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LIBERTY BRIDGE over MON R,I376,0837,2 AV,ARL

Map 

Coordinates:
+40.43437, -79.99578
40°26'04" N, 79°59'45" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:LIBERTY BRIDGE over MON R,I376,0837,2 AV,ARL
Structure number:000000000001808
Old structure number:023069011001350 (from 1992 edition)
Location:LIBERTY BRIDGE
Purpose:Carries highway and pedestrian walkway over highway, waterway, and railroad
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:470.2 ft. [143.3 m]
Total length:2663.2 ft. [811.7 m]
Roadway width between curbs:56.1 ft. [17.1 m]
Deck width edge-to-edge:65.9 ft. [20.1 m]
Vertical clearance below bridge:3280.7 ft. [999.9 m]
Owner:State Highway Agency [01]
Year built:1928
Year reconstructed:1983
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:8
Main spans material:Steel continuous [4]
Main spans design:Truss - Deck [09]
Deck type:Closed Grating [4]
Wearing surface:Bituminous [6]

Latest Available Inspection: April 2015 

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:37,657 [as of 2014]
Truck traffic:3% of total traffic
Deck condition:Poor [4 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Underclearances appraisal:Basically intolerable requiring high priority of corrrective action [3]
Water adequacy appraisal:Superior to present desirable criteria [9]
Roadway alignment appraisal:Equal to present desirable criteria [8]
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:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour conditions; field review indicates action is required. [4]
Operating rating:49.9 tons [45.4 metric tons]
Inventory rating:29.9 tons [27.2 metric tons]
Sufficiency rating:46.1
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$17,000

Previous Inspections 

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
April 201546.1PoorPoorPoorFairSD37657
April 201346.1PoorPoorPoorFairSD37657
April 201121.5PoorPoorPoorFairSD16531
April 200942.7FairFairFairFairFO20913
April 200737.5FairFairFairFairFO45339
April 200537.3FairFairFairFairFO43701
April 200337.3FairFairFairFairFO45048
April 200137.3FairFairFairFairFO63027
April 199922.3PoorFairPoorFairSD63027
July 199751.0PoorFairPoorFairSD59626