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SH 71 ML over HIGHLINE CANAL

Otero County, Colorado

Map

Coordinates:
+37.99854, -103.72018
37°59'55" N, 103°43'13" W

Facts

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

Name:	SH 71 ML over HIGHLINE CANAL
Structure number:	M-22-N
Location:	1.1 MI NO OF JCT SH 10
Purpose:	Carries highway over waterway
Route classification:	Major Collector (Rural) `[07]`
Length of largest span:	23.0 ft. `[7.0 m]`
Total length:	24.3 ft. `[7.4 m]`
Roadway width between curbs:	29.9 ft. `[9.1 m]`
Deck width edge-to-edge:	30.8 ft. `[9.4 m]`
Skew angle:	30°
Owner:	State Highway Agency `[01]`
Year built:	1950
Historic significance:	Bridge is not eligible for the National Register of Historic Places `[5]`
Design load:	M 18 / H 20 `[4]`
Main span material:	Wood or timber `[7]`
Main span design:	Stringer/Multi-beam or girder `[02]`
Deck type:	Wood or Timber `[8]`
Wearing surface:	Bituminous `[6]`

Latest Available Inspection: January 2018

Good/Fair/Poor Condition:	Poor
Status:	Open, no restriction `[A]`
Average daily traffic:	470 `[as of 2011]`
Truck traffic:	13% of total traffic
Deck condition:	Satisfactory `[6 out of 9]`
Superstructure condition:	Serious `[3 out of 9]`
Substructure condition:	Poor `[4 out of 9]`
Structural appraisal:	Basically intolerable requiring high priority of corrrective action `[3]`
Deck geometry appraisal:	Equal to present minimum criteria `[6]`
Water adequacy appraisal:	Equal to present desirable criteria `[8]`
Roadway alignment appraisal:	Equal to present desirable criteria `[8]`
Channel protection:	Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. `[8]`
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. `[8]`
Sufficiency rating:	53.9

Previous Inspections

Date	Condition	Deck	Superstructure	Substructure	ADT	Suff. Rating
January 2018	Poor	Satisfactory	Serious	Poor	470	53.9
January 2016	Poor	Satisfactory	Satisfactory	Poor	470	70.9
January 2014	Fair	Satisfactory	Fair	Fair	470	86.9
January 2012	Fair	Satisfactory	Fair	Fair	470	86.9
March 2010	Fair	Satisfactory	Fair	Fair	470	86.9
January 2008	Fair	Satisfactory	Satisfactory	Fair	470	86.9
January 2006	Fair	Satisfactory	Satisfactory	Fair	491	86.9
January 2004	Fair	Satisfactory	Satisfactory	Fair	491	83.9
January 2002	Fair	Satisfactory	Satisfactory	Fair	491	83.7
February 2000	Fair	Satisfactory	Satisfactory	Fair	478	83.7
January 1998	Fair	Satisfactory	Satisfactory	Fair	480	83.7
February 1996	Fair	Satisfactory	Satisfactory	Fair	480	83.7
February 1994	Good	Good	Good	Good	560	94.7
March 1991	Good	Good	Good	Good	480	94.7

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.	322	133	186	3	0
Substructure
Timber Column	each	16	0	4	12	0
Timber Abutment	linear ft.	72	0	72	0	0
Timber Pier Cap	linear ft.	80	0	0	80	0
Deck
Timber Deck	sq. ft.	753	678	75	0	0
Wearing Surfaces	sq. ft.	729	488	241	0	0
Bridge Rail
Steel or Aluminum Bridge Rail	linear ft.	48	48	0	0	0
Steel Protective Coating	sq. ft.	48	48	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/1070388