S 323 over LITTLE MISSOURI RIVER
Map
Coordinates:
+45.19897, -104.2971945°11'56" N, 104°17'50" W
Facts
Source: National Bridge Inventory. Information not verified; use at your own risk.
Name: | S 323 over LITTLE MISSOURI RIVER |
Structure number: | S00323056+05001 |
Location: | 15M NE ALZADA |
Purpose: | Carries highway over waterway |
Route classification: | Major Collector (Rural) [07] |
Length of largest span: | 70.5 ft. [21.5 m] |
Total length: | 142.4 ft. [43.4 m] |
Roadway width between curbs: | 31.2 ft. [9.5 m] |
Deck width edge-to-edge: | 34.5 ft. [10.5 m] |
Owner: | State Highway Agency [01] |
Year built: | 1983 |
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: August 2017
Good/Fair/Poor Condition: | Good |
Status: | Open, no restriction [A] |
Average daily traffic: | 205 [as of 2016] |
Truck traffic: | 11% of total traffic |
Deck condition: | Good [7 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: | 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: | 98.7 |
Previous Inspections
Date | Condition | Deck | Superstructure | Substructure | ADT | Suff. Rating |
---|
August 2017 | Good | Good | Very Good | Good | 205 | 98.7 |
August 2013 | Good | Good | Very Good | Good | 760 | 97.6 |
September 2009 | Good | Good | Very Good | Good | 500 | 98.2 |
October 2005 | Good | Very Good | Very Good | Very Good | 70 | 99.9 |
November 2001 | Good | Very Good | Very Good | Very Good | 100 | 99.8 |
February 1998 | Good | Very Good | Very Good | Very Good | 60 | 99.9 |
May 1994 | Good | Very Good | Very Good | Very Good | 70 | 99.9 |
February 1992 | Good | Very Good | Very Good | Very Good | 60 | 99.9 |
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 |
Prestressed Concrete Girder/Beam | linear ft. | 699 | 699 | 0 | 0 | 0 |
Deck |
Reinforced Concrete Deck | sq. ft. | 4,887 | 4,887 | 0 | 0 | 0 |
Substructure |
Reinforced Concrete Pier Wall | linear ft. | 33 | 33 | 0 | 0 | 0 |
Reinforced Concrete Abutment | linear ft. | 69 | 69 | 0 | 0 | 0 |
Bearings |
Fixed Bearing | each | 10 | 10 | 0 | 0 | 0 |
Steel Protective Coating | sq. ft. | 10 | 10 | 0 | 0 | 0 |
Bridge Rail |
Reinforced Concrete Bridge Rail | linear ft. | 315 | 312 | 0 | 3 | 0 |