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THORN DRIVE over STREAM

Map 

Coordinates:
+39.07361, -94.73306
39°04'25" N, 94°43'59" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:THORN DRIVE over STREAM
Structure number:514301050000359
Location:THORN DR N OF DOUGLAS AVE
Purpose:Carries highway over waterway
Route classification:Local (Urban) [19]
Length of largest span:15.1 ft. [4.6 m]
Total length:43.0 ft. [13.1 m]
Roadway width between curbs:19.4 ft. [5.9 m]
Deck width edge-to-edge:21.7 ft. [6.6 m]
Owner:County Highway Agency [02]
Year built:1970
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:Wood or timber [7]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Wood or Timber [8]
Wearing surface:Other [9]

Latest Available Inspection: April 2015 

Status:Posted for load [P]
Average daily traffic:5 [as of 2015]
Truck traffic:80% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 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:Equal to present minimum criteria [6]
Roadway alignment appraisal:Meets minimum tolerable limits to be left in place as is [4]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Operating rating:28.9 tons [26.3 metric tons]
Inventory rating:18.9 tons [17.2 metric tons]
Sufficiency rating:72.7
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$356,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
April 201572.7Not deficientSatisfactorySatisfactoryGood5
May 201331.6Structurally deficientSatisfactorySatisfactoryPoor200
March 201147.7Functionally obsoleteSatisfactorySatisfactoryFair200
March 200928.6Structurally deficientPoorSatisfactoryPoor200
March 200746.6Functionally obsoleteFairGoodFair200
March 200545.6Functionally obsoleteSatisfactoryGoodFair200
October 200154.7Functionally obsoleteSatisfactoryGoodSatisfactory200
November 199954.5Functionally obsoleteSatisfactoryGoodSatisfactory200
August 199755.7Functionally obsoleteSatisfactoryGoodSatisfactory200
November 199555.5Functionally obsoleteSatisfactoryGoodSatisfactory200
November 199352.5Structurally deficientPoorGoodSatisfactory200