US Bridges

KY-70 over Hamlin Branch

Fair

Casey County, Kentucky · .95 Mi. East of JCTKY1649 · Structure no. 023B00078N

Built
1989
36 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
1,490
2023 count
Owner
State
State Highway Agency

About this bridge

KY-70 over Hamlin Branch is a concrete culvert carrying KY-70 over Hamlin Branch in Casey County, Kentucky. It was built in 1989, so it is 36 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 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 1,490 vehicles a day, roughly 9% of them trucks, projected to reach 1,490 by 2043. The structure is 21 ft (6.3 m) long and 48 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

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CarriesKY-70
CrossesHamlin Branch
Location.95 Mi. East of JCTKY1649
RouteState Highway 70
CountyCasey County
StateKentucky
Coordinates37.32278, -84.91
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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width48 ft (14.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,490 (2023)
Projected traffic1,490 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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-70 over Hamlin Branch built?

It was built in 1989, making it 36 years old in 2025.

What condition is KY-70 over Hamlin 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-70 over Hamlin Branch carry?

About 1,490 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is KY-70 over Hamlin Branch?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m) and a deck 48 ft wide.

Who owns KY-70 over Hamlin Branch?

It is owned by the State Highway Agency.