US Bridges

I-71 over Mccoys Fork

Fair

Boone County, Kentucky · 1.5 MI N.E. of Ky 14 Ntrc · Structure no. 008B00043N

Built
1967
58 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
34 ft
1 main span
Daily traffic
41,704
2023 count
Owner
State
State Highway Agency

About this bridge

I-71 over Mccoys Fork is a concrete culvert carrying I-71 over Mccoys Fork in Boone County, Kentucky. It was built in 1967, so it is 58 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 41,704 vehicles a day, roughly 34% of them trucks, projected to reach 51,712 by 2043. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesI-71
CrossesMccoys Fork
Location1.5 MI N.E. of Ky 14 Ntrc
RouteInterstate 71
CountyBoone County
StateKentucky
Coordinates38.84833, -84.66722
Functional classRural 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 inspectionJune 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span30 ft (9.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,704 (2023)
Projected traffic51,712 by 2043
Trucks34%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 over Mccoys Fork built?

It was built in 1967, making it 58 years old in 2025.

What condition is I-71 over Mccoys 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 June 2023.

How much traffic does I-71 over Mccoys Fork carry?

About 41,704 vehicles per day (2023 count), of which roughly 34% are trucks.

How long is I-71 over Mccoys Fork?

The structure is 34 ft (10.4 m) long with a longest span of 30 ft (9.1 m).

Who owns I-71 over Mccoys Fork?

It is owned by the State Highway Agency.