US Bridges

I-71 NB over N Fork Currys Fork

Fair

Oldham County, Kentucky · 0.45 MI N of Ky 146 · Structure no. 093B00039N

Built
1968
57 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
41 ft
2 main spans
Daily traffic
64,158
2019 count
Owner
State
State Highway Agency

About this bridge

I-71 NB over N Fork Currys Fork is a concrete culvert carrying I-71 NB over N Fork Currys Fork in Oldham County, Kentucky. It was built in 1968, so it is 57 years old, older than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 64,158 vehicles a day, roughly 27% of them trucks, projected to reach 70,573 by 2039. The structure is 41 ft (12.4 m) long and 230 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesI-71 NB
CrossesN Fork Currys Fork
Location0.45 MI N of Ky 146
RouteInterstate 71
CountyOldham County
StateKentucky
Coordinates38.37167, -85.43667
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating44 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length41 ft (12.4 m)
Longest span20 ft (6 m)
Deck width230 ft (70.1 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic64,158 (2019)
Projected traffic70,573 by 2039
Trucks27%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-71 NB over N Fork Currys Fork built?

It was built in 1968, making it 57 years old in 2025.

What condition is I-71 NB over N Fork Currys Fork in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does I-71 NB over N Fork Currys Fork carry?

About 64,158 vehicles per day (2019 count), of which roughly 27% are trucks.

How long is I-71 NB over N Fork Currys Fork?

The structure is 41 ft (12.4 m) long with a longest span of 20 ft (6 m) and a deck 230 ft wide.

Who owns I-71 NB over N Fork Currys Fork?

It is owned by the State Highway Agency.