Share:

SH 59 ML over SIX MILE CREEK

Map

Coordinates:
+40.55656, -102.62664
40°33'24" N, 102°37'36" W

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:113.9 ft. [34.7 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 2015

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]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Operating rating:31.5 tons [28.6 metric tons]
Inventory rating:21.5 tons [19.5 metric tons]
Sufficiency rating:60.4

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
May 201560.4FairSatisfactorySatisfactoryFair-280
May 201369.3FairSatisfactoryFairFair-280
May 201173.8FairSatisfactoryFairFair-190
April 200973.8FairSatisfactoryFairFair-190
June 200771.8FairSatisfactoryFairFair-200
June 200571.8FairSatisfactoryFairFair-228
May 200371.9FairSatisfactoryFairFair-262
April 200175.4FairVery GoodFairFair-262
April 199973.5FairSatisfactoryFairFair-252
April 199773.4FairSatisfactoryFairFair-280
April 199585.5FairSatisfactorySatisfactorySatisfactory-280
April 199371.9FairSatisfactorySatisfactorySatisfactory-360
May 199172.9FairSatisfactorySatisfactorySatisfactory-300

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Timber Girder/Beamlinear ft.1,6101,307276270
Substructure
Timber Columneach3882640
Timber Abutmentlinear ft.6060000
Timber Pier Caplinear ft.2041168800
Deck
Corrugated or Orthotropic Decksq. ft.2,9642,2143004500
Wearing Surfacessq. ft.2,85002,85000
Steel Protective Coatingsq. ft.2,9642,21400750
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.228228000
Steel Protective Coatingsq. ft.2281710057