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US 87 over OTTER CREEK

Judith Basin County, Montana

Map

Coordinates:
+47.26350, -110.71504
47°15'49" N, 110°42'54" W

Facts

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

Name:	US 87 over OTTER CREEK
Structure number:	P00057010+08831
Location:	1M SE RAYNESFORD
Purpose:	Carries highway over waterway
Route classification:	Principal Arterial - Other (Rural) `[02]`
Length of largest span:	40.7 ft. `[12.4 m]`
Total length:	83.0 ft. `[25.3 m]`
Roadway width between curbs:	27.9 ft. `[8.5 m]`
Deck width edge-to-edge:	31.2 ft. `[9.5 m]`
Skew angle:	30°
Owner:	State Highway Agency `[01]`
Year built:	1964
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:	2
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: June 2018

Good/Fair/Poor Condition:	Good
Status:	Open, no restriction `[A]`
Average daily traffic:	2,513 `[as of 2017]`
Truck traffic:	14% of total traffic
Deck condition:	Very Good `[8 out of 9]`
Superstructure condition:	Very Good `[8 out of 9]`
Substructure condition:	Good `[7 out of 9]`
Structural appraisal:	Better than present minimum criteria `[7]`
Deck geometry appraisal:	Meets minimum tolerable limits to be left in place as is `[4]`
Water adequacy appraisal:	Better than present minimum criteria `[7]`
Roadway alignment appraisal:	Better than present minimum criteria `[7]`
Channel protection:	Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. `[7]`
Scour condition:	Bridge foundations determined to be stable for assessed or calculated scour condition. `[5]`
Sufficiency rating:	69.5
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. `[35]`
Estimated cost of work:	$165,000

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
June 2018	Good	Very Good	Very Good	Good	2513	69.5
June 2016	Fair	Satisfactory	Good	Good	1970	71.5
June 2014	Fair	Satisfactory	Good	Good	2070	70.5
June 2012	Fair	Satisfactory	Good	Good	2070	70.5
July 2010	Fair	Satisfactory	Good	Good	2070	70.5
June 2008	Fair	Satisfactory	Good	Good	1980	71.5
May 2006	Fair	Satisfactory	Good	Good	2560	70.5
September 2002	Fair	Satisfactory	Very Good	Very Good	2190	67.3
April 1998	Good	Good	Very Good	Very Good	2280	65.5
March 1994	Good	Very Good	Very Good	Very Good	1800	66.5
January 1992	Good	Very Good	Very Good	Very Good	1750	66.5

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.	331	331	0	0	0
Deck
Reinforced Concrete Deck	sq. ft.	2,594	2,594	0	0	0
Concrete Protective Coating	sq. ft.	2,594	2,594	0	0	0
Substructure
Reinforced Concrete Column	each	7	7	0	0	0
Reinforced Concrete Abutment	linear ft.	92	88	4	0	0
Reinforced Concrete Pier Cap	linear ft.	33	32	1	0	0
Bearings
Fixed Bearing	each	16	14	2	0	0
Steel Protective Coating	sq. ft.	16	12	2	0	2
Bridge Rail
Reinforced Concrete Bridge Rail	linear ft.	167	150	15	2	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/1318337