US Bridges

KY-1997 over Willow Branch

FairPosted for load

Campbell County, Kentucky · .6 MI N of JCT Ky 1566 · Structure no. 019B00016N

Built
1974
51 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
273
2023 count
Owner
State
State Highway Agency

About this bridge

KY-1997 over Willow Branch is a prestressed concrete box beam or girders - multiple carrying KY-1997 over Willow Branch in Campbell County, Kentucky. It was built in 1974, so it is 51 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 273 vehicles a day, projected to reach 273 by 2043. The structure is 28 ft (8.5 m) long and 21 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesKY-1997
CrossesWillow Branch
Location.6 MI N of JCT Ky 1566
RouteState Highway 1997
Coordinates38.96889, -84.335
Functional classRural Minor 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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66.6 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length28 ft (8.5 m)
Longest span25 ft (7.6 m)
Deck width21 ft (6.4 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic273 (2023)
Projected traffic273 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$73,000
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-1997 over Willow Branch built?

It was built in 1974, making it 51 years old in 2025.

What condition is KY-1997 over Willow Branch 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 2023.

How much traffic does KY-1997 over Willow Branch carry?

About 273 vehicles per day (2023 count).

How long is KY-1997 over Willow Branch?

The structure is 28 ft (8.5 m) long with a longest span of 25 ft (7.6 m) and a deck 21 ft wide.

Who owns KY-1997 over Willow Branch?

It is owned by the State Highway Agency.