US Bridges

KY-1731 over Unname Stream

Fair

Hickman County, Kentucky · On Waterfield ST N Clinto · Structure no. 053B00077N

Built
1956
69 years old
Condition
Fair
inspected February 2022
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
575
2022 count
Owner
State
State Highway Agency

About this bridge

KY-1731 over Unname Stream is a concrete culvert carrying KY-1731 over Unname Stream in Hickman County, Kentucky. It was built in 1956, so it is 69 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 6 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 575 vehicles a day, projected to reach 575 by 2042. The structure is 26 ft (7.9 m) long and 27 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesKY-1731
CrossesUnname Stream
LocationOn Waterfield ST N Clinto
RouteState Highway 1731
CountyHickman County
StateKentucky
Coordinates36.66917, -88.9925
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length26 ft (7.9 m)
Longest span10 ft (3 m)
Deck width27 ft (8.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic575 (2022)
Projected traffic575 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-1731 over Unname Stream built?

It was built in 1956, making it 69 years old in 2025.

What condition is KY-1731 over Unname Stream 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 February 2022.

How much traffic does KY-1731 over Unname Stream carry?

About 575 vehicles per day (2022 count).

How long is KY-1731 over Unname Stream?

The structure is 26 ft (7.9 m) long with a longest span of 10 ft (3 m) and a deck 27 ft wide.

Who owns KY-1731 over Unname Stream?

It is owned by the State Highway Agency.