US Bridges

KY-1989 over Salt River

Good

Mercer County, Kentucky · 1.6 Mi.W JCT US 127 · Structure no. 084B00040N

Built
1994
31 years old
Condition
Good
inspected August 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
100 ft
1 main span
Daily traffic
1,054
2022 count
Owner
State
State Highway Agency

About this bridge

KY-1989 over Salt River is a prestressed concrete stringer/multi-beam or girder carrying KY-1989 over Salt River in Mercer County, Kentucky. It was built in 1994, so it is 31 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 1,054 vehicles a day, projected to reach 1,054 by 2042. The structure is 100 ft (30.5 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesKY-1989
CrossesSalt River
Location1.6 Mi.W JCT US 127
RouteState Highway 1989
Coordinates37.7725, -84.87528
Functional classRural Minor Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110 US tons
Inventory rating66.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length100 ft (30.5 m)
Longest span98 ft (29.9 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,054 (2022)
Projected traffic1,054 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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-1989 over Salt River built?

It was built in 1994, making it 31 years old in 2025.

What condition is KY-1989 over Salt River 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 2022.

How much traffic does KY-1989 over Salt River carry?

About 1,054 vehicles per day (2022 count).

How long is KY-1989 over Salt River?

The structure is 100 ft (30.5 m) long with a longest span of 98 ft (29.9 m) and a deck 31 ft wide.

Who owns KY-1989 over Salt River?

It is owned by the State Highway Agency.