US 31 SBL over CATOMA CREEK

Map 

Facts 

Name:	US 31 SBL over CATOMA CREEK
Structure number:	013887
Old structure number:	00000003510169A (from 1992 edition)
Location:	0.6 MI.S.OF SOU BLVD
Purpose:	Carries highway over waterway
Route classification:	Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:	69.9 ft. [21.3 m]
Total length:	808.1 ft. [246.3 m]
Roadway width between curbs:	40.0 ft. [12.2 m]
Deck width edge-to-edge:	42.7 ft. [13.0 m]
Owner:	State Highway Agency [01]
Year built:	1986
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Design load:	MS 18 / HS 20 [5]
Main span material:	Prestressed concrete [5]
Main span design:	Stringer/Multi-beam or girder [02]
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:	7,205 [as of 2008]
Truck traffic:	9% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Satisfactory [6 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 foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:	55.0 tons [50.0 metric tons]
Inventory rating:	28.8 tons [26.2 metric tons]
Sufficiency rating:	93.3
Estimated cost of work:	$10,816,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	10,935 [as of 1997]
Truck traffic:	4% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Satisfactory [6 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 is scour critical; bridge foundations determined to be unstable. [3]
Operating rating:	47.9 tons [43.5 metric tons]
Inventory rating:	36.0 tons [32.7 metric tons]
Sufficiency rating:	97.0

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	19,245 [as of 1990]
Truck traffic:	9% of total traffic
Deck condition:	Very Good [8 out of 9]
Superstructure condition:	Very Good [8 out of 9]
Substructure condition:	Very Good [8 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:	47.5 tons [43.2 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	96.6

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