13-B031 over IRRIGATION CANAL

Map 

Facts 

Name:	13-B031 over IRRIGATION CANAL
Structure number:	000000000007701
Location:	0.3 MI E NM-478 @ MP 11.0
Purpose:	Carries highway over waterway
Route classification:	Local (Rural) [09]
Length of largest span:	29.9 ft. [9.1 m]
Total length:	33.8 ft. [10.3 m]
Roadway width between curbs:	23.0 ft. [7.0 m]
Deck width edge-to-edge:	24.9 ft. [7.6 m]
Owner:	County Highway Agency [02]
Year built:	1974
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Main span material:	Prestressed concrete [5]
Main span design:	Channel beam [22]
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:	519 [as of 2008]
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Good [7 out of 9]
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]
Scour condition:	Bridge with "unknown" foundation that has not been evaluated for scour. [U]
Operating rating:	46.8 tons [42.5 metric tons]
Inventory rating:	30.6 tons [27.8 metric tons]
Sufficiency rating:	79.7
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:	$50,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	471 [as of 1998]
Truck traffic:	1% 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:	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]
Scour condition:	Bridge with "unknown" foundation that has not been evaluated for scour. [U]
Operating rating:	46.3 tons [42.1 metric tons]
Inventory rating:	30.3 tons [27.5 metric tons]
Sufficiency rating:	79.4
Recommended work:	Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:	$50,000

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	434 [as of 1991]
Deck condition:	Good [7 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Good [7 out of 9]
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]
Scour condition:	Scour calculation/evaluation has not been made. [6]
Operating rating:	46.5 tons [42.3 metric tons]
Inventory rating:	30.7 tons [27.9 metric tons]
Sufficiency rating:	80.6

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