US Bridges

US-42 over Kentucky River & City ST

PoorPosted for load

Carroll County, Kentucky · .20 MI East of JCT Ky 55 · Structure no. 021B00043N

Built
1952
73 years old
Condition
Poor
inspected June 2024
Type
Truss - Thru
Steel Continuous
Length
1,277 ft
3 main spans
Daily traffic
8,046
2023 count
Owner
State
State Highway Agency

About this bridge

US-42 over Kentucky River & City ST is a steel continuous truss - thru carrying US-42 over Kentucky River & City ST in Carroll County, Kentucky. It was built in 1952, so it is 73 years old, older than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 8,046 vehicles a day, roughly 3% of them trucks, projected to reach 8,046 by 2043. The structure is 1,277 ft (389.2 m) long and 29 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesUS-42
CrossesKentucky River & City ST
Location.20 MI East of JCT Ky 55
RouteU.S. Route 42
Coordinates38.68028, -85.18778
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30.3 US tons
Inventory rating18.1 US tons

Structure

Structure typeTruss - Thru
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+9 approach)
Design loadH 20
Structure length1,277 ft (389.2 m)
Longest span300 ft (91.4 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deck16 ft (4.9 m)

Traffic and service

Average daily traffic8,046 (2023)
Projected traffic8,046 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 statusEligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$4.6 million
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was US-42 over Kentucky River & City ST built?

It was built in 1952, making it 73 years old in 2025.

What condition is US-42 over Kentucky River & City ST in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does US-42 over Kentucky River & City ST carry?

About 8,046 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is US-42 over Kentucky River & City ST?

The structure is 1,277 ft (389.2 m) long with a longest span of 300 ft (91.4 m) and a deck 29 ft wide.

Who owns US-42 over Kentucky River & City ST?

It is owned by the State Highway Agency.