor (4 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 28.4 (out of 100)
Average daily traffic (as of 1971)
70

Categories 

Built 1918 (329)
Built during 1910s (6,731)
Girder (3,241)
Milo Adams (2)
Minnesota (917)
NR-eligible (3,751)
Open (28,318)
 Owned by city (3,053)
Redwood County, Minnesota (26)
Sanborn, Minnesota (5)
Span length 25-50 feet (10,056)
Structurally deficient (16,683)
Total length 125-175 feet (4,137)

Update Log 

  • September 18, 2010: New photos from Jason Smith
  • September 11, 2010: Added by Jason Smith

Sources 

  • Jason Smith - JDSmith77 [at] gmx [dot] net
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Comments 

Main Street Bridge
Posted September 23, 2010, by Matthew Lohry

Actually, the Waterford Bridge, a large single-span truss bridge in Dakota County and featured on this website, also has the jack-arch deck.

Main Street Bridge
Posted September 23, 2010, by Jason Smith (JDSmith77 [at] gmx [dot] net)

Yes, Nathan. And what is even more unique is the fact that this jack arch deck design is lined up horizontally instead of vertically. Basically the deck is encarved vertically in a rectangular fashion, while the jacked arch design is done horizontally in each of the rectangular encarvings. This and the smaller spans are the only ones in the state that have this design and therefore are eligible for the NRHP.

Main Street Bridge
Posted September 22, 2010, by Nathan Holth (form3 [at] historicbridges [dot] org)

This bridge appears to have a jack arch deck, or something similar to a jack arch deck. Never seen one on a concrete girder bridge before.