US Bridges

KY-338 over Gunpowder Creek

FairPosted for load

Boone County, Kentucky · 2.7 MI W of JCT Ky 1925 · Structure no. 008B00028N

Built
1953
72 years old
Condition
Fair
inspected June 2023
Type
Tee Beam
Concrete Continuous
Length
203 ft
3 main spans
Daily traffic
763
2021 count
Owner
State
State Highway Agency

About this bridge

KY-338 over Gunpowder Creek is a concrete continuous tee beam carrying KY-338 over Gunpowder Creek in Boone County, Kentucky. It was built in 1953, so it is 72 years old, older than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 763 vehicles a day, projected to reach 763 by 2041. The structure is 203 ft (61.8 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesKY-338
CrossesGunpowder Creek
Location2.7 MI W of JCT Ky 1925
RouteState Highway 338
CountyBoone County
StateKentucky
Coordinates38.90333, -84.79889
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating28.9 US tons
Inventory rating17.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length203 ft (61.8 m)
Longest span80 ft (24.4 m)
Deck width27 ft (8.1 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic763 (2021)
Projected traffic763 by 2041
Trucks0%
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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-338 over Gunpowder Creek built?

It was built in 1953, making it 72 years old in 2025.

What condition is KY-338 over Gunpowder Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does KY-338 over Gunpowder Creek carry?

About 763 vehicles per day (2021 count).

How long is KY-338 over Gunpowder Creek?

The structure is 203 ft (61.8 m) long with a longest span of 80 ft (24.4 m) and a deck 27 ft wide.

Who owns KY-338 over Gunpowder Creek?

It is owned by the State Highway Agency.