US Bridges

Sycamore ST over Boone Fork

FairPosted for load

Rockcastle County, Kentucky · 200 West JCT Ky 1505 · Structure no. 102C00056N

Built
1970
55 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
38 ft
1 main span
Daily traffic
361
2019 count
Owner
County
County Highway Agency

About this bridge

Sycamore ST over Boone Fork is a steel stringer/multi-beam or girder carrying Sycamore ST over Boone Fork in Rockcastle County, Kentucky. It was built in 1970, so it is 55 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 361 vehicles a day, projected to reach 361 by 2039. The structure is 38 ft (11.6 m) long and 16 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesSycamore ST
CrossesBoone Fork
Location200 West JCT Ky 1505
RouteCity Street 2028
CountyRockcastle County
StateKentucky
Coordinates37.40333, -84.4125
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJanuary 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41.7 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span36 ft (10.9 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic361 (2019)
Projected traffic361 by 2039
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sycamore ST over Boone Fork built?

It was built in 1970, making it 55 years old in 2025.

What condition is Sycamore ST over Boone Fork 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 January 2023.

How much traffic does Sycamore ST over Boone Fork carry?

About 361 vehicles per day (2019 count).

How long is Sycamore ST over Boone Fork?

The structure is 38 ft (11.6 m) long with a longest span of 36 ft (10.9 m) and a deck 16 ft wide.

Who owns Sycamore ST over Boone Fork?

It is owned by the County Highway Agency.