US 87 over JUDITH RIVER
Map
Coordinates:
+47.01112, -109.8722447°00'40" N, 109°52'20" W
Facts
Source: National Bridge Inventory. Information not verified; use at your own risk.
Name: | US 87 over JUDITH RIVER |
Structure number: | P00057058+02611 |
Location: | 1M N HOBSON |
Purpose: | Carries highway over waterway |
Route classification: | Principal Arterial - Other (Rural) [02] |
Length of largest span: | 71.9 ft. [21.9 m] |
Total length: | 208.0 ft. [63.4 m] |
Roadway width between curbs: | 43.6 ft. [13.3 m] |
Deck width edge-to-edge: | 45.9 ft. [14.0 m] |
Owner: | State Highway Agency [01] |
Year built: | 1971 |
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: | 3 |
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: January 2017
Good/Fair/Poor Condition: | Fair |
Status: | Open, no restriction [A] |
Average daily traffic: | 2,250 [as of 2015] |
Truck traffic: | 17% of total traffic |
Deck condition: | Satisfactory [6 out of 9] |
Superstructure condition: | Good [7 out of 9] |
Substructure condition: | Satisfactory [6 out of 9] |
Structural appraisal: | Equal to present minimum criteria [6] |
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 assessed or calculated scour condition. [5] |
Sufficiency rating: | 79.0 |
Previous Inspections
Date | Condition | Deck | Superstructure | Substructure | ADT | Suff. Rating |
---|
January 2017 | Fair | Satisfactory | Good | Satisfactory | 2250 | 79.0 |
January 2013 | Good | Good | Good | Good | 2040 | 80.0 |
January 2009 | Good | Good | Good | Good | 2260 | 80.0 |
January 2005 | Good | Good | Good | Good | 2440 | 80.0 |
November 2000 | Good | Good | Good | Good | 2400 | 80.0 |
December 1996 | Good | Good | Good | Good | 1980 | 79.0 |
March 1993 | Good | Good | Good | Good | 1840 | 80.0 |
April 1991 | Good | Very Good | Very Good | Very Good | 1964 | 80.0 |
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. | 1,457 | 1,457 | 0 | 0 | 0 |
Deck |
Reinforced Concrete Deck | sq. ft. | 9,569 | 4,784 | 4,785 | 0 | 0 |
Substructure |
Reinforced Concrete Column | each | 4 | 0 | 4 | 0 | 0 |
Reinforced Concrete Abutment | linear ft. | 112 | 101 | 7 | 4 | 0 |
Reinforced Concrete Pier Cap | linear ft. | 92 | 74 | 18 | 0 | 0 |
Bearings |
Fixed Bearing | each | 27 | 26 | 1 | 0 | 0 |
Steel Protective Coating | sq. ft. | 27 | 26 | 0 | 1 | 0 |
Bridge Rail |
Steel or Aluminum Bridge Rail | linear ft. | 417 | 396 | 21 | 0 | 0 |
Steel Protective Coating | sq. ft. | 626 | 595 | 0 | 31 | 0 |