US Bridges

KY-1664 over Sputter Branch

Fair

Pulaski County, Kentucky · .90 MI Sou. of JCT Ky 196 · Structure no. 100B00059N

Built
1936
89 years old, rebuilt 1974
Condition
Fair
inspected July 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
447
2022 count
Owner
State
State Highway Agency

About this bridge

KY-1664 over Sputter Branch is a prestressed concrete box beam or girders - multiple carrying KY-1664 over Sputter Branch in Pulaski County, Kentucky. It was built in 1936 and reconstructed in 1974, so it is 89 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 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 447 vehicles a day, projected to reach 447 by 2042. The structure is 32 ft (9.8 m) long and 24 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesKY-1664
CrossesSputter Branch
Location.90 MI Sou. of JCT Ky 196
RouteState Highway 1664
CountyPulaski County
StateKentucky
Coordinates37.05806, -84.80111
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 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 alignment8: Equal to present desirable criteria
Operating rating78.5 US tons
Inventory rating47.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length32 ft (9.8 m)
Longest span28 ft (8.5 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic447 (2022)
Projected traffic447 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$84,000
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-1664 over Sputter Branch built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1974.

What condition is KY-1664 over Sputter Branch 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 July 2022.

How much traffic does KY-1664 over Sputter Branch carry?

About 447 vehicles per day (2022 count).

How long is KY-1664 over Sputter Branch?

The structure is 32 ft (9.8 m) long with a longest span of 28 ft (8.5 m) and a deck 24 ft wide.

Who owns KY-1664 over Sputter Branch?

It is owned by the State Highway Agency.