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US-70 SEC 04-5.56 over LITTLE MISSOURI RIVER

Map

Coordinates:
+34.23889, -93.83472
34°14'20" N, 93°50'05" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US-70 SEC 04-5.56 over LITTLE MISSOURI RIVER
Structure number:000000000002488
Location:5.56 MI E OF HOWARD CO
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:89.9 ft. [27.4 m]
Total length:348.1 ft. [106.1 m]
Roadway width between curbs:25.9 ft. [7.9 m]
Deck width edge-to-edge:31.8 ft. [9.7 m]
Owner:State Highway Agency [01]
Year built:1949
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 18 / H 20 [4]
Number of main spans:6
Main spans material:Steel [3]
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: September 2015

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:1,500 [as of 2014]
Truck traffic:1% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Better than present minimum criteria [7]
Roadway alignment appraisal:Better than present minimum criteria [7]
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 foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:59.8 tons [54.4 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:66.9
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$977,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
September 201566.9PoorPoorFairSatisfactorySD1500
September 201466.9PoorPoorFairSatisfactorySD1500
September 201366.4PoorPoorFairSatisfactorySD1700
September 201152.5PoorPoorFairSatisfactorySD1700
September 200952.5PoorPoorFairSatisfactorySD1700
September 200752.5PoorPoorFairSatisfactorySD1700
September 200558.9PoorPoorSatisfactorySatisfactorySD2200
September 200358.6PoorPoorSatisfactorySatisfactorySD2200
April 200162.1PoorPoorSatisfactorySatisfactorySD1700
December 199960.1PoorPoorSatisfactorySatisfactorySD1700
May 199862.3FairFairSatisfactorySatisfactory-1700
January 199754.7FairFairFairSatisfactory-965
October 199553.5FairFairFairSatisfactory-965
December 199453.5FairFairFairSatisfactory-965
December 199353.5FairFairFairSatisfactory-965
February 199353.5FairFairFairSatisfactory-965
September 199162.8FairSatisfactorySatisfactorySatisfactory-1849

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.1,3921,3722000
Deck
Reinforced Concrete Decksq. ft.11,0308,4018001,8290
Superstructure
Steel Pin or Pin & Hangar Assemblyeach24120120
Substructure
Reinforced Concrete Columneach107003
Reinforced Concrete Pier Walllinear ft.7066040
Reinforced Concrete Abutmentlinear ft.132132000
Reinforced Concrete Pier Caplinear ft.175169060
Joints
Assembly with Sealeach125125000
Bearings
Movable Bearingeach88000
Fixed Bearingeach2080120
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.6966360600