US Bridges

Interstate 64 over Tygarts Creek

Fair

Carter County, Kentucky · .50 MI West of US 60 Ntrc · Structure no. 022B00095L

Built
1969
56 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
418 ft
3 main spans
Daily traffic
6,672
2023 count
Owner
State
State Highway Agency

About this bridge

Interstate 64 over Tygarts Creek is a steel continuous stringer/multi-beam or girder carrying Interstate 64 over Tygarts Creek in Carter County, Kentucky. It was built in 1969, so it is 56 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 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 6,672 vehicles a day, roughly 26% of them trucks, projected to reach 8,273 by 2043. The structure is 418 ft (127.4 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesInterstate 64
CrossesTygarts Creek
Location.50 MI West of US 60 Ntrc
RouteInterstate 64
CountyCarter County
StateKentucky
Coordinates38.32611, -83.12833
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
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 rating42.8 US tons
Inventory rating25.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+1 approach)
Design loadHS 20
Structure length418 ft (127.4 m)
Longest span158 ft (48.2 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,672 (2023)
Projected traffic8,273 by 2043
Trucks26%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Interstate 64 over Tygarts Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is Interstate 64 over Tygarts 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 March 2024.

How much traffic does Interstate 64 over Tygarts Creek carry?

About 6,672 vehicles per day (2023 count), of which roughly 26% are trucks.

How long is Interstate 64 over Tygarts Creek?

The structure is 418 ft (127.4 m) long with a longest span of 158 ft (48.2 m) and a deck 33 ft wide.

Who owns Interstate 64 over Tygarts Creek?

It is owned by the State Highway Agency.