US Bridges

KY-408 over Wilson Creek

Good

Graves County, Kentucky · .16 Mi.E. JCT Ky 945 · Structure no. 042B00254N

Built
1998
27 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
824
2022 count
Owner
State
State Highway Agency

About this bridge

KY-408 over Wilson Creek is a prestressed concrete stringer/multi-beam or girder carrying KY-408 over Wilson Creek in Graves County, Kentucky. It was built in 1998, so it is 27 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 824 vehicles a day, projected to reach 824 by 2042. The structure is 70 ft (21.3 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesKY-408
CrossesWilson Creek
Location.16 Mi.E. JCT Ky 945
RouteState Highway 408
Coordinates36.85528, -88.72667
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.4 US tons
Inventory rating54.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length70 ft (21.3 m)
Longest span67 ft (20.3 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic824 (2022)
Projected traffic824 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 KY-408 over Wilson Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is KY-408 over Wilson Creek 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 August 2024.

How much traffic does KY-408 over Wilson Creek carry?

About 824 vehicles per day (2022 count).

How long is KY-408 over Wilson Creek?

The structure is 70 ft (21.3 m) long with a longest span of 67 ft (20.3 m) and a deck 29 ft wide.

Who owns KY-408 over Wilson Creek?

It is owned by the State Highway Agency.