I124 NBL over W.12TH ST (NFA 410)

Map 

Facts 

Name:	I124 NBL over W.12TH ST (NFA 410)
Structure number:	33I01240011
Location:	4.2 MI S OF TN RIVER
Purpose:	Carries highway over highway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	64.0 ft. [19.5 m]
Total length:	148.0 ft. [45.1 m]
Roadway width between curbs:	39.0 ft. [11.9 m]
Deck width edge-to-edge:	50.2 ft. [15.3 m]
Vertical clearance below bridge:	18.7 ft. [5.7 m]
Skew angle:	8°
Owner:	State Highway Agency [01]
Year built:	1963
Historic significance:	Historical significance is not determinable at this time [4]
Design load:	MS 18 / HS 20 [5]
Number of main spans:	3
Main spans material:	Steel [3]
Main spans 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:	78,650 [as of 2009]
Truck traffic:	5% of total traffic
Deck condition:	Poor [4 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Fair [5 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	70.3 tons [63.9 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	59.0
Recommended work:	Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:	$328,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	62,630 [as of 1998]
Truck traffic:	5% of total traffic
Deck condition:	Fair [5 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Fair [5 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	65.3 tons [59.4 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	62.4
Recommended work:	Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:	$130,000

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	38,350 [as of 1990]
Truck traffic:	2% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Good [7 out of 9]
Substructure condition:	Satisfactory [6 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	52.5 tons [47.7 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	72.3
Recommended work:	Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:	$192,000

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