I-55 over DRAINAGE DITCH

Map 

Facts 

Name:	I-55 over DRAINAGE DITCH
Structure number:	054201500000000
Old structure number:	000054201524418 (from 1992 edition)
Location:	.7M SW ELKHART INT
Purpose:	Carries highway over waterway
Route classification:	Principal Arterial - Interstate (Rural) [01]
Length of largest span:	11.2 ft. [3.4 m]
Total length:	35.4 ft. [10.8 m]
Skew angle:	25°
Owner:	State Highway Agency [01]
Year built:	1974
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 [1]
Main spans design:	Culvert [19]
Deck type:	Not applicable [N]

Latest Available Inspection: January 2016 

Good/Fair/Poor Condition:	Good
Status:	Open, no restriction [A]
Average daily traffic:	30,300 [as of 2015]
Truck traffic:	40% of total traffic
Structural appraisal:	Better than present minimum criteria [7]
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]
Culvert condition:	Shrinkage cracks, light scaling and insignificant spalling which does not expose reinforcing steel. Insignificant damage caused by drift with no misalignment and not requiring corrective action. Some minor scouring has occured near curtain walls, wingwalls or pipes. Metal culverts have a smooth symmetrical curvature with superficial corrosion and no pitting. [7]
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:	48.5 tons [44.1 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	79.6

Previous Inspections 

Date	Suff. Rating	Condition	Culvert Condition	SD/FO	ADT
January 2016	79.6	Good	7 out of 10	-	30300
January 2014	79.6	Good	7 out of 10	-	29900
January 2012	81.4	Good	7 out of 10	-	28800
January 2010	81.5	Good	7 out of 10	-	25900
January 2008	81.3	Good	7 out of 10	-	29700
January 2006	81.5	Good	7 out of 10	-	27200
January 2004	81.4	Good	8 out of 10	-	28600
January 2002	83.0	Good	8 out of 10	-	26600
January 1998	83.0	Good	8 out of 10	-	28300
January 1994	83.0	Good	8 out of 10	-	20500
January 1992	100.0	Good	8 out of 10	-	18600