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US101 (HWY 9) over NEAWANNA CREEK

Clatsop County, Oregon

Map

Coordinates:
+46.01083, -123.91141
46°00'39" N, 123°54'41" W

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Facts

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

Name:	US101 (HWY 9) over NEAWANNA CREEK
Structure number:	01305 009 01972
Location:	AT SEASIDE N C LMTS
Purpose:	Carries highway over waterway
Route classification:	Other Principal Arterial (Urban) `[14]`
Length of largest span:	52.5 ft. `[16.0 m]`
Total length:	210.0 ft. `[64.0 m]`
Roadway width between curbs:	26.9 ft. `[8.2 m]`
Deck width edge-to-edge:	39.4 ft. `[12.0 m]`
Owner:	State Highway Agency `[01]`
Year built:	1930
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:	4
Main spans material:	Concrete continuous `[2]`
Main spans design:	Tee beam `[04]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Bituminous `[6]`

Latest Available Inspection: September 2017

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	16,500 `[as of 2016]`
Truck traffic:	5% of total traffic
Deck condition:	Satisfactory `[6 out of 9]`
Superstructure condition:	Fair `[5 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:	Basically intolerable requiring high priority of corrrective action `[3]`
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:	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]`
Sufficiency rating:	49.0
Recommended work:	Widening of existing bridge or other major structure without deck rehabilitation or replacement `[33]`
Estimated cost of work:	$1,076,000

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
September 2017	Fair	Satisfactory	Fair	Fair	16500	49.0
September 2015	Fair	Satisfactory	Fair	Fair	17700	49.0
September 2013	Fair	Satisfactory	Fair	Fair	15900	54.8
September 2011	Fair	Satisfactory	Fair	Fair	15900	54.8
September 2009	Fair	Satisfactory	Fair	Fair	15800	55.9
September 2007	Fair	Satisfactory	Fair	Fair	18100	53.6
September 2005	Fair	Satisfactory	Fair	Fair	18100	54.6
September 2003	Fair	Good	Satisfactory	Fair	16800	55.0
September 2001	Fair	Good	Satisfactory	Fair	16500	55.1
September 1999	Fair	Good	Satisfactory	Fair	16100	56.3
September 1997	Fair	Good	Satisfactory	Fair	13400	57.6
September 1995	Fair	Very Good	Satisfactory	Satisfactory	13400	42.0
February 1994	Fair	Very Good	Satisfactory	Satisfactory	13400	56.8
January 1992	Good	Very Good	Good	Good	13400	55.8
November 1991	Good	Very Good	Good	Good	13400	55.8

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.	1,890	1,129	759	2	0
Deck
Reinforced Concrete Top Flange	sq. ft.	8,259	8,172	70	17	0
Wearing Surfaces	sq. ft.	5,670	5,670	0	0	0
Substructure
Reinforced Concrete Column	each	6	0	5	1	0
Reinforced Concrete Abutment	linear ft.	79	67	12	0	0
Reinforced Concrete Pile Cap/Footing	linear ft.	264	80	159	25	0
Timber Pile	each	1	1	0	0	0
Reinforced Concrete Pier Cap	linear ft.	118	66	52	0	0
Joints
Other Joint	linear ft.	474	0	474	0	0
Bearings
Movable Bearing	each	4	0	4	0	0
Bridge Rail
Reinforced Concrete Bridge Rail	linear ft.	434	0	419	15	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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