US Bridges

Big Doubles Br over Little Carr Fork

Fair

Knott County, Kentucky · 0.04 MI E of JCT Ky 1410 · Structure no. 060C00032N

Built
1940
85 years old, rebuilt 2024
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
1 main span
Daily traffic
129
2010 count
Owner
County
County Highway Agency

About this bridge

Big Doubles Br over Little Carr Fork is a steel stringer/multi-beam or girder carrying Big Doubles Br over Little Carr Fork in Knott County, Kentucky. It was built in 1940 and reconstructed in 2024, so it is 85 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.

It carries about 129 vehicles a day, projected to reach 129 by 2030. The structure is 28 ft (8.6 m) long and 15 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesBig Doubles Br
CrossesLittle Carr Fork
Location0.04 MI E of JCT Ky 1410
RouteCounty Highway 1141
CountyKnott County
StateKentucky
Coordinates37.24222, -82.91056
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating110 US tons
Inventory rating103.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length28 ft (8.6 m)
Longest span27 ft (8.2 m)
Deck width15 ft (4.6 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic129 (2010)
Projected traffic129 by 2030
Trucks0%
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$43,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Big Doubles Br over Little Carr Fork built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 2024.

What condition is Big Doubles Br over Little Carr 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 July 2024.

How much traffic does Big Doubles Br over Little Carr Fork carry?

About 129 vehicles per day (2010 count).

How long is Big Doubles Br over Little Carr Fork?

The structure is 28 ft (8.6 m) long with a longest span of 27 ft (8.2 m) and a deck 15 ft wide.

Who owns Big Doubles Br over Little Carr Fork?

It is owned by the County Highway Agency.