INTERSTATE 680 over SILVER CREEK

Map 

Facts 

Name:	INTERSTATE 680 over SILVER CREEK
Structure number:	37 0320
Location:	04-SCL-680-M1.13-SJS
Purpose:	Carries highway over waterway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	14.1 ft. [4.3 m]
Total length:	45.9 ft. [14.0 m]
Roadway width between curbs:	164.1 ft. [50.0 m]
Deck width edge-to-edge:	166.0 ft. [50.6 m]
Skew angle:	99°
Owner:	State Highway Agency [01]
Year built:	1974
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Number of main spans:	3
Main spans material:	Concrete continuous [2]
Main spans design:	Culvert [19]
Deck type:	Not applicable [N]

Latest Available Inspection: July 2015 

Good/Fair/Poor Condition:	Good
Status:	Open, no restriction [A]
Average daily traffic:	160,000 [as of 2009]
Truck traffic:	2% of total traffic
Structural appraisal:	Better than present minimum criteria [7]
Deck geometry appraisal:	Equal to present minimum criteria [6]
Water adequacy appraisal:	Equal to present desirable criteria [8]
Roadway alignment appraisal:	Better than present minimum criteria [7]
Channel protection:	Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
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:	59.5 tons [54.1 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	85.0

Previous Inspections 

Date	Suff. Rating	Condition	Culvert Condition	SD/FO	ADT
July 2015	85.0	Good	7 out of 10	-	160000
July 2013	85.0	Good	8 out of 10	-	160000
July 2011	85.0	Good	8 out of 10	-	160000
July 2009	85.0	Good	8 out of 10	-	187000
March 2008	85.0	Good	8 out of 10	-	187000
August 2005	85.0	Good	8 out of 10	-	187000
July 2003	70.0	Good	8 out of 10	-	187000
July 2001	85.0	Good	8 out of 10	-	179000
June 1999	85.0	Good	8 out of 10	-	179000
August 1995	70.0	Good	7 out of 10	-	175600
July 1993	71.7	Good	7 out of 10	-	124100
March 1991	71.7	Good	7 out of 10	-	124100