US Bridges

KY-80 over Big Creek Nr Gradyville

Fair

Adair County, Kentucky · 2.4 MI East of JCT Ky 768 · Structure no. 001B00022N

Built
1935
90 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete
Length
165 ft
5 main spans
Daily traffic
836
2022 count
Owner
State
State Highway Agency

About this bridge

KY-80 over Big Creek Nr Gradyville is a concrete tee beam carrying KY-80 over Big Creek Nr Gradyville 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 5 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 836 vehicles a day, roughly 9% of them trucks, projected to reach 836 by 2042. The structure is 165 ft (50.3 m) long and 27 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

CarriesKY-80
CrossesBig Creek Nr Gradyville
Location2.4 MI East of JCT Ky 768
RouteState Highway 80
Coordinates37.05889, -85.43028
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating74.6 US tons
Inventory rating44.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length165 ft (50.3 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 Big Creek Nr Gradyville built?

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

What condition is KY-80 over Big Creek Nr Gradyville 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 July 2023.

How much traffic does KY-80 over Big Creek Nr Gradyville carry?

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

How long is KY-80 over Big Creek Nr Gradyville?

The structure is 165 ft (50.3 m) long with a longest span of 30 ft (9.1 m) and a deck 27 ft wide.

Who owns KY-80 over Big Creek Nr Gradyville?

It is owned by the State Highway Agency.