Structure 56B00205N · Jefferson County, KY

I-65 over Ns Railroad

Carries I-65 over Ns Railroad, 500 Ft N Of Crittenden DR.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure and Substructure at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT375 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 5/9

375 ft end to end, longest span 105 ft: about 5 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.

Built1957rebuilt 1982
Length374.7 ft114.2 m
Daily traffic129,829counted 2022
Last inspectedDecember 2024every 24 months

Location

StateKentucky
CountyJefferson
Location500 Ft N Of Crittenden DR
CarriesI-65
CrossesNs Railroad
Coordinates38.20861, -85.75222

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length374.7 ft (114.2 m)
Max Span105.3 ft (32.1 m)
Deck Width109.6 ft (33.4 m)
Deck Area3814.3 sq m
Main Spans4
Year Built1957 (reconstructed 1982)

Traffic

Avg Daily Traffic129,829 (2022)
Truck Traffic12%
Lanes On Bridge6

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour CriticalNot applicable
Structure Number056B00205N

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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