Share:

PARKS HIGHWAY over NENANA RIVER PARK STA

Denali Borough, Alaska

Map

Coordinates:
+63.73741, -148.88669
63°44'15" N, 148°53'12" W

Facts

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

Name:	PARKS HIGHWAY over NENANA RIVER PARK STA
Structure number:	1147
Location:	MILE POINT 202.4
Purpose:	Carries highway over waterway
Route classification:	Principal Arterial - Interstate (Rural) `[01]`
Length of largest span:	140.1 ft. `[42.7 m]`
Total length:	500.0 ft. `[152.4 m]`
Roadway width between curbs:	33.1 ft. `[10.1 m]`
Deck width edge-to-edge:	34.1 ft. `[10.4 m]`
Skew angle:	45°
Owner:	State Highway Agency `[01]`
Year built:	1970
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	MS 18 / HS 20 `[5]`
Number of main spans:	4
Main spans material:	Steel continuous `[4]`
Main spans design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Concrete Cast-in-Place `[1]`
Wearing surface:	Monolithic Concrete (concurrently placed with structural deck) `[1]`

Latest Available Inspection: July 2018

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	2,588 `[as of 2017]`
Truck traffic:	26% of total traffic
Deck condition:	Good `[7 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:	Superior to present desirable criteria `[9]`
Roadway alignment appraisal:	Equal to present minimum criteria `[6]`
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]`
Pier/abutment protection:	Navigation protection not required `[1]`
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. `[8]`
Sufficiency rating:	61.4
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. `[31]`
Estimated cost of work:	$1,860,000

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
July 2018	Fair	Good	Satisfactory	Fair	2588	61.4
July 2016	Fair	Good	Satisfactory	Fair	2411	61.4
July 2014	Fair	Good	Satisfactory	Satisfactory	3080	72.4
July 2012	Fair	Good	Satisfactory	Satisfactory	2976	72.4
August 2010	Fair	Very Good	Satisfactory	Satisfactory	2892	72.4
July 2008	Fair	Very Good	Satisfactory	Satisfactory	3094	70.4
June 2006	Fair	Satisfactory	Satisfactory	Satisfactory	2748	66.9
July 2004	Fair	Fair	Fair	Fair	2179	54.9
August 2002	Fair	Fair	Fair	Fair	2274	54.9
August 2000	Poor	Fair	Fair	Poor	2274	45.9
August 1998	Poor	Fair	Fair	Poor	2496	45.9
September 1996	Poor	Satisfactory	Good	Poor	2375	46.9
May 1994	Poor	Satisfactory	Good	Poor	1632	46.0
September 1992	Fair	Satisfactory	Good	Fair	1079	65.0
August 1990	Fair	Satisfactory	Good	Fair	1079	65.0

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
Steel Girder/Beam	linear ft.	2,500	1,250	1,250	0	0
Steel Protective Coating	sq. ft.	20,700	18,630	2,070	0	0
Deck
Reinforced Concrete Deck	sq. ft.	17,000	16,600	400	0	0
Wearing Surfaces	sq. ft.	17,000	16,600	400	0	0
Substructure
Reinforced Concrete Pier Wall	linear ft.	140	120	20	0	0
Reinforced Concrete Abutment	linear ft.	100	85	10	5	0
Joints
Strip Seal Joint	linear ft.	50	48	0	0	2
Bearings
Elastomeric Bearing	each	25	10	15	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	1,000	900	50	50	0
Steel Protective Coating	sq. ft.	6,000	6,000	0	0	0

© Copyright 2012-20, James Baughn
Disclaimer: All data is taken from the National Bridge Inventory and has not been verified.
This page's URL is http://bridgereports.com/1000621