US Bridges

KY-3680 over Drift Rd/Lfrk Beaver Crk

Good

Floyd County, Kentucky · Ky 122 at Minnie · Structure no. 036B00157N

Built
2013
12 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
2,960 ft
24 main spans
Daily traffic
576
2022 count
Owner
State
State Highway Agency

About this bridge

KY-3680 over Drift Rd/Lfrk Beaver Crk is a prestressed concrete stringer/multi-beam or girder carrying KY-3680 over Drift Rd/Lfrk Beaver Crk in Floyd County, Kentucky. It was built in 2013, so it is 12 years old, younger than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 576 vehicles a day, projected to reach 576 by 2042. The structure is 2,960 ft (902.2 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesKY-3680
CrossesDrift Rd/Lfrk Beaver Crk
LocationKy 122 at Minnie
RouteState Highway 680
CountyFloyd County
StateKentucky
Coordinates37.47528, -82.7475
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 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
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.2 US tons
Inventory rating21.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans24
Design loadGreater than HL 93
Structure length2,960 ft (902.2 m)
Longest span149 ft (45.4 m)
Deck width47 ft (14.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic576 (2022)
Projected traffic576 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.2 mi (2 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-3680 over Drift Rd/Lfrk Beaver Crk built?

It was built in 2013, making it 12 years old in 2025.

What condition is KY-3680 over Drift Rd/Lfrk Beaver Crk in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does KY-3680 over Drift Rd/Lfrk Beaver Crk carry?

About 576 vehicles per day (2022 count).

How long is KY-3680 over Drift Rd/Lfrk Beaver Crk?

The structure is 2,960 ft (902.2 m) long with a longest span of 149 ft (45.4 m) and a deck 47 ft wide.

Who owns KY-3680 over Drift Rd/Lfrk Beaver Crk?

It is owned by the State Highway Agency.