+47.47389, -115.92361
47°28'26" N, 115°55'25" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:STC 5758;6TH ST over S.FK.CDA RIVER:6TH ST.
Structure number:000000000020575
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:35.1 ft. [10.7 m]
Total length:37.1 ft. [11.3 m]
Roadway width between curbs:51.8 ft. [15.8 m]
Deck width edge-to-edge:74.5 ft. [22.7 m]
Skew angle:45°
Owner:City or Municipal Highway Agency [04]
Year built:1916
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:M 9 / H 10 [1]
Main span material:Concrete [1]
Main span design:Tee beam [04]
Deck type:Concrete Precast Panels [2]
Wearing surface:Bituminous [6]

Latest Available Inspection: October 2016

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:710 [as of 2015]
Truck traffic:23% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Critical [2 out of 9]
Structural appraisal:Basically intolerable requiring high priority of replacement [2]
Deck geometry appraisal:Superior to present desirable criteria [9]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank and embankment protection is severely undermined. River control devices have severe damage. Large deposits of debris are in the channel. [4]
Scour condition:Bridge is scour critical; field review indicates that extensive scour has occurred at bridge foundations. [2]
Operating rating:22.0 tons [20.0 metric tons]
Inventory rating:15.0 tons [13.6 metric tons]
Sufficiency rating:37.9
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$528,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
October 201637.9PoorPoorPoorCriticalSD710
October 201537.9PoorPoorPoorCriticalSD700
October 201439.9PoorFairPoorCriticalSD700
July 201340.9PoorSatisfactoryPoorCriticalSD700
July 201241.0PoorSatisfactoryPoorCriticalSD700
July 201141.0PoorSatisfactoryPoorCriticalSD570
July 201041.0PoorSatisfactoryPoorCriticalSD570
July 200941.0PoorSatisfactoryPoorCriticalSD570
July 200841.0PoorSatisfactoryPoorCriticalSD570
July 200746.3PoorSatisfactoryPoorPoorSD1100
July 200646.3PoorSatisfactoryPoorPoorSD1100
July 200546.3PoorSatisfactoryPoorPoorSD1100
July 200446.3PoorSatisfactoryPoorPoorSD1100
July 200346.3PoorSatisfactoryPoorPoorSD1100
July 200246.3PoorSatisfactoryPoorPoorSD1100
July 200046.3PoorSatisfactoryPoorPoorSD1200
July 199946.3PoorSatisfactoryPoorPoorSD1200
July 199846.3PoorSatisfactoryPoorPoorSD690
July 199746.3PoorSatisfactoryPoorPoorSD690
July 199646.3PoorSatisfactoryPoorPoorSD690
July 199546.3PoorSatisfactoryPoorPoorSD690
July 199444.3PoorSatisfactoryPoorPoorSD690
July 199344.3PoorSatisfactoryPoorPoorSD790
July 199244.3PoorSatisfactoryPoorPoorSD790
July 199144.3PoorSatisfactoryPoorPoorSD790

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Reinforced Concrete Girder/Beamlinear ft.7353352002000
Reinforced Concrete Top Flangesq. ft.2,7382,518200200
Wearing Surfacessq. ft.1,91301,4694440
Reinforced Concrete Abutmentlinear ft.194001940
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.72022500