US Bridges

KY100 over Marrowbone Creek

Fair

Cumberland County, Kentucky · 0.2 Mi. Sw. of JCT Ky 90 · Structure no. 029B00060N

Built
2006
19 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
263 ft
2 main spans
Daily traffic
670
2023 count
Owner
State
State Highway Agency

About this bridge

KY100 over Marrowbone Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying KY100 over Marrowbone Creek in Cumberland County, Kentucky. It was built in 2006, so it is 19 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 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 670 vehicles a day, projected to reach 670 by 2043. The structure is 263 ft (80.1 m) long and 33 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

Open in Google Maps
CarriesKY100
CrossesMarrowbone Creek
Location0.2 Mi. Sw. of JCT Ky 90
RouteState Highway 100
CountyCumberland County
StateKentucky
Coordinates36.815, -85.45917
Functional classRural Minor Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating105.1 US tons
Inventory rating63.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length263 ft (80.1 m)
Longest span130 ft (39.6 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic670 (2023)
Projected traffic670 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 KY100 over Marrowbone Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is KY100 over Marrowbone Creek 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 March 2024.

How much traffic does KY100 over Marrowbone Creek carry?

About 670 vehicles per day (2023 count).

How long is KY100 over Marrowbone Creek?

The structure is 263 ft (80.1 m) long with a longest span of 130 ft (39.6 m) and a deck 33 ft wide.

Who owns KY100 over Marrowbone Creek?

It is owned by the State Highway Agency.