US Bridges

US-150 over Negro Creek

Fair

Rockcastle County, Kentucky · 75 East JCT Ky 70 · Structure no. 102B00066N

Built
2011
14 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
269 ft
3 main spans
Daily traffic
7,523
2022 count
Owner
State
State Highway Agency

About this bridge

US-150 over Negro Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying US-150 over Negro Creek in Rockcastle County, Kentucky. It was built in 2011, so it is 14 years old, younger 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.

It carries about 7,523 vehicles a day, roughly 13% of them trucks, projected to reach 7,523 by 2042. The structure is 269 ft (81.9 m) long and 45 ft wide. If it were closed, the detour would be 73.9 mi (119 km).

CarriesUS-150
CrossesNegro Creek
Location75 East JCT Ky 70
RouteU.S. Route 150
Coordinates37.37944, -84.41472
Functional classRural Minor 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.8 US tons
Inventory rating66.2 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length269 ft (81.9 m)
Longest span105 ft (32 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,523 (2022)
Projected traffic7,523 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed73.9 mi (119 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US-150 over Negro Creek built?

It was built in 2011, making it 14 years old in 2025.

What condition is US-150 over Negro Creek 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 September 2024.

How much traffic does US-150 over Negro Creek carry?

About 7,523 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is US-150 over Negro Creek?

The structure is 269 ft (81.9 m) long with a longest span of 105 ft (32 m) and a deck 45 ft wide.

Who owns US-150 over Negro Creek?

It is owned by the State Highway Agency.