US Bridges

KY-3392 over Troublesome Crk @ Carrie

Good

Knott County, Kentucky · Lower Mill Creek RD · Structure no. 060B00078N

Built
2007
18 years old
Condition
Good
inspected June 2021
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
108 ft
3 main spans
Daily traffic
464
2021 count
Owner
State
State Highway Agency

About this bridge

KY-3392 over Troublesome Crk @ Carrie is a prestressed concrete continuous box beam or girders - single or spread carrying KY-3392 over Troublesome Crk @ Carrie in Knott County, Kentucky. It was built in 2007, so it is 18 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 464 vehicles a day, projected to reach 464 by 2041. The structure is 108 ft (32.9 m) long and 27 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesKY-3392
CrossesTroublesome Crk @ Carrie
LocationLower Mill Creek RD
RouteState Highway 3392
CountyKnott County
StateKentucky
Coordinates37.33111, -83.03361
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2021
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating102.6 US tons
Inventory rating62.2 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length108 ft (32.9 m)
Longest span50 ft (15.2 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic464 (2021)
Projected traffic464 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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-3392 over Troublesome Crk @ Carrie built?

It was built in 2007, making it 18 years old in 2025.

What condition is KY-3392 over Troublesome Crk @ Carrie 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 2021.

How much traffic does KY-3392 over Troublesome Crk @ Carrie carry?

About 464 vehicles per day (2021 count).

How long is KY-3392 over Troublesome Crk @ Carrie?

The structure is 108 ft (32.9 m) long with a longest span of 50 ft (15.2 m) and a deck 27 ft wide.

Who owns KY-3392 over Troublesome Crk @ Carrie?

It is owned by the State Highway Agency.