US Bridges

Cornfield DR over Boone Fork

Good

Letcher County, Kentucky · .1 MI N of Ky 805 · Structure no. 067C00093N

Built
2020
5 years old
Condition
Good
inspected May 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
58 ft
2 main spans
Daily traffic
366
2009 count
Owner
County
County Highway Agency

About this bridge

Cornfield DR over Boone Fork is a prestressed concrete continuous box beam or girders - multiple carrying Cornfield DR over Boone Fork in Letcher 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 366 vehicles a day, projected to reach 366 by 2029. The structure is 58 ft (17.7 m) long and 12 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesCornfield DR
CrossesBoone Fork
Location.1 MI N of Ky 805
RouteCounty Highway 1433
CountyLetcher County
StateKentucky
Coordinates37.17167, -82.72583
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 protection7 GoodSome minor problems.
Last inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating62.5 US tons
Inventory rating48.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadGreater than HL 93
Structure length58 ft (17.7 m)
Longest span30 ft (9 m)
Deck width12 ft (3.7 m)
Roadway width10 ft (3.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic366 (2009)
Projected traffic366 by 2029
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 Cornfield DR over Boone Fork built?

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

What condition is Cornfield DR over Boone 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 May 2022.

How much traffic does Cornfield DR over Boone Fork carry?

About 366 vehicles per day (2009 count).

How long is Cornfield DR over Boone Fork?

The structure is 58 ft (17.7 m) long with a longest span of 30 ft (9 m) and a deck 12 ft wide.

Who owns Cornfield DR over Boone Fork?

It is owned by the County Highway Agency.