OR 34 (HWY 27) over ALSEA RIVER

Map

Coordinates:
+44.40503, -123.94267
44°24'18" N, 123°56'34" W

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

Name:	OR 34 (HWY 27) over ALSEA RIVER
Structure number:	02652 027 00706
Location:	071 MI E HWY 9 JCT
Purpose:	Carries highway over waterway
Route classification:	Minor Arterial (Rural) `[06]`
Length of largest span:	160.1 ft. `[48.8 m]`
Total length:	375.0 ft. `[114.3 m]`
Roadway width between curbs:	25.9 ft. `[7.9 m]`
Deck width edge-to-edge:	39.4 ft. `[12.0 m]`
Skew angle:	30°
Owner:	State Highway Agency `[01]`
Year built:	1940
Historic significance:	Bridge is possibly eligible for the National Register of Historic Places `[3]`
Design load:	M 13.5 / H 15 `[2]`
Number of main spans:	3
Main spans material:	Steel continuous `[4]`
Main spans design:	Girder and floorbeam system `[03]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Epoxy Overlay `[5]`

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	1,300 `[as of 2016]`
Truck traffic:	20% of total traffic
Deck condition:	Satisfactory `[6 out of 9]`
Superstructure condition:	Satisfactory `[6 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:	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 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 foundations determined to be stable for assessed or calculated scour conditions; field review indicates action is required. `[4]`
Sufficiency rating:	48.6

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
January 2018	Fair	Satisfactory	Satisfactory	Fair	1300	48.6
April 2015	Fair	Satisfactory	Satisfactory	Satisfactory	1400	56.4
April 2013	Fair	Satisfactory	Satisfactory	Satisfactory	1400	51.3
April 2011	Fair	Satisfactory	Satisfactory	Satisfactory	1400	51.3
April 2009	Fair	Satisfactory	Satisfactory	Satisfactory	1300	51.9
April 2007	Fair	Satisfactory	Satisfactory	Good	1900	48.0
March 2005	Fair	Satisfactory	Satisfactory	Good	1700	47.7
April 2003	Fair	Satisfactory	Satisfactory	Good	1700	47.7
April 2001	Fair	Satisfactory	Satisfactory	Good	1500	49.1
December 2000	Fair	Satisfactory	Fair	Very Good	1200	38.8
April 1999	Fair	Satisfactory	Fair	Very Good	1200	38.8
April 1997	Fair	Satisfactory	Fair	Very Good	650	54.7
April 1995	Fair	Satisfactory	Fair	Very Good	650	53.0
April 1993	Good	Good	Good	Very Good	650	67.8
February 1991	Good	Very Good	Good	Very Good	850	61.3

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

Element	Units	Quantity	1-Good	2-Fair	3-Poor	4-Serious
Superstructure
Steel Girder/Beam	linear ft.	750	510	180	60	0
Steel Protective Coating	sq. ft.	17,000	14,925	1,606	469	0
Steel Stringer	linear ft.	3,375	233	3,141	1	0
Steel Protective Coating	sq. ft.	11,119	9,937	1,098	84	0
Deck
Reinforced Concrete Deck	sq. ft.	13,500	13,275	200	25	0
Wearing Surfaces	sq. ft.	9,750	9,750	0	0	0
Superstructure
Steel Floor Beam	linear ft.	897	40	853	4	0
Steel Protective Coating	sq. ft.	6,440	5,750	644	46	0
Substructure
Reinforced Concrete Column	each	4	0	4	0	0
Reinforced Concrete Abutment	linear ft.	92	87	5	0	0
Reinforced Concrete Pile Cap/Footing	linear ft.	240	87	143	10	0
Joints
Open Joint	linear ft.	54	54	0	0	0
Other Joint	linear ft.	252	252	0	0	0
Bearings
Movable Bearing	each	6	0	4	2	0
Steel Protective Coating	sq. ft.	120	85	30	5	0
Fixed Bearing	each	2	0	2	0	0
Steel Protective Coating	sq. ft.	100	0	90	10	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	1,500	1,340	160	0	0
Steel Protective Coating	sq. ft.	5,550	0	4,995	555	0