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DUCK CREEK RD over YELLOWSTONE RIVER 020

Yellowstone County, Montana

Map

Coordinates:
+45.69346, -108.63964
45°41'36" N, 108°38'23" W

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 2016

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]`
Operating rating:	36.0 tons `[32.7 metric tons]`
Inventory rating:	36.0 tons `[32.7 metric tons]`
Sufficiency rating:	98.9

Previous Inspections

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

© Copyright 2012-18, 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/1317400