FORT DUQ BR SB over FT DUQ BRDG NB, ALLEGH R

Map 

Facts 

Name:	FORT DUQ BR SB over FT DUQ BRDG NB, ALLEGH R
Structure number:	020279006504520
Location:	I-279 SB FT DUQ. BR
Purpose:	Carries highway and pedestrian walkway over waterway
Route classification:	Principal Arterial - Interstate (Urban) [11]
Length of largest span:	422.9 ft. [128.9 m]
Total length:	921.0 ft. [280.7 m]
Roadway width between curbs:	53.5 ft. [16.3 m]
Deck width edge-to-edge:	61.4 ft. [18.7 m]
Vertical clearance below bridge:	1624.1 ft. [495.0 m]
Owner:	State Highway Agency [01]
Year built:	1959
Historic significance:	Bridge is not eligible for the National Register of Historic Places [5]
Design load:	M 13.5 / H 15 [2]
Main span material:	Steel [3]
Main span design:	Arch - Thru [12]
Deck type:	Concrete Cast-in-Place [1]
Wearing surface:	Latex Concrete or similar additive [3]

2010 Inspection 

Status:	Open, no restriction [A]
Average daily traffic:	17,573 [as of 2010]
Truck traffic:	9% of total traffic
Deck condition:	Satisfactory [6 out of 9]
Superstructure condition:	Fair [5 out of 9]
Substructure condition:	Satisfactory [6 out of 9]
Channel protection:	Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Pier/abutment protection:	None present but re-evaluation suggested [5]
Scour condition:	Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Operating rating:	86.8 tons [78.9 metric tons]
Inventory rating:	51.9 tons [47.2 metric tons]
Sufficiency rating:	60.9
Recommended work:	Other structural work, including hydraulic replacements. [38]
Estimated cost of work:	$2,000

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