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258 TH STREET over SILVER CK

Map 

Coordinates:
+43.64531, -96.72097
43°38'43" N, 96°43'15" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:258 TH STREET over SILVER CK
Structure number:000000050205140
Location:0.2E RENNER
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:20.0 ft. [6.1 m]
Total length:60.0 ft. [18.3 m]
Roadway width between curbs:31.8 ft. [9.7 m]
Deck width edge-to-edge:34.1 ft. [10.4 m]
Owner:County Highway Agency [02]
Year built:1935
Year reconstructed:1967
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 9 / H 10 [1]
Number of main spans:3
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: August 2012 

Status:Open, no restriction [A]
Average daily traffic:570 [as of 2010]
Truck traffic:3% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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]
Scour condition:Bridge with "unknown" foundation that has not been evaluated for scour. [U]
Operating rating:30.9 tons [28.1 metric tons]
Inventory rating:18.9 tons [17.2 metric tons]
Evaluation:Structurally deficient [1]
Sufficiency rating:47.4

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
August 201247.4Structurally deficientPoorFairPoor570
September 201064.5Not deficientFairSatisfactoryFair570
October 200874.5Not deficientFairSatisfactorySatisfactory570
September 200675.5Not deficientSatisfactorySatisfactorySatisfactory570
September 200475.5Not deficientSatisfactorySatisfactorySatisfactory570
October 200275.5Not deficientSatisfactorySatisfactorySatisfactory570
November 200075.5Not deficientSatisfactorySatisfactorySatisfactory570
October 199875.5Not deficientSatisfactorySatisfactorySatisfactory570
October 199675.5Not deficientGoodSatisfactoryGood570
October 199475.4Not deficientGoodSatisfactoryGood570
August 199278.1Not deficientGoodSatisfactoryGood570
July 199079.7Not deficientGoodVery GoodGood570