US Bridges

US-150 over Salt River

Fair

Boyle County, Kentucky · .6 MI E of JCT Ky 1822 · Structure no. 011B00016N

Built
1964
61 years old
Condition
Fair
inspected October 2022
Type
Tee Beam
Concrete
Length
149 ft
3 main spans
Daily traffic
7,818
2021 count
Owner
State
State Highway Agency

About this bridge

US-150 over Salt River is a concrete tee beam carrying US-150 over Salt River in Boyle County, Kentucky. It was built in 1964, so it is 61 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 7,818 vehicles a day, roughly 16% of them trucks, projected to reach 7,818 by 2041. The structure is 149 ft (45.4 m) long and 36 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesUS-150
CrossesSalt River
Location.6 MI E of JCT Ky 1822
RouteU.S. Route 150
Coordinates37.65056, -84.86306
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.7 US tons
Inventory rating58.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length149 ft (45.4 m)
Longest span50 ft (15.2 m)
Deck width36 ft (11 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,818 (2021)
Projected traffic7,818 by 2041
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US-150 over Salt River built?

It was built in 1964, making it 61 years old in 2025.

What condition is US-150 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 October 2022.

How much traffic does US-150 over Salt River carry?

About 7,818 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is US-150 over Salt River?

The structure is 149 ft (45.4 m) long with a longest span of 50 ft (15.2 m) and a deck 36 ft wide.

Who owns US-150 over Salt River?

It is owned by the State Highway Agency.