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US 26 (HWY 47) over N FORK NECANICUM RIVER

Clatsop County, Oregon

Map

Coordinates:
+45.90810, -123.80676
45°54'29" N, 123°48'24" W

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Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.

Name:	US 26 (HWY 47) over N FORK NECANICUM RIVER
Structure number:	06524 047 00707
Location:	071 MI SE CANNON BCH JCT
Purpose:	Carries highway over waterway
Route classification:	Principal Arterial - Other (Rural) `[02]`
Length of largest span:	56.8 ft. `[17.3 m]`
Total length:	100.1 ft. `[30.5 m]`
Roadway width between curbs:	34.5 ft. `[10.5 m]`
Deck width edge-to-edge:	36.1 ft. `[11.0 m]`
Owner:	State Highway Agency `[01]`
Year built:	1942
Historic significance:	Bridge is eligible for the National Register of Historic Places `[2]`
Design load:	M 13.5 / H 15 `[2]`
Number of main spans:	3
Main spans material:	Concrete continuous `[2]`
Main spans design:	Girder and floorbeam system `[03]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Monolithic Concrete (concurrently placed with structural deck) `[1]`

Latest Available Inspection: May 2017

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	9,500 `[as of 2016]`
Truck traffic:	11% of total traffic
Deck condition:	Fair `[5 out of 9]`
Superstructure condition:	Satisfactory `[6 out of 9]`
Substructure condition:	Satisfactory `[6 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:	Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. `[5]`
Pier/abutment protection:	In place and functioning `[2]`
Scour condition:	Countermeasures have been installed to mitigate an existing problem with scour. `[7]`
Sufficiency rating:	72.5

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
May 2017	Fair	Fair	Satisfactory	Satisfactory	9500	72.5
May 2015	Fair	Satisfactory	Satisfactory	Satisfactory	8400	73.5
May 2013	Fair	Satisfactory	Satisfactory	Satisfactory	6200	73.5
May 2011	Fair	Satisfactory	Satisfactory	Satisfactory	6200	73.5
May 2009	Fair	Satisfactory	Good	Satisfactory	5900	73.4
May 2007	Fair	Satisfactory	Good	Fair	6000	63.4
April 2005	Poor	Satisfactory	Good	Poor	6000	47.5
April 2004	Fair	Satisfactory	Very Good	Fair	5900	62.1
May 2003	Fair	Satisfactory	Very Good	Fair	5900	62.1
May 2001	Fair	Satisfactory	Very Good	Fair	5800	62.1
May 1999	Fair	Good	Very Good	Satisfactory	5700	73.1
May 1997	Good	Good	Very Good	Good	3700	77.5
May 1995	Good	Good	Very Good	Good	3700	60.7
May 1993	Good	Good	Very Good	Good	3700	60.7
May 1991	Good	Good	Very Good	Good	4250	69.4

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Reinforced Concrete Girder/Beam	linear ft.	200	200	0	0	0
Reinforced Concrete Floor Beam	linear ft.	288	288	0	0	0
Substructure
Reinforced Concrete Column	each	4	2	2	0	0
Reinforced Concrete Pier Cap	linear ft.	72	72	0	0	0
Joints
Other Joint	linear ft.	69	0	0	0	69
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	203	197	6	0	0
Steel Protective Coating	sq. ft.	667	583	84	0	0
Deck
Reinforced Concrete Slab	sq. ft.	3,620	1,200	2,420	0	0

© Copyright 2012-20, James Baughn
Disclaimer: All data is taken from the National Bridge Inventory and has not been verified.
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