SR20 over Apalachicola Relief


+30.44317, -85.02854
30°26'35" N, 85°01'43" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SR20 over Apalachicola Relief
Structure number:470056
Location:1.0mi East of SR71
Purpose:Carries highway over relief for waterway
Route classification:Principal Arterial - Other (Rural) [02]
Length of largest span:62.7 ft. [19.1 m]
Total length:375.0 ft. [114.3 m]
Roadway width between curbs:44.0 ft. [13.4 m]
Deck width edge-to-edge:47.2 ft. [14.4 m]
Owner:State Highway Agency [01]
Year built:1997
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:6
Main spans material:Prestressed concrete continuous [6]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]

Latest Available Inspection: July 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:9,685 [as of 2017]
Truck traffic:12% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:84.9

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2018GoodGoodGoodVery Good968584.9
August 2016GoodGoodGoodVery Good912384.9
September 2014GoodGoodGoodVery Good841484.9
October 2012GoodGoodGoodVery Good858884.9
November 2010GoodVery GoodVery GoodVery Good848984.9
December 2008GoodVery GoodVery GoodVery Good837184.9
January 2007GoodVery GoodVery GoodVery Good903584.9
February 2005GoodVery GoodVery GoodVery Good885884.9
March 2003GoodVery GoodVery GoodVery Good883084.9
May 2001GoodVery GoodExcellentExcellent876884.9
May 1999GoodVery GoodExcellentExcellent851484.9
July 1997GoodVery GoodExcellentExcellent890084.4

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Prestressed Concrete Girder/Beamlinear ft.1,8751,873200
Reinforced Concrete Decksq. ft.17,66215,9851,67700
Reinforced Concrete Abutmentlinear ft.9696000
Prestressed Concrete Pileeach3030000
Reinforced Concrete Pier Caplinear ft.222222000
Pourable Jointlinear ft.9400094
Elastomeric Bearingeach6060000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.750749100