US Bridges

Sly Branch over Right Frk Beaver Crk

Good

Knott County, Kentucky · E @ JCT Ky 7 · Structure no. 060C00087N

Built
2020
5 years old
Condition
Good
inspected June 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
56 ft
1 main span
Daily traffic
60
2010 count
Owner
County
County Highway Agency

About this bridge

Sly Branch over Right Frk Beaver Crk is a prestressed concrete box beam or girders - multiple carrying Sly Branch over Right Frk Beaver Crk in Knott County, Kentucky. It was built in 2020, so it is 5 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 60 vehicles a day, projected to reach 60 by 2030. The structure is 56 ft (17.1 m) long and 12 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesSly Branch
CrossesRight Frk Beaver Crk
LocationE @ JCT Ky 7
RouteCounty Highway 1408
CountyKnott County
StateKentucky
Coordinates37.39, -82.78389
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 alignment6: Equal to present minimum criteria
Operating rating71.1 US tons
Inventory rating54.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length56 ft (17.1 m)
Longest span54 ft (16.6 m)
Deck width12 ft (3.7 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2010)
Projected traffic60 by 2030
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Sly Branch over Right Frk Beaver Crk built?

It was built in 2020, making it 5 years old in 2025.

What condition is Sly Branch over Right Frk 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 June 2022.

How much traffic does Sly Branch over Right Frk Beaver Crk carry?

About 60 vehicles per day (2010 count).

How long is Sly Branch over Right Frk Beaver Crk?

The structure is 56 ft (17.1 m) long with a longest span of 54 ft (16.6 m) and a deck 12 ft wide.

Who owns Sly Branch over Right Frk Beaver Crk?

It is owned by the County Highway Agency.