US Bridges

KY-645 Nc over CSX Rr/Levisa Fork

Fair

Lawrence County, Kentucky · 1.6 MI E of JCT US 23 · Structure no. 064B00062L

Built
1981
44 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
747 ft
2 main spans
Daily traffic
1,855
2019 count
Owner
State
State Highway Agency

About this bridge

KY-645 Nc over CSX Rr/Levisa Fork is a steel continuous stringer/multi-beam or girder carrying KY-645 Nc over CSX Rr/Levisa Fork in Lawrence County, Kentucky. It was built in 1981, so it is 44 years old, younger than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,855 vehicles a day, roughly 9% of them trucks, projected to reach 1,855 by 2039. The structure is 747 ft (227.7 m) long and 43 ft wide.

CarriesKY-645 Nc
CrossesCSX Rr/Levisa Fork
Location1.6 MI E of JCT US 23
RouteState Highway 645
Coordinates37.93889, -82.64639
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.5 US tons
Inventory rating50.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+4 approach)
Design loadHS 20
Structure length747 ft (227.7 m)
Longest span205 ft (62.5 m)
Deck width43 ft (13 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,855 (2019)
Projected traffic1,855 by 2039
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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-645 Nc over CSX Rr/Levisa Fork built?

It was built in 1981, making it 44 years old in 2025.

What condition is KY-645 Nc over CSX Rr/Levisa Fork in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.

How much traffic does KY-645 Nc over CSX Rr/Levisa Fork carry?

About 1,855 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is KY-645 Nc over CSX Rr/Levisa Fork?

The structure is 747 ft (227.7 m) long with a longest span of 205 ft (62.5 m) and a deck 43 ft wide.

Who owns KY-645 Nc over CSX Rr/Levisa Fork?

It is owned by the State Highway Agency.