US Bridges

KY-451 over N. Fork Ky River

Good

Perry County, Kentucky · 200 Ft. W of Main St. · Structure no. 097B00125N

Built
2009
16 years old
Condition
Good
inspected September 2023
Type
Truss - Thru
Steel
Length
355 ft
1 main span
Daily traffic
3,363
2021 count
Owner
State
State Highway Agency

About this bridge

KY-451 over N. Fork Ky River is a steel truss - thru carrying KY-451 over N. Fork Ky River in Perry County, Kentucky. It was built in 2009, so it is 16 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 3,363 vehicles a day, projected to reach 3,363 by 2041. The structure is 355 ft (108.1 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesKY-451
CrossesN. Fork Ky River
Location200 Ft. W of Main St.
RouteState Highway 451
Coordinates37.24694, -83.19556
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating79.4 US tons
Inventory rating47.5 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length355 ft (108.1 m)
Longest span344 ft (104.8 m)
Deck width42 ft (12.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck19 ft (5.9 m)

Traffic and service

Average daily traffic3,363 (2021)
Projected traffic3,363 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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-451 over N. Fork Ky River built?

It was built in 2009, making it 16 years old in 2025.

What condition is KY-451 over N. Fork Ky River 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 September 2023.

How much traffic does KY-451 over N. Fork Ky River carry?

About 3,363 vehicles per day (2021 count).

How long is KY-451 over N. Fork Ky River?

The structure is 355 ft (108.1 m) long with a longest span of 344 ft (104.8 m) and a deck 42 ft wide.

Who owns KY-451 over N. Fork Ky River?

It is owned by the State Highway Agency.