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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
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts

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