US Bridges

Interstate 64 Nc over Big Sandy River

Fair

Boyd County, Kentucky · Wbl @ W.Va. State Line · Structure no. 010B00046L

Built
1998
27 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,115 ft
3 main spans
Daily traffic
11,703
2018 count
Owner
State
State Highway Agency

About this bridge

Interstate 64 Nc over Big Sandy River is a steel continuous stringer/multi-beam or girder carrying Interstate 64 Nc over Big Sandy River in Boyd County, Kentucky. It was built in 1998, so it is 27 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 11,703 vehicles a day, roughly 20% of them trucks, projected to reach 14,511 by 2038. The structure is 1,115 ft (340 m) long and 35 ft wide.

Location

Open in Google Maps
CarriesInterstate 64 Nc
CrossesBig Sandy River
LocationWbl @ W.Va. State Line
RouteInterstate 64
CountyBoyd County
StateKentucky
Coordinates38.38167, -82.59417
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
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 inspectionMay 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 25 or greater
Structure length1,115 ft (340 m)
Longest span228 ft (69.5 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,703 (2018)
Projected traffic14,511 by 2038
Trucks20%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$5.2 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Interstate 64 Nc over Big Sandy River built?

It was built in 1998, making it 27 years old in 2025.

What condition is Interstate 64 Nc over Big Sandy 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 May 2023.

How much traffic does Interstate 64 Nc over Big Sandy River carry?

About 11,703 vehicles per day (2018 count), of which roughly 20% are trucks.

How long is Interstate 64 Nc over Big Sandy River?

The structure is 1,115 ft (340 m) long with a longest span of 228 ft (69.5 m) and a deck 35 ft wide.

Who owns Interstate 64 Nc over Big Sandy River?

It is owned by the State Highway Agency.