US Bridges

Ky 3209 over Balls Fork

Good

Knott County, Kentucky · 0.3 NW of JCT Ky 80 · Structure no. 060B00082N

Built
2021
4 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
122 ft
1 main span
Daily traffic
314
2022 count
Owner
State
State Highway Agency

About this bridge

Ky 3209 over Balls Fork is a prestressed concrete stringer/multi-beam or girder carrying Ky 3209 over Balls Fork in Knott County, Kentucky. It was built in 2021, so it is 4 years old, younger than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 314 vehicles a day, projected to reach 314 by 2042. The structure is 122 ft (37.1 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesKy 3209
CrossesBalls Fork
Location0.3 NW of JCT Ky 80
RouteState Highway 3209
CountyKnott County
StateKentucky
Coordinates37.37306, -83.09556
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating74.3 US tons
Inventory rating57.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length122 ft (37.1 m)
Longest span118 ft (36.1 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic314 (2022)
Projected traffic314 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 3209 over Balls Fork built?

It was built in 2021, making it 4 years old in 2025.

What condition is Ky 3209 over Balls Fork in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does Ky 3209 over Balls Fork carry?

About 314 vehicles per day (2022 count).

How long is Ky 3209 over Balls Fork?

The structure is 122 ft (37.1 m) long with a longest span of 118 ft (36.1 m) and a deck 23 ft wide.

Who owns Ky 3209 over Balls Fork?

It is owned by the State Highway Agency.