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I-77 NB over LITTLE ROCKY CREEK

Map

Coordinates:
+34.58717, -81.01449
34°35'14" N, 81°00'52" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:I-77 NB over LITTLE ROCKY CREEK
Structure number:000000000007208
Location:2.8 MI N FAIRFIELD CO LIN
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Interstate (Rural) [01]
Length of largest span:49.9 ft. [15.2 m]
Total length:299.9 ft. [91.4 m]
Roadway width between curbs:42.0 ft. [12.8 m]
Deck width edge-to-edge:44.3 ft. [13.5 m]
Owner:State Highway Agency [01]
Year built:1979
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:6
Main spans material:Prestressed concrete [5]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: April 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:22,100 [as of 2017]
Truck traffic:18% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Equal to present desirable criteria [8]
Water adequacy appraisal:Equal to present desirable criteria [8]
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]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:97.0
Recommended work:Widening of existing bridge with deck rehabilitation or replacement. [34]
Estimated cost of work:$833,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2018FairFairGoodSatisfactory2210097.0
April 2016FairFairGoodSatisfactory2020097.0
April 2014FairSatisfactoryGoodSatisfactory1835096.3

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Prestressed Concrete Girder/Beamlinear ft.2,4002,400000
Deck
Reinforced Concrete Decksq. ft.12,57011,0001,0005700
Substructure
Steel Pileeach8400840
Reinforced Concrete Pier Caplinear ft.293293000
Joints
Pourable Jointlinear ft.2930932000
Bearings
Movable Bearingeach8008000
Fixed Bearingeach1601600
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.600600000