US Bridges

Ky 12 over Parks Branch Flat Creek

Fair

Franklin County, Kentucky · 4.1 MI E of US 421 · Structure no. 037B00042N

Built
1972
53 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
212
2021 count
Owner
State
State Highway Agency

About this bridge

Ky 12 over Parks Branch Flat Creek is a prestressed concrete box beam or girders - multiple carrying Ky 12 over Parks Branch Flat Creek in Franklin County, Kentucky. It was built in 1972, so it is 53 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 5 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 212 vehicles a day, projected to reach 212 by 2041. The structure is 26 ft (7.9 m) long and 24 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesKy 12
CrossesParks Branch Flat Creek
Location4.1 MI E of US 421
RouteState Highway 12
Coordinates38.29444, -84.895
Functional classRural Minor Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating85.4 US tons
Inventory rating51.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic212 (2021)
Projected traffic212 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 12 over Parks Branch Flat Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is Ky 12 over Parks Branch Flat Creek 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 July 2024.

How much traffic does Ky 12 over Parks Branch Flat Creek carry?

About 212 vehicles per day (2021 count).

How long is Ky 12 over Parks Branch Flat Creek?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 24 ft wide.

Who owns Ky 12 over Parks Branch Flat Creek?

It is owned by the State Highway Agency.