US Bridges

Polk LN over Tributary of Tar Fork

FairPosted for load

Breckinridge County, Kentucky · 1.1 MI S of JCT US 60 · Structure no. 014C00043N

Built
1977
48 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
22 ft
2 main spans
Daily traffic
30
2011 count
Owner
County
County Highway Agency

About this bridge

Polk LN over Tributary of Tar Fork is a steel stringer/multi-beam or girder carrying Polk LN over Tributary of Tar Fork in Breckinridge County, Kentucky. It was built in 1977, so it is 48 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. Its operating status is: posted for load restriction.

It carries about 30 vehicles a day, projected to reach 30 by 2031. The structure is 22 ft (6.7 m) long and 12 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesPolk LN
CrossesTributary of Tar Fork
Location1.1 MI S of JCT US 60
RouteCounty Highway 1717
CountyBreckinridge County
StateKentucky
Coordinates37.82083, -86.63444
Functional classRural Local

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.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating54.6 US tons
Inventory rating32.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span16 ft (4.9 m)
Deck width12 ft (3.7 m)
Roadway width11 ft (3.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2011)
Projected traffic30 by 2031
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$38,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Polk LN over Tributary of Tar Fork built?

It was built in 1977, making it 48 years old in 2025.

What condition is Polk LN over Tributary of Tar Fork 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 April 2023.

How much traffic does Polk LN over Tributary of Tar Fork carry?

About 30 vehicles per day (2011 count).

How long is Polk LN over Tributary of Tar Fork?

The structure is 22 ft (6.7 m) long with a longest span of 16 ft (4.9 m) and a deck 12 ft wide.

Who owns Polk LN over Tributary of Tar Fork?

It is owned by the County Highway Agency.