US Bridges

KY-1523 over Slough

Good

Marshall County, Kentucky · .10 MI Nor. of JCT Ky 282 · Structure no. 079B00091N

Built
1954
71 years old
Condition
Good
inspected June 2021
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
1,274
2023 count
Owner
State
State Highway Agency

About this bridge

KY-1523 over Slough is a concrete culvert carrying KY-1523 over Slough in Marshall County, Kentucky. It was built in 1954, so it is 71 years old, older than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,274 vehicles a day, roughly 14% of them trucks, projected to reach 1,274 by 2043. The structure is 23 ft (7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesKY-1523
CrossesSlough
Location.10 MI Nor. of JCT Ky 282
RouteState Highway 1523
CountyMarshall County
StateKentucky
Coordinates37.03556, -88.32333
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating44 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length23 ft (7 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 traffic1,274 (2023)
Projected traffic1,274 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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-1523 over Slough built?

It was built in 1954, making it 71 years old in 2025.

What condition is KY-1523 over Slough in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2021.

How much traffic does KY-1523 over Slough carry?

About 1,274 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is KY-1523 over Slough?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns KY-1523 over Slough?

It is owned by the State Highway Agency.