US Bridges

Walnut Lick RD over Big South Fork

Fair

Gallatin County, Kentucky · 1 MI NW of JCT Ky 16 · Structure no. 039C00005N

Built
1925
100 years old, rebuilt 1972
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
198
2009 count
Owner
County
County Highway Agency

About this bridge

Walnut Lick RD over Big South Fork is a prestressed concrete box beam or girders - multiple carrying Walnut Lick RD over Big South Fork in Gallatin County, Kentucky. It was built in 1925 and reconstructed in 1972, so it is 100 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 198 vehicles a day, projected to reach 198 by 2029. The structure is 40 ft (12.2 m) long and 15 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesWalnut Lick RD
CrossesBig South Fork
Location1 MI NW of JCT Ky 16
RouteCounty Highway 1004
CountyGallatin County
StateKentucky
Coordinates38.79639, -84.7175
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.
Substructure7 GoodSome minor problems.
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 statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating72.5 US tons
Inventory rating43.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span34 ft (10.4 m)
Deck width15 ft (4.6 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic198 (2009)
Projected traffic198 by 2029
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$66,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Walnut Lick RD over Big South Fork built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1972.

What condition is Walnut Lick RD over Big South 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 Walnut Lick RD over Big South Fork carry?

About 198 vehicles per day (2009 count).

How long is Walnut Lick RD over Big South Fork?

The structure is 40 ft (12.2 m) long with a longest span of 34 ft (10.4 m) and a deck 15 ft wide.

Who owns Walnut Lick RD over Big South Fork?

It is owned by the County Highway Agency.