US Bridges

KY-1786 over Roundstone Creek

Fair

Rockcastle County, Kentucky · .15 MI S.E. of JCT US 25 · Structure no. 102B00049N

Built
1976
49 years old, rebuilt 2010
Condition
Fair
inspected September 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
33 ft
1 main span
Daily traffic
421
2023 count
Owner
State
State Highway Agency

About this bridge

KY-1786 over Roundstone Creek is a prestressed concrete box beam or girders - multiple carrying KY-1786 over Roundstone Creek in Rockcastle County, Kentucky. It was built in 1976 and reconstructed in 2010, so it is 49 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 421 vehicles a day, projected to reach 421 by 2043. The structure is 33 ft (10.1 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesKY-1786
CrossesRoundstone Creek
Location.15 MI S.E. of JCT US 25
RouteState Highway 1786
CountyRockcastle County
StateKentucky
Coordinates37.4375, -84.31611
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75.4 US tons
Inventory rating58.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadGreater than HL 93
Structure length33 ft (10.1 m)
Longest span30 ft (9.2 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic421 (2023)
Projected traffic421 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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-1786 over Roundstone Creek built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 2010.

What condition is KY-1786 over Roundstone 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 2022.

How much traffic does KY-1786 over Roundstone Creek carry?

About 421 vehicles per day (2023 count).

How long is KY-1786 over Roundstone Creek?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.2 m) and a deck 24 ft wide.

Who owns KY-1786 over Roundstone Creek?

It is owned by the State Highway Agency.