US Bridges

KY-338 over Big Bone Creek

Good

Boone County, Kentucky · 1.7 Mi.W. JCT US 62 · Structure no. 008B00083N

Built
1996
29 years old
Condition
Good
inspected June 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
146 ft
3 main spans
Daily traffic
1,473
2023 count
Owner
State
State Highway Agency

About this bridge

KY-338 over Big Bone Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying KY-338 over Big Bone Creek in Boone County, Kentucky. It was built in 1996, so it is 29 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 1,473 vehicles a day, projected to reach 1,473 by 2043. The structure is 146 ft (44.5 m) long and 41 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesKY-338
CrossesBig Bone Creek
Location1.7 Mi.W. JCT US 62
RouteState Highway 338
CountyBoone County
StateKentucky
Coordinates38.885, -84.72944
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating89.7 US tons
Inventory rating53.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length146 ft (44.5 m)
Longest span60 ft (18.3 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,473 (2023)
Projected traffic1,473 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Big Bone Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is KY-338 over Big Bone Creek 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 Big Bone Creek carry?

About 1,473 vehicles per day (2023 count).

How long is KY-338 over Big Bone Creek?

The structure is 146 ft (44.5 m) long with a longest span of 60 ft (18.3 m) and a deck 41 ft wide.

Who owns KY-338 over Big Bone Creek?

It is owned by the State Highway Agency.