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DUCK CREEK RD over YELLOWSTONE RIVER 020

Yellowstone County, Montana

Map

Coordinates:
+45.69372, -108.64097
45°41'37" N, 108°38'27" W

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Facts

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

Name:	DUCK CREEK RD over YELLOWSTONE RIVER 020
Structure number:	L56302000+03001
Location:	SW BILLINGS
Purpose:	Carries highway over waterway
Route classification:	Minor Collector (Rural) `[08]`
Length of largest span:	111.9 ft. `[34.1 m]`
Total length:	557.8 ft. `[170.0 m]`
Roadway width between curbs:	29.9 ft. `[9.1 m]`
Deck width edge-to-edge:	32.2 ft. `[9.8 m]`
Owner:	County Highway Agency `[02]`
Year built:	1991
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:	5
Main spans material:	Prestressed concrete `[5]`
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: August 2018

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	100 `[as of 2001]`
Deck condition:	Good `[7 out of 9]`
Superstructure condition:	Satisfactory `[6 out of 9]`
Substructure condition:	Satisfactory `[6 out of 9]`
Structural appraisal:	Equal to present minimum criteria `[6]`
Deck geometry appraisal:	Better than present minimum criteria `[7]`
Water adequacy appraisal:	Equal to present desirable criteria `[8]`
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]`
Scour condition:	Bridge foundations determined to be stable for assessed or calculated scour condition. `[5]`
Sufficiency rating:	98.9

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
August 2018	Fair	Good	Satisfactory	Satisfactory	100	98.9
August 2016	Fair	Good	Satisfactory	Satisfactory	100	98.9
August 2014	Fair	Good	Satisfactory	Satisfactory	100	99.9
August 2012	Fair	Good	Satisfactory	Satisfactory	100	99.9
August 2010	Fair	Good	Satisfactory	Fair	100	88.9
August 2008	Fair	Good	Satisfactory	Fair	100	88.9
July 2006	Fair	Good	Satisfactory	Satisfactory	100	99.9
July 2004	Fair	Good	Satisfactory	Satisfactory	100	99.9
September 2001	Fair	Good	Satisfactory	Satisfactory	100	99.9
March 1999	Fair	Good	Satisfactory	Satisfactory	100	99.9
July 1997	Fair	Good	Satisfactory	Very Good	100	99.9
October 1994	Fair	Good	Satisfactory	Very Good	96	99.9
June 1992	Good	Very Good	Very Good	Very Good	96	99.9
November 1989	Good	Excellent	Excellent	Excellent	96	99.9

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
Prestressed Concrete Girder/Beam	linear ft.	2,231	2,164	45	22	0
Deck
Reinforced Concrete Deck	sq. ft.	17,847	16,959	888	0	0
Substructure
Reinforced Concrete Pier Wall	linear ft.	144	0	141	3	0
Reinforced Concrete Abutment	linear ft.	112	45	67	0	0
Reinforced Concrete Pile Cap/Footing	linear ft.	4	4	0	0	0
Joints
Assembly with Seal	each	75	0	75	0	0
Bearings
Elastomeric Bearing	each	16	0	16	0	0
Steel Protective Coating	sq. ft.	16	0	16	0	0
Fixed Bearing	each	16	7	9	0	0
Steel Protective Coating	sq. ft.	16	14	2	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	1,673	1,606	67	0	0
Steel Protective Coating	sq. ft.	4,183	4,099	84	0	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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