US Bridges

KY-1989 over Town Branch

Good

Mercer County, Kentucky · 0.7 MI W of JCT US 127 · Structure no. 084B00050N

Built
2006
19 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
1,054
2022 count
Owner
State
State Highway Agency

About this bridge

KY-1989 over Town Branch is a prestressed concrete box beam or girders - single or spread carrying KY-1989 over Town Branch in Mercer County, Kentucky. It was built in 2006, so it is 19 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 55 ft (16.8 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesKY-1989
CrossesTown Branch
Location0.7 MI W of JCT US 127
RouteState Highway 1989
Coordinates37.77056, -84.85833
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating83.2 US tons
Inventory rating49.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length55 ft (16.8 m)
Longest span50 ft (15.1 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 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 closed1.2 mi (2 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 Town Branch built?

It was built in 2006, making it 19 years old in 2025.

What condition is KY-1989 over Town Branch 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 2024.

How much traffic does KY-1989 over Town Branch carry?

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

How long is KY-1989 over Town Branch?

The structure is 55 ft (16.8 m) long with a longest span of 50 ft (15.1 m) and a deck 35 ft wide.

Who owns KY-1989 over Town Branch?

It is owned by the State Highway Agency.