N57 over STREAM

Map 

Facts 

Name:	N57 over STREAM
Structure number:	S057 01530
Location:	1S STANTON
Purpose:	Carries highway over waterway
Route classification:	Major Collector (Rural) [07]
Length of largest span:	12.1 ft. [3.7 m]
Total length:	25.9 ft. [7.9 m]
Owner:	State Highway Agency [01]
Year built:	1947
Year reconstructed:	1959
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:	Concrete [1]
Main spans design:	Culvert [19]
Deck type:	Not applicable [N]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	1,045 [as of 2008]
Truck traffic:	10% of total traffic
Channel protection:	Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Pier/abutment protection:	Navigation protection not required [1]
Culvert condition:	No noticeable or noteworthy deficiencies which affect the condition of the culvert. Insignificant scrape marks caused by drift. [8]
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:	35.6 tons [32.4 metric tons]
Inventory rating:	23.8 tons [21.6 metric tons]
Sufficiency rating:	83.4

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	1,210 [as of 1998]
Truck traffic:	10% of total traffic
Channel protection:	Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Culvert condition:	No noticeable or noteworthy deficiencies which affect the condition of the culvert. Insignificant scrape marks caused by drift. [8]
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:	35.6 tons [32.4 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	96.0

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	1,050 [as of 1990]
Truck traffic:	10% of total traffic
Channel protection:	Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Culvert condition:	No noticeable or noteworthy deficiencies which affect the condition of the culvert. Insignificant scrape marks caused by drift. [8]
Scour condition:	Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:	39.6 tons [36.0 metric tons]
Inventory rating:	18.6 tons [16.9 metric tons]
Sufficiency rating:	81.5

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