US Bridges

KY-78 over Coulters Branch

Fair

Casey County, Kentucky · .10 MI West of JCT Ky 243 · Structure no. 023B00039N

Built
1935
90 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
533
2023 count
Owner
State
State Highway Agency

About this bridge

KY-78 over Coulters Branch is a concrete culvert carrying KY-78 over Coulters Branch in Casey County, Kentucky. It was built in 1935, so it is 90 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 533 vehicles a day, roughly 9% of them trucks, projected to reach 533 by 2043. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 11.8 mi (19 km).

Location

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CarriesKY-78
CrossesCoulters Branch
Location.10 MI West of JCT Ky 243
RouteState Highway 78
CountyCasey County
StateKentucky
Coordinates37.47194, -84.96111
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.1 US tons
Inventory rating46.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length25 ft (7.6 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic533 (2023)
Projected traffic533 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-78 over Coulters Branch built?

It was built in 1935, making it 90 years old in 2025.

What condition is KY-78 over Coulters Branch 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 August 2023.

How much traffic does KY-78 over Coulters Branch carry?

About 533 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is KY-78 over Coulters Branch?

The structure is 25 ft (7.6 m) long with a longest span of 8 ft (2.4 m).

Who owns KY-78 over Coulters Branch?

It is owned by the State Highway Agency.