IH 345 NB over IH 30, US 75 & DART RAIL

Map 

Facts 

Name:	IH 345 NB over IH 30, US 75 & DART RAIL
Structure number:	180570009214198
Location:	IH345 & IH30 INTERCHANGE
Purpose:	Carries highway overpass over highway and railroad
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	230.0 ft. [70.1 m]
Total length:	13114.5 ft. [3997.1 m]
Roadway width between curbs:	56.1 ft. [17.1 m]
Deck width edge-to-edge:	57.7 ft. [17.6 m]
Vertical clearance below bridge:	14.4 ft. [4.4 m]
Skew angle:	99°
Owner:	State Highway Agency [01]
Year built:	1971
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:	98
Main spans material:	Steel continuous [4]
Main spans design:	Girder and floorbeam system [03]
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:	32,545 [as of 2008]
Truck traffic:	23% of total traffic
Deck condition:	Fair [5 out of 9]
Superstructure condition:	Poor [4 out of 9]
Substructure condition:	Satisfactory [6 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	48.8 tons [44.4 metric tons]
Inventory rating:	36.0 tons [32.7 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	63.4
Recommended work:	Other structural work, including hydraulic replacements. [38]
Estimated cost of work:	$1,836,000

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	28,880 [as of 1998]
Truck traffic:	19% 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:	48.5 tons [44.1 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	78.7
Recommended work:	Other structural work, including hydraulic replacements. [38]
Estimated cost of work:	$18,360,000

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	37,220 [as of 1990]
Truck traffic:	19% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Satisfactory [6 out of 9]
Substructure condition:	Satisfactory [6 out of 9]
Scour condition:	Bridge not over waterway. [N]
Operating rating:	48.5 tons [44.1 metric tons]
Inventory rating:	35.6 tons [32.4 metric tons]
Evaluation:	Functionally obsolete [2]
Sufficiency rating:	73.2
Recommended work:	Other structural work, including hydraulic replacements. [38]
Estimated cost of work:	$18,360,000

Comments