4TH STREET over ALLEGHENY RIVER

Map 

Facts 

Name:	4TH STREET over ALLEGHENY RIVER
Structure number:	527402041800050
Location:	0.1 MI FROM RT#44
Purpose:	Carries highway over waterway
Route classification:	Local (Rural) [09]
Length of largest span:	60.0 ft. [18.3 m]
Total length:	62.0 ft. [18.9 m]
Roadway width between curbs:	12.1 ft. [3.7 m]
Deck width edge-to-edge:	12.1 ft. [3.7 m]
Owner:	Town or Township Highway Agency [03]
Year built:	1910
Historic significance:	Bridge is eligible for the National Register of Historic Places [2]
Design load:	MS 22.5 / HS 25 [9]
Main span material:	Steel [3]
Main span design:	Truss - Thru [10]
Deck type:	Wood or Timber [8]
Wearing surface:	Bituminous [6]

2010 Inspection 

Status:	Bridge closed to all traffic [K]
Average daily traffic:	300 [as of 1991]
Deck condition:	Fair [5 out of 9]
Substructure condition:	Good [7 out of 9]
Channel protection:	Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:	Bridge foundations (including piles) on dry land well above flood water elevations. [9]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	18.7
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$1,000

2000 Inspection 

Status:	Bridge closed to all traffic [K]
Average daily traffic:	300 [as of 1991]
Deck condition:	Fair [5 out of 9]
Substructure condition:	Good [7 out of 9]
Channel protection:	Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:	Bridge foundations (including piles) on dry land well above flood water elevations. [9]
Inventory rating:	35.6 tons [32.4 metric tons]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	18.4
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$619,000

1992 Inspection 

Status:	Bridge closed to all traffic [K]
Average daily traffic:	300 [as of 1991]
Deck condition:	Imminent Failure [1 out of 9]
Substructure condition:	Satisfactory [6 out of 9]
Channel protection:	Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:	Scour calculation/evaluation has not been made. [6]
Evaluation:	Structurally deficient [1]
Sufficiency rating:	16.0
Recommended work:	Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:	$380,000

Comments