Structure 56B00142N · Jefferson County, KY

I-64 over Ky 3077 (river Rd)

Carries I-64 over Ky 3077 (river Rd), 1.0 Mi E Of US 31w.

Overall conditionPoor

Set by its lowest-rated component: Superstructure at 4 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating4/9 · Poor
Substructure6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT2,073 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 4/9 · sets the ratingSubstructure 6/9

2,073 ft end to end, longest span 146 ft: about 5.8 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.

Built196561 years old
Length2072.8 ft631.8 m
Daily traffic144,000counted 2008
Last inspectedAugust 2023every 24 months

Location

StateKentucky
CountyJefferson
Location1.0 Mi E Of US 31w
CarriesI-64
CrossesKy 3077 (river Rd)
Coordinates38.25889, -85.74889

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length2072.8 ft (631.8 m)
Max Span146.0 ft (44.5 m)
Deck Width94.2 ft (28.7 m)
Deck Area18132.7 sq m
Main Spans26
Year Built1965

Traffic

Avg Daily Traffic144,000 (2008)
Lanes On Bridge6
Lanes Under Bridge4

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number056B00142N

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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