US Bridges

Camp Nathanael RD over Troublesome Crk

FairPosted for load

Knott County, Kentucky · @jct Ky 550 near Emmalena · Structure no. 060C00040N

Built
1935
90 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
66 ft
2 main spans
Daily traffic
55
2010 count
Owner
County
County Highway Agency

About this bridge

Camp Nathanael RD over Troublesome Crk is a steel stringer/multi-beam or girder carrying Camp Nathanael RD over Troublesome Crk in Knott County, Kentucky. It was built in 1935, so it is 90 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 55 vehicles a day, projected to reach 55 by 2030. The structure is 66 ft (20.1 m) long and 12 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesCamp Nathanael RD
CrossesTroublesome Crk
Location@jct Ky 550 near Emmalena
RouteCounty Highway 1623
CountyKnott County
StateKentucky
Coordinates37.33722, -83.0725
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.
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 inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating28.9 US tons
Inventory rating17.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length66 ft (20.1 m)
Longest span29 ft (8.8 m)
Deck width12 ft (3.7 m)
Roadway width10 ft (3.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55 (2010)
Projected traffic55 by 2030
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$118,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Camp Nathanael RD over Troublesome Crk built?

It was built in 1935, making it 90 years old in 2025.

What condition is Camp Nathanael RD over Troublesome Crk 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 June 2024.

How much traffic does Camp Nathanael RD over Troublesome Crk carry?

About 55 vehicles per day (2010 count).

How long is Camp Nathanael RD over Troublesome Crk?

The structure is 66 ft (20.1 m) long with a longest span of 29 ft (8.8 m) and a deck 12 ft wide.

Who owns Camp Nathanael RD over Troublesome Crk?

It is owned by the County Highway Agency.