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R6 (I565E-US231N) over R-7; US 231; PINHOOK CR

Map

Coordinates:
+34.73279, -86.59686
34°43'58" N, 86°35'49" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:R6 (I565E-US231N) over R-7; US 231; PINHOOK CR
Structure number:015938
Location:RAMP 6 OVER MEM.PKWY
Purpose:Carries highway overpass over highway and waterway
Route classification:Principal Arterial - Interstate (Urban) [11]
Length of largest span:180.1 ft. [54.9 m]
Total length:4727.9 ft. [1441.0 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:27.9 ft. [8.5 m]
Vertical clearance above deck:17.7 ft. [5.4 m]
Vertical clearance below bridge:17.4 ft. [5.3 m]
Owner:State Highway Agency [01]
Year built:1991
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: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: February 2016

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:9,093 [as of 2016]
Truck traffic:6% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Better than present minimum criteria [7]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Operating rating:44.8 tons [40.7 metric tons]
Inventory rating:36.0 tons [32.7 metric tons]
Sufficiency rating:97.2
Estimated cost of work:$30,311,000

Previous Inspections

DateSuff. RatingConditionDeckSuperstructureSubstructureSD/FOADT
February 201697.2GoodGoodGoodGood-9093
February 201497.2GoodVery GoodGoodGood-8743
February 201297.2GoodVery GoodGoodGood-8407
February 201097.2GoodVery GoodGoodGood-8065
February 200897.3GoodVery GoodGoodGood-7969
February 200697.3GoodVery GoodGoodGood-7545
February 200497.3GoodVery GoodGoodGood-7040
January 200297.3GoodVery GoodGoodGood-7040
January 200096.4GoodGoodGoodGood-16692
January 199896.5GoodGoodGoodGood-16050
December 199597.1GoodGoodGoodGood-11590
December 199397.3GoodGoodGoodGood-9700

Element Data

Source: National Bridge Elements dataset, 2016 edition. This feature is experimental.
ElementUnitsQuantity1. Good2. Fair3. Poor4. Serious
Superstructure
Steel Girder/Beamlinear ft.5,8585,858000
Steel Protective Coatingsq. ft.7,7217,721000
Prestressed Concrete Girder/Beamlinear ft.5,0495,049000
Deck
Reinforced Concrete Decksq. ft.132,384132,3642000
Substructure
Reinforced Concrete Columneach3333000
Reinforced Concrete Abutmentlinear ft.4242000
Reinforced Concrete Pier Caplinear ft.837836100
Joints
Open Jointlinear ft.364364000
Bearings
Elastomeric Bearingeach5555000
Movable Bearingeach6565000
Steel Protective Coatingsq. ft.6565000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.9,4569,456000