US Bridges

KY-1678 over Green Creek

FairPosted for load

Bourbon County, Kentucky · .25 MI N of JCT Ky 57 · Structure no. 009B00046N

Built
1973
52 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
1,701
2021 count
Owner
State
State Highway Agency

About this bridge

KY-1678 over Green Creek is a prestressed concrete box beam or girders - multiple carrying KY-1678 over Green Creek in Bourbon County, Kentucky. It was built in 1973, so it is 52 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. Its operating status is: posted for load restriction.

It carries about 1,701 vehicles a day, projected to reach 1,701 by 2041. The structure is 30 ft (9.1 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesKY-1678
CrossesGreen Creek
Location.25 MI N of JCT Ky 57
RouteState Highway 1678
CountyBourbon County
StateKentucky
Coordinates38.08944, -84.26833
Functional classRural Major 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.6 US tons
Inventory rating35.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length30 ft (9.1 m)
Longest span27 ft (8.2 m)
Deck width27 ft (8.3 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,701 (2021)
Projected traffic1,701 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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-1678 over Green Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is KY-1678 over Green 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 February 2024.

How much traffic does KY-1678 over Green Creek carry?

About 1,701 vehicles per day (2021 count).

How long is KY-1678 over Green Creek?

The structure is 30 ft (9.1 m) long with a longest span of 27 ft (8.2 m) and a deck 27 ft wide.

Who owns KY-1678 over Green Creek?

It is owned by the State Highway Agency.