I-71 Nc over I-75

Fair Condition59 years old20,852 vehicles/day

Location

StateKentucky
CountyBoone
LocationSbl Over I-75 Interchange
CarriesI-71 Nc
CrossesI-75
Coordinates38.87667, -84.62500

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure5 (Fair)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length307.1 ft (93.6 m)
Max Span82.0 ft (25 m)
Deck Width26.9 ft (8.2 m)
Deck Area767.5 sq m
Main Spans4
Year Built1967

Traffic

Avg Daily Traffic20,852 (2023)
Truck Traffic34%
Lanes On Bridge1
Lanes Under Bridge6

Inspection & Ownership

Last Inspection623
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Structure Number008B00042L

Nearby Bridges