US Bridges

I-75 over Laurel River

Good

Laurel County, Kentucky · 1.5 Mile N of US25 Ntrc · Structure no. 063B00125N

Built
2020
5 years old
Condition
Good
inspected June 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
483 ft
3 main spans
Daily traffic
42,462
2018 count
Owner
State
State Highway Agency

About this bridge

I-75 over Laurel River is a steel continuous stringer/multi-beam or girder carrying I-75 over Laurel River in Laurel County, Kentucky. It was built in 2020, so it is 5 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 42,462 vehicles a day, roughly 27% of them trucks, projected to reach 52,652 by 2038. The structure is 483 ft (147.2 m) long and 128 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesI-75
CrossesLaurel River
Location1.5 Mile N of US25 Ntrc
RouteInterstate 75
CountyLaurel County
StateKentucky
Coordinates37.00167, -84.10583
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.1 US tons
Inventory rating49.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length483 ft (147.2 m)
Longest span200 ft (61 m)
Deck width128 ft (39 m)
Roadway width122 ft (37.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,462 (2018)
Projected traffic52,652 by 2038
Trucks27%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-75 over Laurel River built?

It was built in 2020, making it 5 years old in 2025.

What condition is I-75 over Laurel River 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 2022.

How much traffic does I-75 over Laurel River carry?

About 42,462 vehicles per day (2018 count), of which roughly 27% are trucks.

How long is I-75 over Laurel River?

The structure is 483 ft (147.2 m) long with a longest span of 200 ft (61 m) and a deck 128 ft wide.

Who owns I-75 over Laurel River?

It is owned by the State Highway Agency.