FM over DD


+42.98029, -94.46267
42°58'49" N, 94°27'46" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:FM over DD
Structure number:000000000268670
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:48.9 ft. [14.9 m]
Total length:52.2 ft. [15.9 m]
Roadway width between curbs:18.0 ft. [5.5 m]
Deck width edge-to-edge:20.0 ft. [6.1 m]
Owner:County Highway Agency [02]
Year built:1946
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: April 2017

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:70 [as of 2015]
Truck traffic:17% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Better than present minimum criteria [7]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:47.9
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2017PoorFairSatisfactoryPoor7047.9
April 2015PoorFairSatisfactoryPoor4548.0
April 2013PoorFairSatisfactoryPoor4535.0
April 2011PoorFairSatisfactoryPoor4535.0
April 2009PoorFairSatisfactoryPoor12022.8
April 2007PoorFairSatisfactoryPoor12022.8
August 2005PoorFairSatisfactoryPoor8035.0
July 2003PoorFairSatisfactoryPoor8035.0
July 2001FairSatisfactorySatisfactoryFair5059.5
July 1999FairSatisfactorySatisfactorySatisfactory12070.5
July 1997FairSatisfactorySatisfactorySatisfactory12070.5
May 1995FairSatisfactorySatisfactorySatisfactory12070.5
August 1993FairSatisfactorySatisfactorySatisfactory12070.5
April 1991FairSatisfactorySatisfactorySatisfactory9054.3