US Bridges

KY-79 over Dog Creek

Fair

Grayson County, Kentucky · 3.3 MI S - W Ky Pkwy · Structure no. 043B00092N

Built
1993
32 years old
Condition
Fair
inspected September 2022
Type
Culvert
Steel
Length
21 ft
1 main span
Daily traffic
1,288
2023 count
Owner
State
State Highway Agency

About this bridge

KY-79 over Dog Creek is a steel culvert carrying KY-79 over Dog Creek in Grayson County, Kentucky. It was built in 1993, so it is 32 years old, younger 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 1,288 vehicles a day, roughly 12% of them trucks, projected to reach 1,288 by 2043. The structure is 21 ft (6.4 m) long and 25 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesKY-79
CrossesDog Creek
Location3.3 MI S - W Ky Pkwy
RouteState Highway 79
CountyGrayson County
StateKentucky
Coordinates37.3825, -86.54278
Functional classRural Major 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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width25 ft (7.7 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,288 (2023)
Projected traffic1,288 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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-79 over Dog Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is KY-79 over Dog 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 September 2022.

How much traffic does KY-79 over Dog Creek carry?

About 1,288 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is KY-79 over Dog Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 25 ft wide.

Who owns KY-79 over Dog Creek?

It is owned by the State Highway Agency.