US Bridges

KY-1639 over South Fork Red River

Good

Powell County, Kentucky · 0.05 Mi. S. Ky. 1057 Jct. · Structure no. 099B00095N

Built
2002
23 years old
Condition
Good
inspected November 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
98 ft
1 main span
Daily traffic
342
2023 count
Owner
State
State Highway Agency

About this bridge

KY-1639 over South Fork Red River is a prestressed concrete box beam or girders - multiple carrying KY-1639 over South Fork Red River in Powell County, Kentucky. It was built in 2002, so it is 23 years old, younger than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 342 vehicles a day, projected to reach 342 by 2043. The structure is 98 ft (29.9 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesKY-1639
CrossesSouth Fork Red River
Location0.05 Mi. S. Ky. 1057 Jct.
RouteState Highway 1639
Coordinates37.8, -83.74167
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating109.1 US tons
Inventory rating65.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length98 ft (29.9 m)
Longest span96 ft (29.4 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic342 (2023)
Projected traffic342 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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-1639 over South Fork Red River built?

It was built in 2002, making it 23 years old in 2025.

What condition is KY-1639 over South Fork Red River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2022.

How much traffic does KY-1639 over South Fork Red River carry?

About 342 vehicles per day (2023 count).

How long is KY-1639 over South Fork Red River?

The structure is 98 ft (29.9 m) long with a longest span of 96 ft (29.4 m) and a deck 32 ft wide.

Who owns KY-1639 over South Fork Red River?

It is owned by the State Highway Agency.