US Bridges

US 127B over NS (cno&tp) System

Fair

Boyle County, Kentucky · .20 MI South of JCT 37 · Structure no. 011B00038L

Built
1971
54 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
508 ft
7 main spans
Daily traffic
12,002
2023 count
Owner
State
State Highway Agency

About this bridge

US 127B over NS (cno&tp) System is a steel stringer/multi-beam or girder carrying US 127B over NS (cno&tp) System in Boyle County, Kentucky. It was built in 1971, so it is 54 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 12,002 vehicles a day, roughly 16% of them trucks, projected to reach 12,002 by 2043. The structure is 508 ft (154.8 m) long and 48 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS 127B
CrossesNS (cno&tp) System
Location.20 MI South of JCT 37
RouteU.S. Route 127
CountyBoyle County
StateKentucky
Coordinates37.61806, -84.79194
Functional classUrban Other Principal Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating63.6 US tons
Inventory rating38.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length508 ft (154.8 m)
Longest span67 ft (20.5 m)
Deck width48 ft (14.6 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,002 (2023)
Projected traffic12,002 by 2043
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 127B over NS (cno&tp) System built?

It was built in 1971, making it 54 years old in 2025.

What condition is US 127B over NS (cno&tp) System 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 2024.

How much traffic does US 127B over NS (cno&tp) System carry?

About 12,002 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is US 127B over NS (cno&tp) System?

The structure is 508 ft (154.8 m) long with a longest span of 67 ft (20.5 m) and a deck 48 ft wide.

Who owns US 127B over NS (cno&tp) System?

It is owned by the State Highway Agency.