US Bridges

KY-9 over Grassy Creek

Fair

Carter County, Kentucky · 3.6 Mi.Nw JCT Ky 2 & 7 · Structure no. 022B00150N

Built
1991
34 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
103 ft
1 main span
Daily traffic
2,082
2022 count
Owner
State
State Highway Agency

About this bridge

KY-9 over Grassy Creek is a prestressed concrete stringer/multi-beam or girder carrying KY-9 over Grassy Creek in Carter County, Kentucky. It was built in 1991, so it is 34 years old, younger 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 2,082 vehicles a day, roughly 26% of them trucks, projected to reach 2,082 by 2042. The structure is 103 ft (31.5 m) long and 48 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesKY-9
CrossesGrassy Creek
Location3.6 Mi.Nw JCT Ky 2 & 7
RouteState Highway 9
CountyCarter County
StateKentucky
Coordinates38.47111, -83.13361
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.5 US tons
Inventory rating56.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length103 ft (31.5 m)
Longest span99 ft (30.3 m)
Deck width48 ft (14.5 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,082 (2022)
Projected traffic2,082 by 2042
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-9 over Grassy Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is KY-9 over Grassy 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 2024.

How much traffic does KY-9 over Grassy Creek carry?

About 2,082 vehicles per day (2022 count), of which roughly 26% are trucks.

How long is KY-9 over Grassy Creek?

The structure is 103 ft (31.5 m) long with a longest span of 99 ft (30.3 m) and a deck 48 ft wide.

Who owns KY-9 over Grassy Creek?

It is owned by the State Highway Agency.