US Bridges

KY-55 over LN 9008

Good

Adair County, Kentucky · 0.481 Mi. S. of JCT Ky 61 · Structure no. 001B00085N

Built
2008
17 years old
Condition
Good
inspected July 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
227 ft
2 main spans
Daily traffic
1,931
2023 count
Owner
State
State Highway Agency

About this bridge

KY-55 over LN 9008 is a prestressed concrete continuous stringer/multi-beam or girder carrying KY-55 over LN 9008 in Adair County, Kentucky. It was built in 2008, so it is 17 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 1,931 vehicles a day, roughly 17% of them trucks, projected to reach 1,931 by 2043. The structure is 227 ft (69.3 m) long and 51 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesKY-55
CrossesLN 9008
Location0.481 Mi. S. of JCT Ky 61
RouteState Highway 55
CountyAdair County
StateKentucky
Coordinates37.08444, -85.31222
Functional classUrban Other Principal Arterial

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.
Last inspectionJuly 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating66.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length227 ft (69.3 m)
Longest span112 ft (34.1 m)
Deck width51 ft (15.5 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,931 (2023)
Projected traffic1,931 by 2043
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was KY-55 over LN 9008 built?

It was built in 2008, making it 17 years old in 2025.

What condition is KY-55 over LN 9008 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 July 2021.

How much traffic does KY-55 over LN 9008 carry?

About 1,931 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is KY-55 over LN 9008?

The structure is 227 ft (69.3 m) long with a longest span of 112 ft (34.1 m) and a deck 51 ft wide.

Who owns KY-55 over LN 9008?

It is owned by the State Highway Agency.