US Bridges

KY-402 over Unnamed Stream

Fair

Marshall County, Kentucky · .40 MI West of JCT Ky 962 · Structure no. 079B00039N

Built
1933
92 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Concrete
Length
332 ft
10 main spans
Daily traffic
2,149
2023 count
Owner
State
State Highway Agency

About this bridge

KY-402 over Unnamed Stream is a concrete tee beam 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 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 2,149 vehicles a day, roughly 11% of them trucks, projected to reach 2,149 by 2043. The structure is 332 ft (101.2 m) long and 27 ft wide. If it were closed, the detour would be 29.2 mi (47 km).

CarriesKY-402
CrossesUnnamed Stream
Location.40 MI West of JCT Ky 962
RouteState Highway 402
Coordinates36.76889, -88.28222
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.3 US tons
Inventory rating44 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans10
Design loadH 20
Structure length332 ft (101.2 m)
Longest span30 ft (9.1 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 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 closed29.2 mi (47 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.1 million
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 2024.

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 332 ft (101.2 m) long with a longest span of 30 ft (9.1 m) and a deck 27 ft wide.

Who owns KY-402 over Unnamed Stream?

It is owned by the State Highway Agency.