CSAH 22(LYNDALE) over MINNEHAHA CREEK

Map 

Facts 

Name:	CSAH 22(LYNDALE) over MINNEHAHA CREEK
Structure number:	90444
Location:	1.4 MI N OF JCT TH35W
Purpose:	Carries highway and pedestrian walkway over waterway
Route classification:	Minor Arterial (Urban) [16]
Length of largest span:	24.9 ft. [7.6 m]
Total length:	37.1 ft. [11.3 m]
Roadway width between curbs:	45.9 ft. [14.0 m]
Deck width edge-to-edge:	65.9 ft. [20.1 m]
Owner:	County Highway Agency [02]
Year built:	1892
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Design load:	M 9 / H 10 [1]
Main span material:	Masonry [8]
Main span design:	Arch - Deck [11]
Deck type:	Not applicable [N]
Wearing surface:	Bituminous [6]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	19,272 [as of 2008]
Superstructure condition:	Serious [3 out of 9]
Substructure condition:	Poor [4 out of 9]
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:	48.5 tons [44.1 metric tons]
Inventory rating:	32.3 tons [29.4 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	27.8
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$583,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	12,900 [as of 1995]
Truck traffic:	10% of total traffic
Superstructure condition:	Fair [5 out of 9]
Substructure condition:	Poor [4 out of 9]
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:	48.1 tons [43.7 metric tons]
Inventory rating:	32.1 tons [29.2 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	49.5
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	13,200 [as of 1990]
Truck traffic:	1% of total traffic
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:	Shrinkage cracks, light scaling and insignificant spalling which does not expose reinforcing steel. Insignificant damage caused by drift with no misalignment and not requiring corrective action. Some minor scouring has occured near curtain walls, wingwalls or pipes. Metal culverts have a smooth symmetrical curvature with superficial corrosion and no pitting. [7]
Scour condition:	Scour calculation/evaluation has not been made. [6]
Operating rating:	47.5 tons [43.2 metric tons]
Inventory rating:	31.7 tons [28.8 metric tons]
Sufficiency rating:	74.5
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$480,000

Comments