US Bridges

KY-3459 over Martins Fk Cumberland R

Good

Harlan County, Kentucky · W.@ JCT US 421 · Structure no. 048B00141N

Built
1978
47 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
258 ft
4 main spans
Daily traffic
955
2023 count
Owner
State
State Highway Agency

About this bridge

KY-3459 over Martins Fk Cumberland R is a prestressed concrete continuous stringer/multi-beam or girder carrying KY-3459 over Martins Fk Cumberland R in Harlan County, Kentucky. It was built in 1978, so it is 47 years old, older 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 955 vehicles a day, projected to reach 955 by 2043. The structure is 258 ft (78.6 m) long and 36 ft wide.

Location

Open in Google Maps
CarriesKY-3459
CrossesMartins Fk Cumberland R
LocationW.@ JCT US 421
RouteState Highway 3459
CountyHarlan County
StateKentucky
Coordinates36.84111, -83.32583
Functional classUrban 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 inspectionJuly 2023
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating110 US tons
Inventory rating78.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length258 ft (78.6 m)
Longest span93 ft (28.3 m)
Deck width36 ft (11 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic955 (2023)
Projected traffic955 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-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-3459 over Martins Fk Cumberland R built?

It was built in 1978, making it 47 years old in 2025.

What condition is KY-3459 over Martins Fk Cumberland R 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 2023.

How much traffic does KY-3459 over Martins Fk Cumberland R carry?

About 955 vehicles per day (2023 count).

How long is KY-3459 over Martins Fk Cumberland R?

The structure is 258 ft (78.6 m) long with a longest span of 93 ft (28.3 m) and a deck 36 ft wide.

Who owns KY-3459 over Martins Fk Cumberland R?

It is owned by the State Highway Agency.