Share:

CR 12 over Johnson Mill Brch

Liberty County, Florida

Map

Coordinates:
+30.33451, -84.99406
30°20'04" N, 84°59'39" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:CR 12 over Johnson Mill Brch
Structure number:560028
Location:11.9 Miles West of SR 65
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:10.8 ft. [3.3 m]
Total length:31.2 ft. [9.5 m]
Owner:County Highway Agency [02]
Year built:1952
Year reconstructed:1960
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:3
Main spans material:Concrete [1]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: January 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,900 [as of 2017]
Truck traffic:11% of total traffic
Structural appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Culvert condition:Deterioration or initial disintegration, minor chloride contamination, cracking with some leaching, or spalls on concrete or masonry walls and slabs. Local minor scouring at curtain walls, wingwalls or pipes. Metal culverts have a smooth curvature, non-symmetrical shape, significant corrosion or moderate pitting. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:95.1

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
January 2017Fair6 out of 10190095.1
January 2015Fair6 out of 10190095.1
January 2013Fair6 out of 10180095.0
January 2011Fair6 out of 10201294.5
February 2009Fair6 out of 10201292.5
March 2007Fair6 out of 10201292.5
April 2005Fair6 out of 10201291.5
May 2003Fair6 out of 10201291.7
June 2001Good7 out of 10201291.7
July 1999Good7 out of 10201268.4
June 1997Good7 out of 10201268.4
July 1995Good7 out of 10201291.3
August 1993Good7 out of 10201291.3
September 1991Good7 out of 10201266.4