US Bridges

KY-1797 over Crooked Creek

FairPosted for load

Rockcastle County, Kentucky · 3.2 MI S. of JCT Ky 1912 · Structure no. 102B00050N

Built
1980
45 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
93
2023 count
Owner
State
State Highway Agency

About this bridge

KY-1797 over Crooked Creek is a prestressed concrete box beam or girders - multiple carrying KY-1797 over Crooked Creek in Rockcastle County, Kentucky. It was built in 1980, so it is 45 years old, younger 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 93 vehicles a day, projected to reach 93 by 2043. The structure is 30 ft (9.1 m) long and 24 ft wide. If it were closed, the detour would be 100 mi (161 km).

Location

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CarriesKY-1797
CrossesCrooked Creek
Location3.2 MI S. of JCT Ky 1912
RouteState Highway 1797
CountyRockcastle County
StateKentucky
Coordinates37.4125, -84.19389
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating54.2 US tons
Inventory rating32.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span27 ft (8.2 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic93 (2023)
Projected traffic93 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 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$90,000
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-1797 over Crooked Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is KY-1797 over Crooked Creek 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 September 2024.

How much traffic does KY-1797 over Crooked Creek carry?

About 93 vehicles per day (2023 count).

How long is KY-1797 over Crooked Creek?

The structure is 30 ft (9.1 m) long with a longest span of 27 ft (8.2 m) and a deck 24 ft wide.

Who owns KY-1797 over Crooked Creek?

It is owned by the State Highway Agency.