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S 323 over LITTLE MISSOURI RIVER

Map

Coordinates:
+45.19897, -104.29719
45°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

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2017GoodGoodVery GoodGood20598.7
August 2013GoodGoodVery GoodGood76097.6
September 2009GoodGoodVery GoodGood50098.2
October 2005GoodVery GoodVery GoodVery Good7099.9
November 2001GoodVery GoodVery GoodVery Good10099.8
February 1998GoodVery GoodVery GoodVery Good6099.9
May 1994GoodVery GoodVery GoodVery Good7099.9
February 1992GoodVery GoodVery GoodVery Good6099.9

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.699699000
Deck
Reinforced Concrete Decksq. ft.4,8874,887000
Substructure
Reinforced Concrete Pier Walllinear ft.3333000
Reinforced Concrete Abutmentlinear ft.6969000
Bearings
Fixed Bearingeach1010000
Steel Protective Coatingsq. ft.1010000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.315312030