US Bridges

KY-464 over Rockhouse Creek

Fair

Calloway County, Kentucky · .55 MI N.W. of JCT US 641 · Structure no. 018B00086N

Built
1968
57 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Concrete
Length
129 ft
3 main spans
Daily traffic
290
2021 count
Owner
State
State Highway Agency

About this bridge

KY-464 over Rockhouse Creek is a concrete tee beam carrying KY-464 over Rockhouse Creek in Calloway County, Kentucky. It was built in 1968, so it is 57 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 290 vehicles a day, projected to reach 290 by 2041. The structure is 129 ft (39.3 m) long and 29 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesKY-464
CrossesRockhouse Creek
Location.55 MI N.W. of JCT US 641
RouteState Highway 464
CountyCalloway County
StateKentucky
Coordinates36.70528, -88.315
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.9 US tons
Inventory rating44.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length129 ft (39.3 m)
Longest span40 ft (12.2 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic290 (2021)
Projected traffic290 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-464 over Rockhouse Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is KY-464 over Rockhouse 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 May 2023.

How much traffic does KY-464 over Rockhouse Creek carry?

About 290 vehicles per day (2021 count).

How long is KY-464 over Rockhouse Creek?

The structure is 129 ft (39.3 m) long with a longest span of 40 ft (12.2 m) and a deck 29 ft wide.

Who owns KY-464 over Rockhouse Creek?

It is owned by the State Highway Agency.