US Bridges

HWY 55 over LN-9008

Fair

Adair County, Kentucky · Ovr Cmbrlnd Pw Interchang · Structure no. 001B00053N

Built
1972
53 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete Continuous
Length
200 ft
2 main spans
Daily traffic
9,532
2021 count
Owner
State
State Highway Agency

About this bridge

HWY 55 over LN-9008 is a concrete continuous tee beam carrying HWY 55 over LN-9008 in Adair County, Kentucky. It was built in 1972, so it is 53 years old, older 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 6 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 9,532 vehicles a day, roughly 15% of them trucks, projected to reach 9,532 by 2041. The structure is 200 ft (61.1 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHWY 55
CrossesLN-9008
LocationOvr Cmbrlnd Pw Interchang
RouteState Highway 55
Coordinates37.08861, -85.30306
Functional classUrban 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.7 US tons
Inventory rating46 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2 (+1 approach)
Design loadHS 20 + Mod
Structure length200 ft (61.1 m)
Longest span77 ft (23.6 m)
Deck width53 ft (16.3 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,532 (2021)
Projected traffic9,532 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 HWY 55 over LN-9008 built?

It was built in 1972, making it 53 years old in 2025.

What condition is HWY 55 over LN-9008 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 July 2023.

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

About 9,532 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is HWY 55 over LN-9008?

The structure is 200 ft (61.1 m) long with a longest span of 77 ft (23.6 m) and a deck 53 ft wide.

Who owns HWY 55 over LN-9008?

It is owned by the State Highway Agency.