US Bridges

I-75 Nc over Lynn Camp Creek

Fair

Whitley County, Kentucky · Sbl on Laurel-Whitley Cl · Structure no. 118B00063L

Built
1968
57 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
525 ft
3 main spans
Daily traffic
22,282
2023 count
Owner
State
State Highway Agency

About this bridge

I-75 Nc over Lynn Camp Creek is a steel continuous stringer/multi-beam or girder carrying I-75 Nc over Lynn Camp Creek in Whitley County, Kentucky. It was built in 1968, so it is 57 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 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 22,282 vehicles a day, roughly 23% of them trucks, projected to reach 24,510 by 2043. The structure is 525 ft (160.1 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-75 Nc
CrossesLynn Camp Creek
LocationSbl on Laurel-Whitley Cl
RouteInterstate 75
CountyWhitley County
StateKentucky
Coordinates36.96417, -84.115
Functional classUrban Principal Arterial - Interstate

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating67.8 US tons
Inventory rating40.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length525 ft (160.1 m)
Longest span200 ft (61 m)
Deck width35 ft (10.6 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,282 (2023)
Projected traffic24,510 by 2043
Trucks23%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-75 Nc over Lynn Camp Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is I-75 Nc over Lynn Camp 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 March 2023.

How much traffic does I-75 Nc over Lynn Camp Creek carry?

About 22,282 vehicles per day (2023 count), of which roughly 23% are trucks.

How long is I-75 Nc over Lynn Camp Creek?

The structure is 525 ft (160.1 m) long with a longest span of 200 ft (61 m) and a deck 35 ft wide.

Who owns I-75 Nc over Lynn Camp Creek?

It is owned by the State Highway Agency.