US Bridges

Jackson Pke over Salt River

FairPosted for load

Mercer County, Kentucky · 2.1 MI W of JCT US 127 · Structure no. 084C00001N

Built
1950
75 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete
Length
129 ft
3 main spans
Daily traffic
398
2022 count
Owner
County
County Highway Agency

About this bridge

Jackson Pke over Salt River is a concrete tee beam carrying Jackson Pke over Salt River in Mercer County, Kentucky. It was built in 1950, so it is 75 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 398 vehicles a day, projected to reach 398 by 2042. The structure is 129 ft (39.3 m) long and 22 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesJackson Pke
CrossesSalt River
Location2.1 MI W of JCT US 127
RouteCounty Highway 1001
CountyMercer County
StateKentucky
Coordinates37.82556, -84.88583
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 alignment6: Equal to present minimum criteria
Operating rating41.4 US tons
Inventory rating24.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length129 ft (39.3 m)
Longest span43 ft (13 m)
Deck width22 ft (6.7 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic398 (2022)
Projected traffic398 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$356,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Jackson Pke over Salt River built?

It was built in 1950, making it 75 years old in 2025.

What condition is Jackson Pke 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 July 2024.

How much traffic does Jackson Pke over Salt River carry?

About 398 vehicles per day (2022 count).

How long is Jackson Pke over Salt River?

The structure is 129 ft (39.3 m) long with a longest span of 43 ft (13 m) and a deck 22 ft wide.

Who owns Jackson Pke over Salt River?

It is owned by the County Highway Agency.