174TH AVE over JOHNSON CREEK

Map 

Facts 

Name:	174TH AVE over JOHNSON CREEK
Structure number:	25T16 000 00223
Location:	022 MI S FAP 24
Purpose:	Carries highway and pedestrian walkway over waterway
Route classification:	Minor Arterial (Urban) [16]
Length of largest span:	28.9 ft. [8.8 m]
Total length:	102.0 ft. [31.1 m]
Roadway width between curbs:	24.0 ft. [7.3 m]
Deck width edge-to-edge:	31.5 ft. [9.6 m]
Skew angle:	30°
Owner:	County Highway Agency [02]
Year built:	1950
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Design load:	M 13.5 / H 15 [2]
Number of main spans:	2
Main spans material:	Steel continuous [4]
Main spans design:	Stringer/Multi-beam or girder [02]
Deck type:	Concrete Cast-in-Place [1]
Wearing surface:	Bituminous [6]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	7,814 [as of 2007]
Truck traffic:	10% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Good [7 out of 9]
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 with "unknown" foundation that has not been evaluated for scour. [U]
Operating rating:	45.9 tons [41.7 metric tons]
Inventory rating:	27.9 tons [25.4 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	70.9
Recommended work:	Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:	$523,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	7,290 [as of 1998]
Truck traffic:	10% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Good [7 out of 9]
Channel protection:	Bank and embankment protection is severely undermined. River control devices have severe damage. Large deposits of debris are in the channel. [4]
Scour condition:	Bridge with "unknown" foundation that has not been evaluated for scour. [U]
Operating rating:	45.5 tons [41.4 metric tons]
Inventory rating:	27.7 tons [25.2 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	70.7
Recommended work:	Widening of existing bridge or other major structure without deck rehabilitation or replacement [33]
Estimated cost of work:	$272,000

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	6,600 [as of 1989]
Truck traffic:	10% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Good [7 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:	Scour calculation/evaluation has not been made. [6]
Operating rating:	25.0 tons [22.7 metric tons]
Inventory rating:	26.7 tons [24.3 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	70.8

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