US Bridges

Ky 152 over Salt River

Fair

Mercer County, Kentucky · 1.3 MI W of W-Jct US 68 · Structure no. 084B00010N

Built
1929
96 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete
Length
122 ft
3 main spans
Daily traffic
4,500
2022 count
Owner
State
State Highway Agency

About this bridge

Ky 152 over Salt River is a concrete tee beam carrying Ky 152 over Salt River in Mercer County, Kentucky. It was built in 1929, so it is 96 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 4,500 vehicles a day, roughly 6% of them trucks, projected to reach 4,500 by 2042. The structure is 122 ft (37.2 m) long and 26 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesKy 152
CrossesSalt River
Location1.3 MI W of W-Jct US 68
RouteState Highway 152
CountyMercer County
StateKentucky
Coordinates37.7575, -84.87306
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating58.4 US tons
Inventory rating35.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length122 ft (37.2 m)
Longest span38 ft (11.6 m)
Deck width26 ft (8 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,500 (2022)
Projected traffic4,500 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$402,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Ky 152 over Salt River built?

It was built in 1929, making it 96 years old in 2025.

What condition is Ky 152 over 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 August 2024.

How much traffic does Ky 152 over Salt River carry?

About 4,500 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Ky 152 over Salt River?

The structure is 122 ft (37.2 m) long with a longest span of 38 ft (11.6 m) and a deck 26 ft wide.

Who owns Ky 152 over Salt River?

It is owned by the State Highway Agency.