US Bridges

I-71 over Green Bottom Road

Fair

Carroll County, Kentucky · .30 MI Sou. of Ky Rvr Br · Structure no. 021B00040N

Built
1967
58 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
41,258
2023 count
Owner
State
State Highway Agency

About this bridge

I-71 over Green Bottom Road is a concrete culvert carrying I-71 over Green Bottom Road in Carroll 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 41,258 vehicles a day, roughly 17% of them trucks, projected to reach 51,159 by 2043. The structure is 20 ft (6.2 m) long and 150 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesI-71
CrossesGreen Bottom Road
Location.30 MI Sou. of Ky Rvr Br
RouteInterstate 71
CountyCarroll County
StateKentucky
Coordinates38.63806, -85.1275
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
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating94.5 US tons
Inventory rating56.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length20 ft (6.2 m)
Longest span20 ft (6.2 m)
Deck width150 ft (45.7 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,258 (2023)
Projected traffic51,159 by 2043
Trucks17%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.7 mi (14 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$57,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-71 over Green Bottom Road built?

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

What condition is I-71 over Green Bottom Road 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 November 2024.

How much traffic does I-71 over Green Bottom Road carry?

About 41,258 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is I-71 over Green Bottom Road?

The structure is 20 ft (6.2 m) long with a longest span of 20 ft (6.2 m) and a deck 150 ft wide.

Who owns I-71 over Green Bottom Road?

It is owned by the State Highway Agency.