US Bridges

KY-3680 over Left Fk.-Beaver Creek

PoorPosted for load

Floyd County, Kentucky · 50 East. Ky 122@ Mcdowel · Structure no. 036B00100N

Built
1979
46 years old
Condition
Poor
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
112 ft
3 main spans
Daily traffic
2,182
2022 count
Owner
State
State Highway Agency

About this bridge

KY-3680 over Left Fk.-Beaver Creek is a prestressed concrete box beam or girders - multiple carrying KY-3680 over Left Fk.-Beaver Creek in Floyd County, Kentucky. It was built in 1979, so it is 46 years old, younger than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 2,182 vehicles a day, roughly 8% of them trucks, projected to reach 2,182 by 2042. The structure is 112 ft (34.1 m) long and 25 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

CarriesKY-3680
CrossesLeft Fk.-Beaver Creek
Location50 East. Ky 122@ Mcdowel
RouteState Highway 3680
Coordinates37.45639, -82.74028
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43.8 US tons
Inventory rating26.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length112 ft (34.1 m)
Longest span35 ft (10.7 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,182 (2022)
Projected traffic2,182 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$411,000
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-3680 over Left Fk.-Beaver Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is KY-3680 over Left Fk.-Beaver Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does KY-3680 over Left Fk.-Beaver Creek carry?

About 2,182 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is KY-3680 over Left Fk.-Beaver Creek?

The structure is 112 ft (34.1 m) long with a longest span of 35 ft (10.7 m) and a deck 25 ft wide.

Who owns KY-3680 over Left Fk.-Beaver Creek?

It is owned by the State Highway Agency.