US Bridges

Dismal Branch Road over Jones Fork

Good

Knott County, Kentucky · 250 E of JCT Ky 550 · Structure no. 060C00094N

Built
2022
3 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
47 ft
1 main span
Daily traffic
70
2010 count
Owner
County
County Highway Agency

About this bridge

Dismal Branch Road over Jones Fork is a prestressed concrete box beam or girders - multiple carrying Dismal Branch Road over Jones Fork in Knott County, Kentucky. It was built in 2022, so it is 3 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 70 vehicles a day, projected to reach 70 by 2030. The structure is 47 ft (14.3 m) long and 12 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesDismal Branch Road
CrossesJones Fork
Location250 E of JCT Ky 550
RouteCounty Highway 1020
CountyKnott County
StateKentucky
Coordinates37.39167, -82.87806
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating64.6 US tons
Inventory rating49.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length47 ft (14.3 m)
Longest span46 ft (13.9 m)
Deck width12 ft (3.7 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2010)
Projected traffic70 by 2030
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Dismal Branch Road over Jones Fork built?

It was built in 2022, making it 3 years old in 2025.

What condition is Dismal Branch Road over Jones Fork 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 2024.

How much traffic does Dismal Branch Road over Jones Fork carry?

About 70 vehicles per day (2010 count).

How long is Dismal Branch Road over Jones Fork?

The structure is 47 ft (14.3 m) long with a longest span of 46 ft (13.9 m) and a deck 12 ft wide.

Who owns Dismal Branch Road over Jones Fork?

It is owned by the County Highway Agency.