NW 75TH ST over CR W OF AUTUMN AVE

Map 

Facts 

Name:	NW 75TH ST over CR W OF AUTUMN AVE
Structure number:	25339
Location:	S 13 T 51 N R 34 W
Purpose:	Carries highway over waterway
Route classification:	Local (Urban) [19]
Length of largest span:	11.2 ft. [3.4 m]
Total length:	24.0 ft. [7.3 m]
Roadway width between curbs:	22.0 ft. [6.7 m]
Deck width edge-to-edge:	40.0 ft. [12.2 m]
Owner:	City or Municipal Highway Agency [04]
Year built:	1980
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Number of main spans:	2
Main spans material:	Concrete [1]
Main spans design:	Culvert [19]
Deck type:	Not applicable [N]

2010 Inspection 

Status:	Posted for load [P]
Average daily traffic:	360 [as of 2008]
Truck traffic:	10% 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:	Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:	45.5 tons [41.4 metric tons]
Inventory rating:	26.7 tons [24.3 metric tons]
Sufficiency rating:	77.0

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