Share:

HWY 105 over SKIPANON RIVER

Map

Coordinates:
+46.13844, -123.92458
46°08'18" N, 123°55'28" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:HWY 105 over SKIPANON RIVER
Structure number:11226A105 00017
Location:00.2 MI E FT STEVENS SEC
Purpose:Carries highway over highway and waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:60.0 ft. [18.3 m]
Total length:671.0 ft. [204.5 m]
Roadway width between curbs:44.0 ft. [13.4 m]
Deck width edge-to-edge:46.9 ft. [14.3 m]
Vertical clearance below bridge:20.0 ft. [6.1 m]
Owner:State Highway Agency [01]
Year built:1978
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Number of main spans:15
Main spans material:Prestressed concrete [5]
Main spans design:Slab [01]
Deck type:Concrete Precast Panels [2]
Wearing surface:Bituminous [6]

Latest Available Inspection: March 2016

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:10,300 [as of 2014]
Truck traffic:16% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present minimum criteria [6]
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:Better than present minimum criteria [7]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour conditions; field review indicates action is required. [4]
Operating rating:44.9 tons [40.8 metric tons]
Inventory rating:34.5 tons [31.4 metric tons]
Sufficiency rating:94.7

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
March 201694.7FairSatisfactorySatisfactorySatisfactory-10300
March 201495.0FairSatisfactorySatisfactorySatisfactory-8600
March 201295.0FairSatisfactorySatisfactorySatisfactory-8600
March 201094.6FairSatisfactorySatisfactorySatisfactory-10600
March 200895.1FairSatisfactorySatisfactorySatisfactory-10600
March 200696.5FairSatisfactorySatisfactoryGood-10300
March 200494.5GoodGoodGoodGoodFO10300
March 200294.5GoodGoodGoodGoodFO10000
April 200094.5GoodGoodGoodGoodFO10300
March 199894.5GoodGoodGoodGoodFO10300
March 199698.4GoodGoodGoodGood-10800
March 199498.4GoodGoodGoodGood-10800
September 199198.9FairSatisfactoryGoodVery Good-7150