+43.88142, -69.67153
43°52'53" N, 69°40'18" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SA#5 over BACK RIVER
Structure number:2039
Location:1.4 MI E TOWNLINE
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:55.1 ft. [16.8 m]
Total length:288.1 ft. [87.8 m]
Roadway width between curbs:20.0 ft. [6.1 m]
Deck width edge-to-edge:29.9 ft. [9.1 m]
Vertical clearance below bridge:3.3 ft. [1.0 m]
Skew angle:
Owner:State Highway Agency [01]
Year built:1931
Year reconstructed:1983
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18+Mod / HS 20+Mod [6]
Number of main spans:2
Main spans material:Steel [3]
Main spans design:Movable - Swing [17]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: January 2018

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:1,370 [as of 2016]
Truck traffic:5% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Serious [3 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Basically intolerable requiring high priority of corrrective action [3]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Pier/abutment protection:Navigation protection not required [1]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:7.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
January 2018PoorGoodSeriousFair13707.0
October 2016PoorGoodSeriousFair9837.0
June 2015PoorGoodPoorFair96621.4
September 2013PoorGoodPoorSatisfactory95524.8
September 2012PoorGoodPoorSatisfactory100924.8
October 2011FairGoodSatisfactorySatisfactory100343.3
October 2010FairGoodSatisfactorySatisfactory103042.9
October 2009FairGoodFairSatisfactory108340.8
February 2009FairGoodFairSatisfactory112040.8
September 2006FairGoodSatisfactorySatisfactory127840.8
January 2005FairGoodSatisfactoryFair100740.5
January 2003FairGoodSatisfactoryFair114340.5
December 2000FairGoodSatisfactoryFair112940.4
January 1999FairGoodSatisfactoryFair109540.4
January 1997FairGoodSatisfactoryFair124640.4
February 1995FairGoodSatisfactoryFair120640.4
March 1993FairGoodSatisfactoryFair116440.4
June 1990FairVery GoodSatisfactoryFair115741.6

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Steel Girder/Beamlinear ft.712712000
Steel Protective Coatingsq. ft.7126506200
Steel Stringerlinear ft.99070000290
Reinforced Concrete Decksq. ft.5,3405,340000
Steel Trusslinear ft.22011065405
Steel Floor Beamlinear ft.21065705520
Steel Gusset Plateeach5250200
Reinforced Concrete Pier Walllinear ft.60352050
Masonry Pier Walllinear ft.3003000
Reinforced Concrete Abutmentlinear ft.6055500
Open Grid Decksq. ft.3,3003,00030000
Concrete Filled Grid Decksq. ft.3,3003,00030000
Compression Jointlinear ft.6060000
Open Jointlinear ft.6060000
Movable Bearingeach2920900
Fixed Bearingeach2015500
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.356356000