US Bridges

KY-121X over Red Duck Creek

Good

Graves County, Kentucky · .3 Mi. Sou. Ky 80 · Structure no. 042B00215N

Built
1984
41 years old
Condition
Good
inspected September 2022
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
11,705
2016 count
Owner
State
State Highway Agency

About this bridge

KY-121X over Red Duck Creek is a concrete culvert carrying KY-121X over Red Duck Creek in Graves County, Kentucky. It was built in 1984, so it is 41 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 11,705 vehicles a day, projected to reach 11,705 by 2036. The structure is 23 ft (7 m) long and 50 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesKY-121X
CrossesRed Duck Creek
Location.3 Mi. Sou. Ky 80
RouteState Highway 121
Coordinates36.7375, -88.63472
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width50 ft (15.2 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,705 (2016)
Projected traffic11,705 by 2036
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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-121X over Red Duck Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is KY-121X over Red Duck 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 September 2022.

How much traffic does KY-121X over Red Duck Creek carry?

About 11,705 vehicles per day (2016 count).

How long is KY-121X over Red Duck Creek?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 50 ft wide.

Who owns KY-121X over Red Duck Creek?

It is owned by the State Highway Agency.