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LRD S 20TH ST over KINNICKINNIC RIVER

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

Facts 

Name:LRD S 20TH ST over KINNICKINNIC RIVER
Structure number:P40084200000000
Location:2.1M S JCT STH 59
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Urban) [16]
Length of largest span:12.1 ft. [3.7 m]
Total length:39.0 ft. [11.9 m]
Skew angle:40°
Owner:City or Municipal Highway Agency [04]
Year built:1938
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:3
Main spans material:Concrete continuous [2]
Main spans design:Culvert [19]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: June 2014 

Status:Open, no restriction [A]
Average daily traffic:8,260 [as of 2011]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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]
Culvert condition:Moderate to major deterioration or disintegration, extensive cracking and leaching or spalls on concrete or masonry walls and slabs. Minor settlement or misalignment. Noticeable scouring or erosion at curtain walls, wingwalls or pipes. Metal culverts have significant distortion and deflection in one section, significant corrosion or deep pitting. [5]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:36.0 tons [32.7 metric tons]
Inventory rating:26.7 tons [24.3 metric tons]
Sufficiency rating:81.0

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
June 201481.0Not deficient---8260
June 201278.0Not deficient---8260
May 201061.3Not deficient---9700
June 200861.3Not deficient---9700
April 200661.3Not deficient---9700
April 200461.3Not deficient---9700
May 200261.5Not deficient---8700
May 200059.4Not deficient---8700
May 199859.4Not deficient---8600
May 199672.9Not deficientSatisfactory--8600
May 199470.7Not deficient---8600
May 199270.7Not deficient---8600
July 199070.7Not deficient---8600