US Bridges

US-641 over Clarks River

Good

Marshall County, Kentucky · .60 MI Nor of JCT Ky 348 · Structure no. 079B00127N

Built
1986
39 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
398 ft
4 main spans
Daily traffic
8,869
2021 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 Marshall County, Kentucky. It was built in 1986, so it is 39 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 8,869 vehicles a day, roughly 6% of them trucks, projected to reach 8,869 by 2041. The structure is 398 ft (121.2 m) long and 43 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesUS-641
CrossesClarks River
Location.60 MI Nor of JCT Ky 348
RouteU.S. Route 641
Coordinates36.87361, -88.34639
Functional classRural Minor Arterial

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 inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating65.1 US tons
Inventory rating39 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length398 ft (121.2 m)
Longest span100 ft (30.5 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,869 (2021)
Projected traffic8,869 by 2041
Trucks6%
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 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 1986, making it 39 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 June 2024.

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

About 8,869 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is US-641 over Clarks River?

The structure is 398 ft (121.2 m) long with a longest span of 100 ft (30.5 m) and a deck 43 ft wide.

Who owns US-641 over Clarks River?

It is owned by the State Highway Agency.