Structure 79B00001R · Marshall County, KY

Us-68 over Jackson Purchase Parkway

Carries Us-68 over Jackson Purchase Parkway, Ebl .2 Mi NW Of Jct Us641.

Overall conditionFair

Set by its lowest-rated component: Superstructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT203 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 7/9

203 ft end to end, longest span 82 ft: about 3 semi-trucks nose to tail. Lengths and the semi-truck on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a box-beam bridge.

Built196759 years old
Length203.4 ft62 m
Daily traffic6,759counted 2019
Last inspectedJuly 2023every 48 months

Location

StateKentucky
CountyMarshall
LocationEbl .2 Mi NW Of Jct Us641
CarriesUs-68
CrossesJackson Purchase Parkway
Coordinates36.92806, -88.34639

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Single/Spread
Total Length203.4 ft (62 m)
Max Span82.0 ft (25 m)
Deck Width34.8 ft (10.6 m)
Deck Area657.2 sq m
Main Spans2
Year Built1967

Traffic

Avg Daily Traffic6,759 (2019)
Truck Traffic13%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour CriticalNot applicable
Structure Number079B00001R

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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