US Bridges

KY-338 over Allen Fork

Good

Boone County, Kentucky · .2 Mi. S JCT Ky 18 · Structure no. 008B00086N

Built
2000
25 years old
Condition
Good
inspected June 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
2,576
2022 count
Owner
State
State Highway Agency

About this bridge

KY-338 over Allen Fork is a prestressed concrete box beam or girders - multiple carrying KY-338 over Allen Fork in Boone County, Kentucky. It was built in 2000, so it is 25 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 2,576 vehicles a day, roughly 13% of them trucks, projected to reach 2,576 by 2042. The structure is 49 ft (14.9 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesKY-338
CrossesAllen Fork
Location.2 Mi. S JCT Ky 18
RouteState Highway 338
CountyBoone County
StateKentucky
Coordinates39.0225, -84.72417
Functional classUrban 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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating74.4 US tons
Inventory rating44.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length49 ft (14.9 m)
Longest span46 ft (14 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,576 (2022)
Projected traffic2,576 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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-338 over Allen Fork built?

It was built in 2000, making it 25 years old in 2025.

What condition is KY-338 over Allen 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 2021.

How much traffic does KY-338 over Allen Fork carry?

About 2,576 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is KY-338 over Allen Fork?

The structure is 49 ft (14.9 m) long with a longest span of 46 ft (14 m) and a deck 28 ft wide.

Who owns KY-338 over Allen Fork?

It is owned by the State Highway Agency.