US Bridges

S 75 Nc over I 64

Poor

Fayette County, Kentucky · Sbl I75 @nw NTRCHNG-I64 · Structure no. 034B00085N

Built
1964
61 years old
Condition
Poor
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
310 ft
4 main spans
Daily traffic
92,932
2023 count
Owner
State
State Highway Agency

About this bridge

S 75 Nc over I 64 is a steel stringer/multi-beam or girder carrying S 75 Nc over I 64 in Fayette County, Kentucky. It was built in 1964, so it is 61 years old, older than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 92,932 vehicles a day, roughly 20% of them trucks, projected to reach 102,225 by 2043. The structure is 310 ft (94.5 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesS 75 Nc
CrossesI 64
LocationSbl I75 @nw NTRCHNG-I64
RouteInterstate 75
CountyFayette County
StateKentucky
Coordinates38.11611, -84.52639
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment7: Better than present minimum criteria
Operating rating50.5 US tons
Inventory rating30.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length310 ft (94.5 m)
Longest span84 ft (25.6 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic92,932 (2023)
Projected traffic102,225 by 2043
Trucks20%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was S 75 Nc over I 64 built?

It was built in 1964, making it 61 years old in 2025.

What condition is S 75 Nc over I 64 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2023.

How much traffic does S 75 Nc over I 64 carry?

About 92,932 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is S 75 Nc over I 64?

The structure is 310 ft (94.5 m) long with a longest span of 84 ft (25.6 m) and a deck 33 ft wide.

Who owns S 75 Nc over I 64?

It is owned by the State Highway Agency.