I20W I55S over GALLATIN ST LYNCH CK

Map 

Facts 

Name:	I20W I55S over GALLATIN ST LYNCH CK
Structure number:	110002002504580
Location:	0.8 MI E I 55S/ I 20W
Purpose:	Carries highway over highway and waterway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	80.1 ft. [24.4 m]
Total length:	880.0 ft. [268.2 m]
Roadway width between curbs:	50.9 ft. [15.5 m]
Deck width edge-to-edge:	53.8 ft. [16.4 m]
Vertical clearance below bridge:	16.4 ft. [5.0 m]
Owner:	State Highway Agency [01]
Year built:	1966
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Design load:	MS 18+Mod / HS 20+Mod [6]
Number of main spans:	3
Main spans material:	Concrete continuous [2]
Main spans design:	Box Beam or girders - Single or Spread [06]
Deck type:	Concrete Cast-in-Place [1]

Latest Available Inspection: August 2016 

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction [A]
Average daily traffic:	55,000 [as of 2015]
Truck traffic:	13% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Very Good [8 out of 9]
Structural appraisal:	Equal to present minimum criteria [6]
Deck geometry appraisal:	Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:	Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:	Equal to present desirable criteria [8]
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 assessed or calculated scour condition. [5]
Operating rating:	56.7 tons [51.5 metric tons]
Inventory rating:	49.5 tons [45.0 metric tons]
Sufficiency rating:	83.3

Previous Inspections 

Date	Suff. Rating	Condition	Deck	Superstructure	Substructure	SD/FO	ADT
August 2016	83.3	Fair	Satisfactory	Satisfactory	Very Good	-	55000
August 2014	86.1	Fair	Satisfactory	Satisfactory	Very Good	-	56500
August 2012	86.2	Fair	Satisfactory	Satisfactory	Very Good	-	55000
July 2010	85.5	Good	Good	Very Good	Very Good	-	67000
June 2008	83.8	Good	Good	Very Good	Very Good	-	62500
June 2006	87.2	Good	Good	Very Good	Very Good	-	54500
October 2004	73.4	Good	Good	Very Good	Very Good	FO	57500
September 2002	86.9	Good	Good	Very Good	Very Good	-	60000
September 2000	85.0	Good	Good	Very Good	Very Good	-	48500
September 1998	85.0	Good	Good	Very Good	Very Good	-	48500
February 1997	85.0	Good	Good	Very Good	Very Good	-	48500
February 1995	84.6	Good	Good	Very Good	Very Good	FO	40300
April 1991	84.9	Good	Good	Very Good	Very Good	FO	36640