STH 35 over SLOUGH


+44.43398, -92.02469
44°26'02" N, 92°01'29" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:STH 35 over SLOUGH
Structure number:B06089800000000
Location:0.2M N JCT STH 25 TO N
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:65.3 ft. [19.9 m]
Total length:525.9 ft. [160.3 m]
Roadway width between curbs:29.9 ft. [9.1 m]
Deck width edge-to-edge:33.1 ft. [10.1 m]
Owner:State Highway Agency [01]
Year built:1933
Year reconstructed:1991
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Number of main spans:8
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: May 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:2,300 [as of 2015]
Truck traffic:8% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry 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:48.5 tons [44.1 metric tons]
Inventory rating:35.6 tons [32.4 metric tons]
Sufficiency rating:59.2
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$3,066,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201659.2FairGoodSatisfactoryFair-2300
July 201570.2FairGoodSatisfactorySatisfactory-2300
May 201473.1FairGoodSatisfactorySatisfactory-1940
May 201273.1FairGoodSatisfactoryGood-1940
June 201175.1FairGoodSatisfactoryGood-1940
May 201075.1FairGoodSatisfactoryGood-1940
August 200975.1FairGoodSatisfactoryGood-1940
May 200875.1GoodGoodGoodGood-1940
September 200675.1GoodGoodGoodGood-1940
March 200575.1GoodGoodGoodGood-1940
March 200375.1GoodVery GoodVery GoodVery Good-1940
March 200174.7GoodVery GoodVery GoodVery Good-2000
September 199973.2GoodVery GoodVery GoodVery Good-2000
August 199873.2GoodVery GoodVery GoodGood-2000
August 199776.9GoodVery GoodVery GoodVery Good-1380
August 199676.9GoodVery GoodVery GoodVery Good-1380
June 199577.0GoodGoodVery GoodGood-1380
June 199477.0GoodVery GoodVery GoodGood-1380
September 199378.4FairVery GoodVery GoodSatisfactory-1170
July 199278.4FairGoodVery GoodSatisfactory-1170
October 199178.4FairGoodSatisfactorySatisfactory-1170