US Bridges

Nunn Switch RD over Caney Fork

FairPosted for load

Crittenden County, Kentucky · 3 MI SE of Jct. US 60 · Structure no. 028C00008N

Built
1974
51 years old, rebuilt 2016
Condition
Fair
inspected March 2024
Type
Channel Beam
Concrete
Length
32 ft
1 main span
Daily traffic
113
2006 count
Owner
County
County Highway Agency

About this bridge

Nunn Switch RD over Caney Fork is a concrete channel beam carrying Nunn Switch RD over Caney Fork in Crittenden County, Kentucky. It was built in 1974 and reconstructed in 2016, so it is 51 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 113 vehicles a day, projected to reach 124 by 2026. The structure is 32 ft (9.8 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesNunn Switch RD
CrossesCaney Fork
Location3 MI SE of Jct. US 60
RouteCounty Highway 1046
CountyCrittenden County
StateKentucky
Coordinates37.41722, -87.96139
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating20.9 US tons
Inventory rating12.5 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span30 ft (9.1 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic113 (2006)
Projected traffic124 by 2026
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Nunn Switch RD over Caney Fork built?

It was built in 1974, making it 51 years old in 2025. It was reconstructed in 2016.

What condition is Nunn Switch RD over Caney 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 March 2024.

How much traffic does Nunn Switch RD over Caney Fork carry?

About 113 vehicles per day (2006 count).

How long is Nunn Switch RD over Caney Fork?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m) and a deck 24 ft wide.

Who owns Nunn Switch RD over Caney Fork?

It is owned by the County Highway Agency.