US Bridges

US-641 over Rockhouse Crk Overflow

Good

Calloway County, Kentucky · 1.6 MI Sou. of Marshall C · Structure no. 018B00096R

Built
1976
49 years old
Condition
Good
inspected April 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
106 ft
3 main spans
Daily traffic
5,076
2022 count
Owner
State
State Highway Agency

About this bridge

US-641 over Rockhouse Crk Overflow is a prestressed concrete continuous stringer/multi-beam or girder carrying US-641 over Rockhouse Crk Overflow in Calloway County, Kentucky. It was built in 1976, so it is 49 years old, older 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 5,076 vehicles a day, roughly 15% of them trucks, projected to reach 5,076 by 2042. The structure is 106 ft (32.3 m) long and 44 ft wide.

CarriesUS-641
CrossesRockhouse Crk Overflow
Location1.6 MI Sou. of Marshall C
RouteU.S. Route 641
Coordinates36.72667, -88.29917
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.1 US tons
Inventory rating43.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length106 ft (32.3 m)
Longest span40 ft (12.2 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,076 (2022)
Projected traffic5,076 by 2042
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 US-641 over Rockhouse Crk Overflow built?

It was built in 1976, making it 49 years old in 2025.

What condition is US-641 over Rockhouse Crk Overflow 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 April 2021.

How much traffic does US-641 over Rockhouse Crk Overflow carry?

About 5,076 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is US-641 over Rockhouse Crk Overflow?

The structure is 106 ft (32.3 m) long with a longest span of 40 ft (12.2 m) and a deck 44 ft wide.

Who owns US-641 over Rockhouse Crk Overflow?

It is owned by the State Highway Agency.