US Bridges

KY-1 over Robin Run

FairPosted for load

Carter County, Kentucky · 1.0 MI Nor of JCT Ky 773 · Structure no. 022B00005N

Built
1929
96 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
3,587
2021 count
Owner
State
State Highway Agency

About this bridge

KY-1 over Robin Run is a concrete culvert carrying KY-1 over Robin Run in Carter County, Kentucky. It was built in 1929, so it is 96 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 3,587 vehicles a day, roughly 8% of them trucks, projected to reach 3,587 by 2041. The structure is 24 ft (7.3 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesKY-1
CrossesRobin Run
Location1.0 MI Nor of JCT Ky 773
RouteState Highway 1
CountyCarter County
StateKentucky
Coordinates38.29611, -82.92361
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 inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31 US tons
Inventory rating20 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span11 ft (3.5 m)
Deck width43 ft (13 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,587 (2021)
Projected traffic3,587 by 2041
Trucks8%
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

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-1 over Robin Run built?

It was built in 1929, making it 96 years old in 2025.

What condition is KY-1 over Robin Run 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 April 2024.

How much traffic does KY-1 over Robin Run carry?

About 3,587 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is KY-1 over Robin Run?

The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.5 m) and a deck 43 ft wide.

Who owns KY-1 over Robin Run?

It is owned by the State Highway Agency.