US Bridges

779 over Cumberland River

Fair

Whitley County, Kentucky · .75 Mile West of 11 South · Structure no. 118B00122N

Built
2009
16 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
274 ft
3 main spans
Daily traffic
351
2021 count
Owner
State
State Highway Agency

About this bridge

779 over Cumberland River is a prestressed concrete continuous stringer/multi-beam or girder carrying 779 over Cumberland River in Whitley County, Kentucky. It was built in 2009, so it is 16 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 5 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 351 vehicles a day, projected to reach 351 by 2041. The structure is 274 ft (83.5 m) long and 29 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
Carries779
CrossesCumberland River
Location.75 Mile West of 11 South
RouteState Highway 779
CountyWhitley County
StateKentucky
Coordinates36.75556, -83.98722
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
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 inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating106.3 US tons
Inventory rating63.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length274 ft (83.5 m)
Longest span92 ft (28 m)
Deck width29 ft (8.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic351 (2021)
Projected traffic351 by 2041
Trucks0%
Lanes on structure2
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 779 over Cumberland River built?

It was built in 2009, making it 16 years old in 2025.

What condition is 779 over Cumberland River 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 February 2023.

How much traffic does 779 over Cumberland River carry?

About 351 vehicles per day (2021 count).

How long is 779 over Cumberland River?

The structure is 274 ft (83.5 m) long with a longest span of 92 ft (28 m) and a deck 29 ft wide.

Who owns 779 over Cumberland River?

It is owned by the State Highway Agency.