US Bridges

Ky 3115 over Marrowbone Creek

Good

Cumberland County, Kentucky · 0.516 Mi. S. of JCT Ky 90 · Structure no. 029B00061N

Built
2007
18 years old
Condition
Good
inspected March 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
303 ft
3 main spans
Daily traffic
179
2023 count
Owner
State
State Highway Agency

About this bridge

Ky 3115 over Marrowbone Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Ky 3115 over Marrowbone Creek in Cumberland County, Kentucky. It was built in 2007, so it is 18 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 179 vehicles a day, projected to reach 179 by 2043. The structure is 303 ft (92.4 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesKy 3115
CrossesMarrowbone Creek
Location0.516 Mi. S. of JCT Ky 90
RouteState Highway 3115
CountyCumberland County
StateKentucky
Coordinates36.82472, -85.51
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating109.3 US tons
Inventory rating65.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length303 ft (92.4 m)
Longest span100 ft (30.5 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic179 (2023)
Projected traffic179 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 3115 over Marrowbone Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Ky 3115 over Marrowbone Creek 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 March 2022.

How much traffic does Ky 3115 over Marrowbone Creek carry?

About 179 vehicles per day (2023 count).

How long is Ky 3115 over Marrowbone Creek?

The structure is 303 ft (92.4 m) long with a longest span of 100 ft (30.5 m) and a deck 29 ft wide.

Who owns Ky 3115 over Marrowbone Creek?

It is owned by the State Highway Agency.