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IRR BIA RTE 74 over LITTLE NESPELEM RIVER

Map

Coordinates:
+48.13656, -118.92184
48°08'12" N, 118°55'19" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:IRR BIA RTE 74 over LITTLE NESPELEM RIVER
Structure number:00000000000P336
Location:4.8 KM E OF COLVILLE AGCY
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:11.5 ft. [3.5 m]
Total length:26.9 ft. [8.2 m]
Roadway width between curbs:16.1 ft. [4.9 m]
Deck width edge-to-edge:16.1 ft. [4.9 m]
Owner:Bureau of Indian Affairs [62]
Year built:1994
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:2
Main spans material:Steel [3]
Main spans design:Culvert [19]
Deck type:Not applicable [N]

Latest Available Inspection: June 2017

Good/Fair/Poor Condition:Fair
Status:Open, posting recommended but not legally implemented [B]
Average daily traffic:20 [as of 2014]
Truck traffic:5% of total traffic
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Channel protection:Bank and embankment protection is severely undermined. River control devices have severe damage. Large deposits of debris are in the channel. [4]
Culvert condition:Deterioration or initial disintegration, minor chloride contamination, cracking with some leaching, or spalls on concrete or masonry walls and slabs. Local minor scouring at curtain walls, wingwalls or pipes. Metal culverts have a smooth curvature, non-symmetrical shape, significant corrosion or moderate pitting. [6]
Scour condition:Scour calculation/evaluation has not been made. [6]
Sufficiency rating:69.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$77,000

Previous Inspections

DateConditionCulvert ConditionADTSuff. Rating
June 2017Fair6 out of 102069.0
November 2014Fair6 out of 102069.0
December 2011Fair6 out of 105075.3
September 2009Good7 out of 105063.0
September 2007Fair6 out of 105062.6
May 2004Fair6 out of 105074.3
October 2001Good7 out of 105075.3
October 1998Good8 out of 105075.3
June 1997Good8 out of 105075.6
October 1994Good8 out of 105075.4