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SH 59 ML over SIX MILE CREEK

Phillips County, Colorado

Map

Coordinates:
+40.55678, -102.62673
40°33'24" N, 102°37'36" W

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Facts

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

Name:	SH 59 ML over SIX MILE CREEK
Structure number:	B-26-E
Location:	35.1 MI N OF JCT US 34
Purpose:	Carries highway over waterway
Route classification:	Minor Arterial (Rural) `[06]`
Length of largest span:	23.0 ft. `[7.0 m]`
Total length:	114.2 ft. `[34.8 m]`
Roadway width between curbs:	24.9 ft. `[7.6 m]`
Deck width edge-to-edge:	25.9 ft. `[7.9 m]`
Skew angle:	30°
Owner:	State Highway Agency `[01]`
Year built:	1948
Historic significance:	Bridge is possibly eligible for the National Register of Historic Places `[3]`
Design load:	M 18 / H 20 `[4]`
Number of main spans:	5
Main spans material:	Wood or timber `[7]`
Main spans design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Corrugated Steel `[6]`
Wearing surface:	Bituminous `[6]`

Latest Available Inspection: May 2017

Good/Fair/Poor Condition:	Fair
Status:	Open, no restriction `[A]`
Average daily traffic:	280 `[as of 2011]`
Truck traffic:	25% 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:	Somewhat better than minimum adequacy to tolerate being left in place as is `[5]`
Water adequacy appraisal:	Equal to present desirable criteria `[8]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
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 is scour critical; bridge foundations determined to be unstable. `[3]`
Sufficiency rating:	60.4

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
May 2017	Fair	Satisfactory	Satisfactory	Fair	280	60.4
May 2015	Fair	Satisfactory	Satisfactory	Fair	280	60.4
May 2013	Fair	Satisfactory	Fair	Fair	280	69.3
May 2011	Fair	Satisfactory	Fair	Fair	190	73.8
April 2009	Fair	Satisfactory	Fair	Fair	190	73.8
June 2007	Fair	Satisfactory	Fair	Fair	200	71.8
June 2005	Fair	Satisfactory	Fair	Fair	228	71.8
May 2003	Fair	Satisfactory	Fair	Fair	262	71.9
April 2001	Fair	Very Good	Fair	Fair	262	75.4
April 1999	Fair	Satisfactory	Fair	Fair	252	73.5
April 1997	Fair	Satisfactory	Fair	Fair	280	73.4
April 1995	Fair	Satisfactory	Satisfactory	Satisfactory	280	85.5
April 1993	Fair	Satisfactory	Satisfactory	Satisfactory	360	71.9
May 1991	Fair	Satisfactory	Satisfactory	Satisfactory	300	72.9

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
Timber Girder/Beam	linear ft.	1,610	1,127	368	46	69
Substructure
Timber Column	each	38	11	20	4	3
Timber Abutment	linear ft.	60	60	0	0	0
Timber Pier Cap	linear ft.	204	116	88	0	0
Deck
Corrugated or Orthotropic Deck	sq. ft.	2,964	2,214	300	450	0
Wearing Surfaces	sq. ft.	2,850	0	2,850	0	0
Steel Protective Coating	sq. ft.	2,964	2,214	0	0	750
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	228	171	57	0	0
Steel Protective Coating	sq. ft.	228	171	0	0	57

© Copyright 2012-20, James Baughn
Disclaimer: All data is taken from the National Bridge Inventory and has not been verified.
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