OR 99W (HWY 91) SB over North Yamhill River

Map

Coordinates:
+45.23180, -123.16119
45°13'54" N, 123°09'40" W

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

Name:	OR 99W (HWY 91) SB over North Yamhill River
Structure number:	00441 01W 03499
Location:	002 MI N MCMINNVILLE
Purpose:	Carries highway over waterway
Route classification:	Other Principal Arterial (Urban) `[14]`
Length of largest span:	80.1 ft. `[24.4 m]`
Total length:	359.9 ft. `[109.7 m]`
Roadway width between curbs:	20.0 ft. `[6.1 m]`
Deck width edge-to-edge:	26.6 ft. `[8.1 m]`
Owner:	State Highway Agency `[01]`
Year built:	1921
Historic significance:	Bridge is possibly eligible for the National Register of Historic Places `[3]`
Design load:	M 13.5 / H 15 `[2]`
Main span material:	Steel `[3]`
Main span design:	Truss - Deck `[09]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Bituminous `[6]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	11,350 `[as of 2017]`
Truck traffic:	7% of total traffic
Deck condition:	Fair `[5 out of 9]`
Superstructure condition:	Fair `[5 out of 9]`
Substructure condition:	Fair `[5 out of 9]`
Structural appraisal:	Basically intolerable requiring high priority of corrrective action `[3]`
Deck geometry appraisal:	Basically intolerable requiring high priority of replacement `[2]`
Water adequacy appraisal:	Equal to present desirable criteria `[8]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
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]`
Scour condition:	Bridge is scour critical; bridge foundations determined to be unstable. `[3]`
Sufficiency rating:	41.1
Recommended work:	Widening of existing bridge or other major structure without deck rehabilitation or replacement `[33]`
Estimated cost of work:	$1,844,000

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
March 2018	Fair	Fair	Fair	Fair	11350	41.1
March 2016	Fair	Fair	Fair	Fair	18900	42.3
March 2014	Fair	Fair	Fair	Fair	13784	43.5
March 2012	Fair	Fair	Fair	Fair	13784	43.5
March 2010	Fair	Fair	Fair	Fair	13784	43.5
March 2008	Fair	Fair	Fair	Fair	13784	43.5
March 2006	Fair	Fair	Fair	Fair	13250	43.7
March 2004	Fair	Fair	Fair	Fair	12950	43.5
March 2002	Fair	Satisfactory	Satisfactory	Satisfactory	12950	54.4
March 2000	Fair	Satisfactory	Satisfactory	Satisfactory	11750	54.6
March 1998	Fair	Satisfactory	Satisfactory	Good	11750	55.6
March 1996	Fair	Satisfactory	Good	Very Good	20000	58.5
March 1994	Fair	Satisfactory	Good	Very Good	20000	58.5
May 1992	Good	Good	Good	Very Good	8000	65.6
March 1990	Good	Good	Good	Very Good	8000	63.6

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.	1,120	453	596	71	0
Reinforced Concrete Stringer	linear ft.	80	35	10	35	0
Steel Truss	linear ft.	160	0	150	10	0
Steel Protective Coating	sq. ft.	4,264	0	2,511	1,393	360
Steel Floor Beam	linear ft.	286	124	40	122	0
Steel Protective Coating	sq. ft.	990	0	729	156	105
Reinforced Concrete Floor Beam	linear ft.	8	8	0	0	0
Deck
Reinforced Concrete Top Flange	sq. ft.	7,468	6,872	140	456	0
Wearing Surfaces	sq. ft.	5,600	3,360	2,240	0	0
Superstructure
Steel Gusset Plate	each	56	36	16	4	0
Steel Protective Coating	sq. ft.	940	0	860	78	2
Substructure
Reinforced Concrete Column	each	33	24	7	2	0
Reinforced Concrete Abutment	linear ft.	53	53	0	0	0
Reinforced Concrete Pile Cap/Footing	linear ft.	20	20	0	0	0
Reinforced Concrete Pier Cap	linear ft.	187	171	5	11	0
Joints
Other Joint	linear ft.	102	15	30	53	4
Bearings
Movable Bearing	each	10	0	8	2	0
Steel Protective Coating	sq. ft.	18	0	18	0	0
Fixed Bearing	each	2	0	2	0	0
Steel Protective Coating	sq. ft.	14	0	0	14	0
Bridge Rail
Reinforced Concrete Bridge Rail	linear ft.	720	0	630	90	0
Deck
Reinforced Concrete Slab	sq. ft.	2,134	1,930	190	14	0
Wearing Surfaces	sq. ft.	1,600	960	640	0	0