US Bridges

KY-842 over NS (cno&tp) System

PoorPosted for load

Boone County, Kentucky · 0.2 MI E. of US-25 · Structure no. 008B00092N

Built
1982
43 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
178 ft
1 main span
Daily traffic
9,286
2021 count
Owner
State
State Highway Agency

About this bridge

KY-842 over NS (cno&tp) System is a steel stringer/multi-beam or girder carrying KY-842 over NS (cno&tp) System in Boone County, Kentucky. It was built in 1982, so it is 43 years old, younger 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 4 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 9,286 vehicles a day, roughly 4% of them trucks, projected to reach 9,286 by 2041. The structure is 178 ft (54.3 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesKY-842
CrossesNS (cno&tp) System
Location0.2 MI E. of US-25
RouteState Highway 842
CountyBoone County
StateKentucky
Coordinates38.96861, -84.61278
Functional classUrban Minor Arterial

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating21.7 US tons
Inventory rating14.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1 (+6 approach)
Design loadHS 20
Structure length178 ft (54.3 m)
Longest span53 ft (16.2 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,286 (2021)
Projected traffic9,286 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was KY-842 over NS (cno&tp) System built?

It was built in 1982, making it 43 years old in 2025.

What condition is KY-842 over NS (cno&tp) System 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 KY-842 over NS (cno&tp) System carry?

About 9,286 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is KY-842 over NS (cno&tp) System?

The structure is 178 ft (54.3 m) long with a longest span of 53 ft (16.2 m) and a deck 26 ft wide.

Who owns KY-842 over NS (cno&tp) System?

It is owned by the State Highway Agency.