US 31 over 4 TH AVE SO & US 78

Map 

Facts 

Name:	US 31 over 4 TH AVE SO & US 78
Structure number:	009600
Old structure number:	00000003370113A (from 1992 edition)
Location:	US 31 & 4 TH AVE SO
Purpose:	Carries highway over highway
Route classification:	Other Principal Arterial (Urban) [14]
Length of largest span:	78.1 ft. [23.8 m]
Total length:	205.1 ft. [62.5 m]
Roadway width between curbs:	53.5 ft. [16.3 m]
Deck width edge-to-edge:	57.1 ft. [17.4 m]
Vertical clearance below bridge:	18.7 ft. [5.7 m]
Owner:	State Highway Agency [01]
Year built:	1968
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Design load:	MS 18 / HS 20 [5]
Number of main spans:	3
Main spans material:	Concrete continuous [2]
Main spans design:	Tee beam [04]
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:	37,645 [as of 2008]
Truck traffic:	4% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Good [7 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	70.7 tons [64.3 metric tons]
Inventory rating:	41.8 tons [38.0 metric tons]
Sufficiency rating:	80.0
Estimated cost of work:	$4,275,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	39,430 [as of 1997]
Truck traffic:	5% of total traffic
Deck condition:	Good [7 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Good [7 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	70.8 tons [64.4 metric tons]
Inventory rating:	41.9 tons [38.1 metric tons]
Sufficiency rating:	83.0

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	33,095 [as of 1988]
Truck traffic:	5% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Very Good [8 out of 9]
Substructure condition:	Good [7 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	44.6 tons [40.5 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Sufficiency rating:	82.0

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