Structure 79B00151N · Marshall County, KY

U.s. 62 over Tennessee River

Carries U.s. 62 over Tennessee River, .75 Mi W Of Ky 453 Ntrch.

Overall conditionGood

Set by its lowest-rated component: Deck at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructure8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT3,117 FT OVERALL500 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 8/9

3,117 ft end to end, longest span 505 ft: about 8.7 football fields. 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.

Built200917 years old
Length3117.1 ft950.1 m
Daily traffic6,617counted 2022
Last inspectedJuly 2021every 48 months

Location

StateKentucky
CountyMarshall
Location.75 Mi W Of Ky 453 Ntrch
CarriesU.s. 62
CrossesTennessee River
Coordinates37.01444, -88.27333

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length3117.1 ft (950.1 m)
Max Span504.9 ft (153.9 m)
Deck Width49.9 ft (15.2 m)
Deck Area14441.5 sq m
Main Spans10
Year Built2009

Traffic

Avg Daily Traffic6,617 (2022)
Truck Traffic21%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2021
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number079B00151N

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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