Structure 79B00126L · Marshall County, KY

US HWY 641 S over Jullian Carroll Parkway

Carries US HWY 641 S over Jullian Carroll Parkway, 3.2 Mi. N.e. Jct US 641.

Overall conditionFair

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

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

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT232 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 7/9

232 ft end to end, longest span 114 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 multi-beam bridge.

Built198442 years old
Length232.3 ft70.8 m
Daily traffic4,133counted 2021
Last inspectedJuly 2024every 48 months

Location

StateKentucky
CountyMarshall
Location3.2 Mi. N.e. Jct US 641
CarriesUS HWY 641 S
CrossesJullian Carroll Parkway
Coordinates36.84833, -88.37944

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length232.3 ft (70.8 m)
Max Span113.8 ft (34.7 m)
Deck Width28.2 ft (8.6 m)
Deck Area608.9 sq m
Main Spans2
Year Built1984

Traffic

Avg Daily Traffic4,133 (2021)
Truck Traffic12%
Lanes On Bridge1
Lanes Under Bridge4

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number079B00126L

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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