US Bridges

KY-458 over Beech Fork of Salt River

Fair

Washington County, Kentucky · 1.0 MI Sou. of JCT Ky 433 · Structure no. 115B00045N

Built
1976
49 years old, rebuilt 2024
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
259 ft
5 main spans
Daily traffic
312
2023 count
Owner
State
State Highway Agency

About this bridge

KY-458 over Beech Fork of Salt River is a prestressed concrete box beam or girders - multiple carrying KY-458 over Beech Fork of Salt River in Washington County, Kentucky. It was built in 1976 and reconstructed in 2024, 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 312 vehicles a day, projected to reach 312 by 2043. The structure is 259 ft (78.9 m) long and 28 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
CarriesKY-458
CrossesBeech Fork of Salt River
Location1.0 MI Sou. of JCT Ky 433
RouteState Highway 458
CountyWashington County
StateKentucky
Coordinates37.82778, -85.25639
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating57.1 US tons
Inventory rating44 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadGreater than HL 93
Structure length259 ft (78.9 m)
Longest span83 ft (25.3 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic312 (2023)
Projected traffic312 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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-458 over Beech Fork of Salt River built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 2024.

What condition is KY-458 over Beech Fork of Salt River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does KY-458 over Beech Fork of Salt River carry?

About 312 vehicles per day (2023 count).

How long is KY-458 over Beech Fork of Salt River?

The structure is 259 ft (78.9 m) long with a longest span of 83 ft (25.3 m) and a deck 28 ft wide.

Who owns KY-458 over Beech Fork of Salt River?

It is owned by the State Highway Agency.