US Bridges

Boone Br RD over Three Prong Brushy

Good

Greenup County, Kentucky · 10 South JCT Ky 784 · Structure no. 045C00092N

Built
1994
31 years old
Condition
Good
inspected February 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
91
2019 count
Owner
County
County Highway Agency

About this bridge

Boone Br RD over Three Prong Brushy is a prestressed concrete box beam or girders - multiple carrying Boone Br RD over Three Prong Brushy in Greenup County, Kentucky. It was built in 1994, so it is 31 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 91 vehicles a day, projected to reach 91 by 2039. The structure is 34 ft (10.4 m) long and 24 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesBoone Br RD
CrossesThree Prong Brushy
Location10 South JCT Ky 784
RouteCounty Highway 1313
Coordinates38.5, -83.10667
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating70.3 US tons
Inventory rating42.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length34 ft (10.4 m)
Longest span31 ft (9.3 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic91 (2019)
Projected traffic91 by 2039
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Boone Br RD over Three Prong Brushy built?

It was built in 1994, making it 31 years old in 2025.

What condition is Boone Br RD over Three Prong Brushy 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 February 2023.

How much traffic does Boone Br RD over Three Prong Brushy carry?

About 91 vehicles per day (2019 count).

How long is Boone Br RD over Three Prong Brushy?

The structure is 34 ft (10.4 m) long with a longest span of 31 ft (9.3 m) and a deck 24 ft wide.

Who owns Boone Br RD over Three Prong Brushy?

It is owned by the County Highway Agency.