US Bridges

KY-1836 over Duncan Creek

FairPosted for load

Marshall County, Kentucky · 1.0 MI Sou. of JCT Ky 80 · Structure no. 079B00044N

Built
1972
53 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
132
2021 count
Owner
State
State Highway Agency

About this bridge

KY-1836 over Duncan Creek is a prestressed concrete box beam or girders - multiple carrying KY-1836 over Duncan Creek in Marshall County, Kentucky. It was built in 1972, so it is 53 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 132 vehicles a day, projected to reach 132 by 2041. The structure is 53 ft (16.2 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesKY-1836
CrossesDuncan Creek
Location1.0 MI Sou. of JCT Ky 80
RouteState Highway 1836
CountyMarshall County
StateKentucky
Coordinates36.75806, -88.44889
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.7 US tons
Inventory rating17.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span50 ft (15.2 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic132 (2021)
Projected traffic132 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of relocation of road
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-1836 over Duncan Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is KY-1836 over Duncan Creek 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 2023.

How much traffic does KY-1836 over Duncan Creek carry?

About 132 vehicles per day (2021 count).

How long is KY-1836 over Duncan Creek?

The structure is 53 ft (16.2 m) long with a longest span of 50 ft (15.2 m) and a deck 24 ft wide.

Who owns KY-1836 over Duncan Creek?

It is owned by the State Highway Agency.