US Bridges

KY-80 over Fork of Big Creek

FairPosted for load

Adair County, Kentucky · 1.6 MI East of JCT Ky 768 · Structure no. 001B00023N

Built
1935
90 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Concrete
Length
33 ft
1 main span
Daily traffic
836
2022 count
Owner
State
State Highway Agency

About this bridge

KY-80 over Fork of Big Creek is a concrete tee beam carrying KY-80 over Fork of Big Creek in Adair County, Kentucky. It was built in 1935, so it is 90 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. Its operating status is: posted for load restriction.

It carries about 836 vehicles a day, roughly 9% of them trucks, projected to reach 836 by 2042. The structure is 33 ft (10.1 m) long and 27 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

Location

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CarriesKY-80
CrossesFork of Big Creek
Location1.6 MI East of JCT Ky 768
RouteState Highway 80
CountyAdair County
StateKentucky
Coordinates37.04833, -85.44694
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusPosted for load 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating38.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length33 ft (10.1 m)
Longest span30 ft (9.1 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic836 (2022)
Projected traffic836 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 km)
TollOn a free road
National Highway SystemNo

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 KY-80 over Fork of Big Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is KY-80 over Fork of Big Creek 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 October 2023.

How much traffic does KY-80 over Fork of Big Creek carry?

About 836 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is KY-80 over Fork of Big Creek?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.1 m) and a deck 27 ft wide.

Who owns KY-80 over Fork of Big Creek?

It is owned by the State Highway Agency.