US Bridges

US 42 over Trib to Little Ky River

FairPosted for load

Trimble County, Kentucky · 0.55 MI W of Carroll Cl · Structure no. 112B00005N

Built
1931
94 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
1,493
2023 count
Owner
State
State Highway Agency

About this bridge

US 42 over Trib to Little Ky River is a concrete culvert carrying US 42 over Trib to Little Ky River in Trimble County, Kentucky. It was built in 1931, so it is 94 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. Its operating status is: posted for load restriction.

It carries about 1,493 vehicles a day, roughly 9% of them trucks, projected to reach 1,493 by 2043. The structure is 21 ft (6.4 m) long and 38 ft wide. If it were closed, the detour would be 20.5 mi (33 km).

Location

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CarriesUS 42
CrossesTrib to Little Ky River
Location0.55 MI W of Carroll Cl
RouteU.S. Route 42
CountyTrimble County
StateKentucky
Coordinates38.62361, -85.23833
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating20 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width38 ft (11.6 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,493 (2023)
Projected traffic1,493 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed20.5 mi (33 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 US 42 over Trib to Little Ky River built?

It was built in 1931, making it 94 years old in 2025.

What condition is US 42 over Trib to Little Ky River 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 October 2023.

How much traffic does US 42 over Trib to Little Ky River carry?

About 1,493 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is US 42 over Trib to Little Ky River?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 38 ft wide.

Who owns US 42 over Trib to Little Ky River?

It is owned by the State Highway Agency.