US Bridges

I-65 over Ky 100

Fair

Simpson County, Kentucky · 5.97 MI N of State Line · Structure no. 107B00047N

Built
2008
17 years old
Condition
Fair
inspected July 2021
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
263 ft
3 main spans
Daily traffic
56,578
2023 count
Owner
State
State Highway Agency

About this bridge

I-65 over Ky 100 is a steel continuous stringer/multi-beam or girder carrying I-65 over Ky 100 in Simpson County, Kentucky. It was built in 2008, so it is 17 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 56,578 vehicles a day, roughly 30% of them trucks, projected to reach 70,156 by 2043. The structure is 263 ft (80.3 m) long and 130 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesI-65
CrossesKy 100
Location5.97 MI N of State Line
RouteInterstate 65
CountySimpson County
StateKentucky
Coordinates36.71611, -86.52167
Functional classRural 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating40.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length263 ft (80.3 m)
Longest span146 ft (44.5 m)
Deck width130 ft (39.5 m)
Roadway width124 ft (37.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic56,578 (2023)
Projected traffic70,156 by 2043
Trucks30%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-65 over Ky 100 built?

It was built in 2008, making it 17 years old in 2025.

What condition is I-65 over Ky 100 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 July 2021.

How much traffic does I-65 over Ky 100 carry?

About 56,578 vehicles per day (2023 count), of which roughly 30% are trucks.

How long is I-65 over Ky 100?

The structure is 263 ft (80.3 m) long with a longest span of 146 ft (44.5 m) and a deck 130 ft wide.

Who owns I-65 over Ky 100?

It is owned by the State Highway Agency.