US Bridges

Truman Slone Drive over Mill Creek

Good

Knott County, Kentucky · At JCT of Ky 3392 · Structure no. 060C00125N

Built
2024
1 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
25 ft
1 main span
Daily traffic
10
2024 count
Owner
County
County Highway Agency

About this bridge

Truman Slone Drive over Mill Creek is a prestressed concrete box beam or girders - multiple carrying Truman Slone Drive over Mill Creek in Knott County, Kentucky. It was built in 2024, so it is 1 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 10 vehicles a day, projected to reach 12 by 2044. The structure is 25 ft (7.6 m) long and 12 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesTruman Slone Drive
CrossesMill Creek
LocationAt JCT of Ky 3392
RouteCounty Highway 1459
CountyKnott County
StateKentucky
Coordinates37.30583, -83.03111
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
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.2 US tons
Inventory rating41.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length25 ft (7.6 m)
Longest span24 ft (7.2 m)
Deck width12 ft (3.7 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2024)
Projected traffic12 by 2044
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Truman Slone Drive over Mill Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is Truman Slone Drive over Mill 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 Truman Slone Drive over Mill Creek carry?

About 10 vehicles per day (2024 count).

How long is Truman Slone Drive over Mill Creek?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.2 m) and a deck 12 ft wide.

Who owns Truman Slone Drive over Mill Creek?

It is owned by the County Highway Agency.