OR 47 (HWY 102) over NEHALEM RIVER

Map

Coordinates:
+45.85816, -123.17267
45°51'29" N, 123°10'22" W

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

Name:	OR 47 (HWY 102) over NEHALEM RIVER
Structure number:	02323 102 06128
Location:	VERNONIA CITY LIMITS
Purpose:	Carries highway over waterway
Route classification:	Major Collector (Rural) `[07]`
Length of largest span:	120.4 ft. `[36.7 m]`
Total length:	209.7 ft. `[63.9 m]`
Roadway width between curbs:	25.9 ft. `[7.9 m]`
Deck width edge-to-edge:	38.1 ft. `[11.6 m]`
Vertical clearance above deck:	14.1 ft. `[4.3 m]`
Owner:	State Highway Agency `[01]`
Year built:	1938
Historic significance:	Bridge is eligible for the National Register of Historic Places `[2]`
Design load:	M 13.5 / H 15 `[2]`
Main span material:	Steel `[3]`
Main span design:	Truss - Thru `[10]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Monolithic Concrete (concurrently placed with structural deck) `[1]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	3,100 `[as of 2017]`
Truck traffic:	13% 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 minimum criteria `[6]`
Channel protection:	Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. `[7]`
Pier/abutment protection:	In place but re-evaluation of design suggested `[4]`
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. `[8]`
Sufficiency rating:	44.0
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. `[31]`
Estimated cost of work:	$1,183,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
May 2018	Fair	Satisfactory	Fair	Fair	3100	44.0
May 2016	Poor	Satisfactory	Satisfactory	Poor	4200	27.2
May 2014	Poor	Fair	Satisfactory	Poor	4900	35.2
May 2012	Poor	Fair	Satisfactory	Poor	4900	35.2
March 2010	Poor	Fair	Satisfactory	Poor	3200	38.4
May 2008	Fair	Satisfactory	Satisfactory	Fair	3200	48.9
May 2006	Fair	Satisfactory	Satisfactory	Fair	3400	51.7
May 2005	Fair	Satisfactory	Satisfactory	Fair	3400	51.7
May 2004	Fair	Satisfactory	Satisfactory	Fair	3800	51.1
February 2003	Fair	Satisfactory	Good	Satisfactory	3700	62.7
May 2000	Poor	Satisfactory	Good	Poor	3500	38.9
May 1998	Fair	Good	Satisfactory	Good	3400	59.9
May 1996	Fair	Good	Satisfactory	Good	3200	69.6
May 1994	Fair	Good	Very Good	Satisfactory	3300	57.4
May 1992	Good	Good	Very Good	Good	3300	55.5
May 1990	Good	Good	Good	Good	2150	56.0

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

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Timber Girder/Beam	linear ft.	1,320	1,284	36	0	0
Steel Stringer	linear ft.	840	498	100	242	0
Steel Protective Coating	sq. ft.	3,600	0	2,160	720	720
Deck
Reinforced Concrete Deck	sq. ft.	8,919	7,519	1,118	282	0
Concrete Protective Coating	sq. ft.	5,985	5,985	0	0	0
Superstructure
Steel Truss	linear ft.	240	0	221	19	0
Steel Protective Coating	sq. ft.	9,882	0	260	4,416	5,206
Steel Floor Beam	linear ft.	294	0	224	70	0
Steel Protective Coating	sq. ft.	2,469	606	621	621	621
Steel Gusset Plate	each	40	2	23	15	0
Steel Protective Coating	sq. ft.	392	0	50	115	227
Substructure
Reinforced Concrete Column	each	4	1	0	3	0
Timber Abutment	linear ft.	98	88	10	0	0
Steel Abutment	linear ft.	19	0	0	19	0
Steel Protective Coating	sq. ft.	75	0	25	25	25
Reinforced Concrete Pile Cap/Footing	linear ft.	24	0	0	24	0
Steel Pile	each	7	6	1	0	0
Steel Protective Coating	sq. ft.	110	110	0	0	0
Timber Pile	each	23	11	8	3	1
Steel Pier Cap	linear ft.	16	16	0	0	0
Steel Protective Coating	sq. ft.	80	0	0	80	0
Reinforced Concrete Pier Cap	linear ft.	75	63	5	7	0
Timber Pier Cap	linear ft.	112	92	20	0	0
Joints
Open Joint	linear ft.	85	0	0	85	0
Other Joint	linear ft.	99	0	0	99	0
Bearings
Movable Bearing	each	2	0	2	0	0
Steel Protective Coating	sq. ft.	80	0	0	80	0
Fixed Bearing	each	2	0	2	0	0
Steel Protective Coating	sq. ft.	36	0	0	18	18
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	749	680	33	36	0
Steel Protective Coating	sq. ft.	2,130	0	1,065	955	110