US Bridges

Sycamore Lane over Troublesome Creek

PoorPosted for load

Knott County, Kentucky · .01 M W of JCT KY-500 · Structure no. 060C00129N

Built
1980
45 years old
Condition
Poor
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
101 ft
4 main spans
Daily traffic
210
2024 count
Owner
County
County Highway Agency

About this bridge

Sycamore Lane over Troublesome Creek is a steel stringer/multi-beam or girder carrying Sycamore Lane over Troublesome Creek in Knott 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 210 vehicles a day, projected to reach 256 by 2044. The structure is 101 ft (30.8 m) long and 12 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesSycamore Lane
CrossesTroublesome Creek
Location.01 M W of JCT KY-500
RouteCounty Highway 1705
CountyKnott County
StateKentucky
Coordinates37.33972, -83.04611
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating21.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length101 ft (30.8 m)
Longest span30 ft (9.2 m)
Deck width12 ft (3.7 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2024)
Projected traffic256 by 2044
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Sycamore Lane over Troublesome Creek built?

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

What condition is Sycamore Lane over Troublesome Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does Sycamore Lane over Troublesome Creek carry?

About 210 vehicles per day (2024 count).

How long is Sycamore Lane over Troublesome Creek?

The structure is 101 ft (30.8 m) long with a longest span of 30 ft (9.2 m) and a deck 12 ft wide.

Who owns Sycamore Lane over Troublesome Creek?

It is owned by the County Highway Agency.