US Bridges

KY-402 over Unnamed Stream

Fair

Marshall County, Kentucky · .70 MI West of JCT Ky 962 · Structure no. 079B00038N

Built
1933
92 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
2,149
2023 count
Owner
State
State Highway Agency

About this bridge

KY-402 over Unnamed Stream is a concrete culvert carrying KY-402 over Unnamed Stream in Marshall County, Kentucky. It was built in 1933, so it is 92 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 2,149 vehicles a day, roughly 11% of them trucks, projected to reach 2,149 by 2043. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 13 mi (21 km).

CarriesKY-402
CrossesUnnamed Stream
Location.70 MI West of JCT Ky 962
RouteState Highway 402
Coordinates36.76861, -88.28667
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,149 (2023)
Projected traffic2,149 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-402 over Unnamed Stream built?

It was built in 1933, making it 92 years old in 2025.

What condition is KY-402 over Unnamed 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 June 2023.

How much traffic does KY-402 over Unnamed Stream carry?

About 2,149 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is KY-402 over Unnamed Stream?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns KY-402 over Unnamed Stream?

It is owned by the State Highway Agency.