WM HOWARD TAFT over PRIVATE TUNNEL

Facts 

Name:	WM HOWARD TAFT over PRIVATE TUNNEL
Structure number:	3160289
Location:	AT I-71 WM H TAFT OVPASS
Route classification:	Other Principal Arterial (Urban) [14]
Length of largest span:	24.9 ft. [7.6 m]
Total length:	26.9 ft. [8.2 m]
Skew angle:	99°
Owner:	Private (other than railroad) [26]
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Design load:	M 18 / H 20 [4]
Main span design:	Culvert [19]
Deck type:	Not applicable [N]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	20,800 [as of 1990]
Culvert condition:	Large spalls, heavy scaling, wide cracks, considerable efflorescence or opened construction joint permitting loss of backfill. Considerable settlement or misalignment. Considerable scouring or erosion at curtain walls, wingwalls or pipes. Metal culverts have significant distortion and deflection throughout, extensive corrosion or deep pitting. [4]
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]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	54.2

2000 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	20,800 [as of 1990]
Culvert condition:	Large spalls, heavy scaling, wide cracks, considerable efflorescence or opened construction joint permitting loss of backfill. Considerable settlement or misalignment. Considerable scouring or erosion at curtain walls, wingwalls or pipes. Metal culverts have significant distortion and deflection throughout, extensive corrosion or deep pitting. [4]
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]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	54.1

1992 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	15,910 [as of 1971]
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Poor [4 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:	Structurally deficient [1]
Sufficiency rating:	50.0

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