US Bridges

US-68 W over Jackson Purchase Parkway

Good

Marshall County, Kentucky · Wbl .2 MI NW of JCT US641 · Structure no. 079B00001L

Built
1967
58 years old
Condition
Good
inspected July 2023
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
203 ft
2 main spans
Daily traffic
6,759
2019 count
Owner
State
State Highway Agency

About this bridge

US-68 W over Jackson Purchase Parkway is a concrete continuous box beam or girders - single or spread carrying US-68 W over Jackson Purchase Parkway in Marshall County, Kentucky. It was built in 1967, so it is 58 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 6,759 vehicles a day, roughly 13% of them trucks, projected to reach 6,759 by 2039. The structure is 203 ft (62 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS-68 W
CrossesJackson Purchase Parkway
LocationWbl .2 MI NW of JCT US641
RouteU.S. Route 68
Coordinates36.92806, -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.
Last inspectionJuly 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.3 US tons
Inventory rating42.5 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length203 ft (62 m)
Longest span82 ft (25 m)
Deck width35 ft (10.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,759 (2019)
Projected traffic6,759 by 2039
Trucks13%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US-68 W over Jackson Purchase Parkway built?

It was built in 1967, making it 58 years old in 2025.

What condition is US-68 W over Jackson Purchase Parkway 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 July 2023.

How much traffic does US-68 W over Jackson Purchase Parkway carry?

About 6,759 vehicles per day (2019 count), of which roughly 13% are trucks.

How long is US-68 W over Jackson Purchase Parkway?

The structure is 203 ft (62 m) long with a longest span of 82 ft (25 m) and a deck 35 ft wide.

Who owns US-68 W over Jackson Purchase Parkway?

It is owned by the State Highway Agency.