US Bridges

Flag Fork RD over Trib to Little Flat Crk

FairPosted for load

Franklin County, Kentucky · 400 Ft W of US 421 · Structure no. 037C00037N

Built
1991
34 years old
Condition
Fair
inspected May 2024
Type
Slab
Wood or Timber
Length
26 ft
1 main span
Daily traffic
180
2006 count
Owner
County
County Highway Agency

About this bridge

Flag Fork RD over Trib to Little Flat Crk is a wood or timber slab carrying Flag Fork RD over Trib to Little Flat Crk in Franklin County, Kentucky. It was built in 1991, so it is 34 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 5 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 180 vehicles a day, projected to reach 226 by 2026. The structure is 26 ft (7.9 m) long and 19 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFlag Fork RD
CrossesTrib to Little Flat Crk
Location400 Ft W of US 421
RouteCounty Highway 1305
Coordinates38.32194, -84.95
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.8 US tons
Inventory rating32.3 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span23 ft (7 m)
Deck width19 ft (5.9 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2006)
Projected traffic226 by 2026
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$63,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Flag Fork RD over Trib to Little Flat Crk built?

It was built in 1991, making it 34 years old in 2025.

What condition is Flag Fork RD over Trib to Little Flat Crk 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 May 2024.

How much traffic does Flag Fork RD over Trib to Little Flat Crk carry?

About 180 vehicles per day (2006 count).

How long is Flag Fork RD over Trib to Little Flat Crk?

The structure is 26 ft (7.9 m) long with a longest span of 23 ft (7 m) and a deck 19 ft wide.

Who owns Flag Fork RD over Trib to Little Flat Crk?

It is owned by the County Highway Agency.