310th Avenue Bridge

Iowa Bridge Number 349060

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The 5th Annual Historic Bridge Weekend will be held in Iowa and organized by The BridgeHunter's Chronicles this year from August 9th through the 11th. Details are available here.

Bridge Documented: June 30, 2009

Primary Photographer(s): Nathan Holth and Rick McOmber

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Key Facts

	Bridge Name	Facility Carried / Feature Intersected	Location	Structure Type	Construction Date and Builder/Engineer
	310th Avenue Bridge Iowa Bridge Number 349060	310th Avenue Over Minor Creek	Rural: Winneshiek County, Iowa	Metal 4 Panel Rivet-Connected Double-Intersection Warren Pony Truss, Fixed	1910 By Builder/Contractor: Unknown

Technical Facts

Main Span Length	Structure Length	Roadway Width	Main Spans	NBI Number
60 Feet (18.3 Meters)	60 Feet (18.3 Meters)	15.4 Feet (4.7 Meters)	1	349060

Historic Significance Rating (HSR)

View Archived National Bridge Inventory Report - Has Additional Details and Evaluation

This bridge is different from most of the other riveted truss bridges in the county that follow a similar standard plan, and thus it stands out as something different. The difference in design is likely due to the fact that it is a 1910 bridge, older than the many truss bridges in the county dating to 1920-1960. The bridge retains good historic integrity as well. Original lattice railings remain on the bridge.

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Photos and Videos: 310th Avenue Bridge

Available Photo Galleries and Videos

Click on a thumbnail or gallery name below to visit that particular photo gallery. If videos are available, click on a video name to view and/or download that particular video.

	Bridge Photo-Documentation Original / Full Size Photos	A collection of overview and detail photos. For the best visual immersion and full detail, or for use as a desktop background, this gallery presents the photos for this bridge in the original digital camera resolution.
	Bridge Photo-Documentation Mobile Optimized Gallery	A collection of overview and detail photos. View the photos for this bridge in a reduced size which is useful for mobile/smartphone users, modem (dial-up) users, or those who do not wish to wait for the longer download times of the full-size photos. Alternatively, view this photo gallery using a popup slideshow viewer (great for mobile users) by clicking the link below. Browse Gallery With Popup Viewer

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