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BIRMINGHAM BRIDGE over MON RIVER, CSX RR

Map 

Coordinates:
+40.43213, -79.97387
40°25'56" N, 79°58'26" W
Source: National Bridge Inventory
Information not verified. Use at your own risk.

Facts 

Name:BIRMINGHAM BRIDGE over MON RIVER, CSX RR
Structure number:000000000001640
Old structure number:022085001005860 (from 1992 edition)
Location:BIRMINGHAM BRIDGE
Purpose:Carries highway and pedestrian walkway over railroad and waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:620.1 ft. [189.0 m]
Total length:1662.2 ft. [506.6 m]
Roadway width between curbs:90.2 ft. [27.5 m]
Deck width edge-to-edge:105.0 ft. [32.0 m]
Vertical clearance below bridge:3280.7 ft. [999.9 m]
Skew angle:99°
Owner:State Highway Agency [01]
Year built:1976
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Arch - Thru [12]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: July 2014 

Status:Open, no restriction [A]
Average daily traffic:20,642 [as of 2014]
Truck traffic:8% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Superior to present desirable criteria [9]
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 is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:54.8 tons [49.8 metric tons]
Inventory rating:32.9 tons [29.9 metric tons]
Evaluation:Functionally obsolete [2]
Sufficiency rating:63.4
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$3,000

Previous Inspections 

DateSuff. ratingEvaluationDeckSuper.Sub.ADT
July 201463.4Functionally obsoleteSatisfactoryFairFair20642
July 201268.0Functionally obsoleteSatisfactoryFairFair11379
July 201068.2Functionally obsoleteSatisfactoryFairFair11057
July 200980.0Functionally obsoleteGoodSatisfactorySatisfactory11057
November 200774.6Functionally obsoleteGoodSatisfactorySatisfactory23800
July 200674.7Functionally obsoleteGoodSatisfactorySatisfactory23422
March 200547.2Structurally deficientGoodPoorSatisfactory23190
July 200447.2Structurally deficientGoodPoorSatisfactory23190
July 200360.9Not deficientGoodFairSatisfactory32405
August 200249.9Structurally deficientGoodPoorSatisfactory31832
May 200149.9Structurally deficientGoodPoorSatisfactory31267
May 200049.9Structurally deficientGoodPoorSatisfactory31267
July 199949.9Structurally deficientGoodPoorSatisfactory30714
July 199849.9Structurally deficientGoodPoorSatisfactory30112
July 199749.9Structurally deficientGoodPoorSatisfactory29580
July 199649.9Structurally deficientGoodPoorSatisfactory29580
June 199547.9Structurally deficientGoodPoorSatisfactory28064
July 199447.9Structurally deficientGoodPoorSatisfactory27622