US Bridges

US-641 over Clarks River

Good

Calloway County, Kentucky · 2.1 Mi. South Ky 121 · Structure no. 018B00106N

Built
1984
41 years old
Condition
Good
inspected May 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
238 ft
3 main spans
Daily traffic
6,834
2022 count
Owner
State
State Highway Agency

About this bridge

US-641 over Clarks River is a prestressed concrete continuous stringer/multi-beam or girder carrying US-641 over Clarks River in Calloway County, Kentucky. It was built in 1984, so it is 41 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 6,834 vehicles a day, roughly 17% of them trucks, projected to reach 6,834 by 2042. The structure is 238 ft (72.5 m) long and 43 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesUS-641
CrossesClarks River
Location2.1 Mi. South Ky 121
RouteU.S. Route 641
Coordinates36.58139, -88.31472
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 inspectionMay 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating39.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length238 ft (72.5 m)
Longest span80 ft (24.4 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,834 (2022)
Projected traffic6,834 by 2042
Trucks17%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
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 Clarks River built?

It was built in 1984, making it 41 years old in 2025.

What condition is US-641 over Clarks 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 May 2021.

How much traffic does US-641 over Clarks River carry?

About 6,834 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is US-641 over Clarks River?

The structure is 238 ft (72.5 m) long with a longest span of 80 ft (24.4 m) and a deck 43 ft wide.

Who owns US-641 over Clarks River?

It is owned by the State Highway Agency.