SR71 over Chipola River


+30.28691, -85.14472
30°17'13" N, 85°08'41" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SR71 over Chipola River
Structure number:470005
Location:8.5mi North of Gulf Co.
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:83.0 ft. [25.3 m]
Total length:696.6 ft. [212.3 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:31.2 ft. [9.5 m]
Owner:State Highway Agency [01]
Year built:1947
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Number of main spans:3
Main spans material:Steel continuous [4]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: December 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:3,000 [as of 2016]
Truck traffic:18% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Countermeasures have been installed to mitigate an existing problem with scour. [7]
Sufficiency rating:62.3

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
December 2017FairSatisfactorySatisfactoryFair300062.3
January 2016FairGoodGoodSatisfactory260074.2
January 2014FairGoodGoodSatisfactory240074.4
February 2012FairGoodGoodSatisfactory260074.2
March 2010FairGoodGoodSatisfactory260078.1
April 2008FairGoodGoodSatisfactory270078.0
May 2006FairGoodGoodSatisfactory260075.1
June 2004FairGoodGoodSatisfactory300071.0
July 2002FairGoodGoodSatisfactory260075.3
August 2000FairGoodGoodSatisfactory300071.1
September 1998FairGoodGoodSatisfactory300071.1
September 1996FairGoodGoodSatisfactory240070.8
October 1994FairGoodSatisfactorySatisfactory150075.1
October 1992FairGoodSatisfactorySatisfactory173174.6
October 1990FairGoodSatisfactorySatisfactory190875.3