US Bridges

US-42 over S. Fk Gunpowder Creek

Good

Boone County, Kentucky · .02 Mi. SW Ky 237 · Structure no. 008B00070N

Built
1987
38 years old, rebuilt 2011
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
85 ft
1 main span
Daily traffic
28,500
2023 count
Owner
State
State Highway Agency

About this bridge

US-42 over S. Fk Gunpowder Creek is a prestressed concrete stringer/multi-beam or girder carrying US-42 over S. Fk Gunpowder Creek in Boone County, Kentucky. It was built in 1987 and reconstructed in 2011, so it is 38 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 28,500 vehicles a day, roughly 3% of them trucks, projected to reach 28,500 by 2043. The structure is 85 ft (25.9 m) long and 108 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesUS-42
CrossesS. Fk Gunpowder Creek
Location.02 Mi. SW Ky 237
RouteU.S. Route 42
Coordinates38.97222, -84.66306
Functional classUrban Minor Arterial

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 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating65.7 US tons
Inventory rating50.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length85 ft (25.9 m)
Longest span80 ft (24.4 m)
Deck width108 ft (32.9 m)
Roadway width94 ft (28.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,500 (2023)
Projected traffic28,500 by 2043
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 US-42 over S. Fk Gunpowder Creek built?

It was built in 1987, making it 38 years old in 2025. It was reconstructed in 2011.

What condition is US-42 over S. Fk Gunpowder 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 2023.

How much traffic does US-42 over S. Fk Gunpowder Creek carry?

About 28,500 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is US-42 over S. Fk Gunpowder Creek?

The structure is 85 ft (25.9 m) long with a longest span of 80 ft (24.4 m) and a deck 108 ft wide.

Who owns US-42 over S. Fk Gunpowder Creek?

It is owned by the State Highway Agency.