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


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


Name:LIBERTY BR over MON R,I376,0837,2 AV,ARL
Structure number:000000000001808
Old structure number:023069011001350 (from 1992 edition)
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 

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]
Evaluation:Structurally deficient [1]
Sufficiency rating:46.1
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$17,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
April 201546.1Structurally deficientPoorPoorFair37657
April 201346.1Structurally deficientPoorPoorFair37657
April 201121.5Structurally deficientPoorPoorFair16531
April 200942.7Functionally obsoleteFairFairFair20913
April 200737.5Functionally obsoleteFairFairFair45339
April 200537.3Functionally obsoleteFairFairFair43701
April 200337.3Functionally obsoleteFairFairFair45048
April 200137.3Functionally obsoleteFairFairFair63027
April 199922.3Structurally deficientFairPoorFair63027
20000.0Not applicable---117770
July 199751.0Structurally deficientFairPoorFair59626