US Bridges

Frogtown Road over Troublesome Creek

Good

Knott County, Kentucky · 0.01 M S of JCT KY-160 · Structure no. 060C00104N

Built
2023
2 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
323
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Frogtown Road over Troublesome Creek is a prestressed concrete box beam or girders - multiple carrying Frogtown Road over Troublesome Creek in Knott County, Kentucky. It was built in 2023, so it is 2 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 323 vehicles a day, projected to reach 394 by 2044. The structure is 48 ft (14.5 m) long and 16 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesFrogtown Road
CrossesTroublesome Creek
Location0.01 M S of JCT KY-160
RouteCity Street 1018
Coordinates37.33361, -82.9725
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating58.5 US tons
Inventory rating45.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length48 ft (14.5 m)
Longest span46 ft (14 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic323 (2024)
Projected traffic394 by 2044
Trucks—
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Frogtown Road over Troublesome Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is Frogtown Road over Troublesome Creek 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 Frogtown Road over Troublesome Creek carry?

About 323 vehicles per day (2024 count).

How long is Frogtown Road over Troublesome Creek?

The structure is 48 ft (14.5 m) long with a longest span of 46 ft (14 m) and a deck 16 ft wide.

Who owns Frogtown Road over Troublesome Creek?

It is owned by the City or Municipal Highway Agency.