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S-12-138 over BIG ROCKY CR

Map

Coordinates:
+34.56947, -80.93075
34°34'10" N, 80°55'51" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:S-12-138 over BIG ROCKY CR
Structure number:000000000005242
Old structure number:001270013800100 (from 1992 edition)
Location:1.8MI SW GREAT FALLS
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:44.9 ft. [13.7 m]
Total length:225.1 ft. [68.6 m]
Roadway width between curbs:26.2 ft. [8.0 m]
Deck width edge-to-edge:27.6 ft. [8.4 m]
Owner:State Highway Agency [01]
Year built:1968
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Number of main spans:2
Main spans material:Steel [3]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Precast Panels [2]
Wearing surface:Bituminous [6]

Latest Available Inspection: March 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:550 [as of 2017]
Truck traffic:7% 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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
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]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:59.3

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2017FairSatisfactoryFairFair55059.3
March 2015FairSatisfactoryFairFair47557.6
March 2013FairSatisfactoryFairFair47557.6
April 2011FairSatisfactoryFairFair55057.6
April 2009FairSatisfactoryFairFair60057.6
March 2007FairSatisfactorySatisfactoryFair80052.0
March 2005FairSatisfactorySatisfactorySatisfactory65067.6
March 1999GoodVery GoodGoodGood55067.8
March 1991GoodVery GoodGoodGood59767.3

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.450045000
Steel Protective Coatingsq. ft.10,75310,753000
Deck
Reinforced Concrete Decksq. ft.2,4752,35112400
Wearing Surfacessq. ft.2,4752,35112400
Superstructure
Reinforced Concrete Floor Beamlinear ft.193019300
Substructure
Steel Columneach2700270
Steel Protective Coatingsq. ft.10,75310,753000
Timber Columneach4003505
Steel Pier Caplinear ft.8308300
Steel Protective Coatingsq. ft.10,75310,753000
Reinforced Concrete Pier Caplinear ft.248024800
Bridge Rail
Other Material Bridge Raillinear ft.4500410040
Deck
Reinforced Concrete Slabsq. ft.3,7133,52718600
Wearing Surfacessq. ft.3,7133,52718600