US Bridges

KY-994 over Unname Stream

Fair

Graves County, Kentucky · .05 MI Nor. of JCT Ky 306 · Structure no. 042B00119N

Built
1956
69 years old
Condition
Fair
inspected August 2022
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
374
2023 count
Owner
State
State Highway Agency

About this bridge

KY-994 over Unname Stream is a concrete culvert carrying KY-994 over Unname Stream in Graves County, Kentucky. It was built in 1956, so it is 69 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 374 vehicles a day, projected to reach 374 by 2043. The structure is 24 ft (7.4 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesKY-994
CrossesUnname Stream
Location.05 MI Nor. of JCT Ky 306
RouteState Highway 994
CountyGraves County
StateKentucky
Coordinates36.93, -88.61111
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length24 ft (7.4 m)
Longest span11 ft (3.5 m)
Deck width31 ft (9.4 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic374 (2023)
Projected traffic374 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 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-994 over Unname Stream built?

It was built in 1956, making it 69 years old in 2025.

What condition is KY-994 over Unname Stream 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 August 2022.

How much traffic does KY-994 over Unname Stream carry?

About 374 vehicles per day (2023 count).

How long is KY-994 over Unname Stream?

The structure is 24 ft (7.4 m) long with a longest span of 11 ft (3.5 m) and a deck 31 ft wide.

Who owns KY-994 over Unname Stream?

It is owned by the State Highway Agency.