LRD S 20TH ST over BR KINNICKINNIC RIVER

Facts 

Name:	LRD S 20TH ST over BR KINNICKINNIC RIVER
Structure number:	P40051000000000
Location:	0.5M N JCT IH 43-894
Purpose:	Carries highway over waterway
Route classification:	Minor Arterial (Urban) [16]
Length of largest span:	9.8 ft. [3.0 m]
Total length:	23.0 ft. [7.0 m]
Owner:	City or Municipal Highway Agency [04]
Year built:	1958
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:	2
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]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	11,400 [as of 2007]
Culvert condition:	Deterioration or initial disintegration, minor chloride contamination, cracking with some leaching, or spalls on concrete or masonry walls and slabs. Local minor scouring at curtain walls, wingwalls or pipes. Metal culverts have a smooth curvature, non-symmetrical shape, significant corrosion or moderate pitting. [6]
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:	53.5 tons [48.6 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	80.1

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	8,800 [as of 1980]
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:	Deterioration or initial disintegration, minor chloride contamination, cracking with some leaching, or spalls on concrete or masonry walls and slabs. Local minor scouring at curtain walls, wingwalls or pipes. Metal culverts have a smooth curvature, non-symmetrical shape, significant corrosion or moderate pitting. [6]
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:	53.5 tons [48.6 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	80.5

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	8,800 [as of 1980]
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:	Deterioration or initial disintegration, minor chloride contamination, cracking with some leaching, or spalls on concrete or masonry walls and slabs. Local minor scouring at curtain walls, wingwalls or pipes. Metal culverts have a smooth curvature, non-symmetrical shape, significant corrosion or moderate pitting. [6]
Scour condition:	Scour calculation/evaluation has not been made. [6]
Operating rating:	53.5 tons [48.6 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	80.4
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]

Comments